JPH05265278A - Automatic document feeding device - Google Patents

Abstract

PURPOSE:To make an automatic document feeding device compact and heighten its reliability by moving a document placing base intermittently, and conveying documents out of the document placing base in the process of this intermittent movement. CONSTITUTION:Documents are placed appropriately at random on each bin 37 and picked up from the bin 37 by a pick-up roller so as to be conveyed onto the image forming device side by carrier rollers from the feed-discharge rollers 83, 84 of a paper feed/discharge part through a sheet carrier path 135. At this time, the bin 37 intermittently moves describing the locus specified by a spiral groove 145 and a guide groove 141 according to the rotation of a helical wheel 137. The bin 37 to be the feed object is stopped in a document feed position preset by a CPU, that is, in a position opposed to a feed/discharge port 136, and the documents are conveyed out by the pick-up roller and the feed/discharge rollers 83, 84 from that position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic document feeder which is attached to an image forming apparatus and automatically feeds an original to the image forming apparatus to perform a predetermined process such as exposure.

[0002]

2. Description of the Related Art For example, in an image forming apparatus such as a copying machine,
It may be necessary to process multiple documents of multiple types. In such a process, a plurality of document placing tables are provided for efficient processing, and different types of documents are placed on the document placing tables so that copying can be sequentially performed. is there.

One example of this is the automatic document feeder disclosed in Japanese Patent Laid-Open No. 63-82249. This automatic document feeder is provided with a plurality of document mounting tables and configured to be movable, and further provided with a document mounting table moving means for moving these document mounting tables to a predetermined position. When the document is moved to a predetermined position, the document supply port and the document discharge port are located between the one document placing table and the back surface of another document placing table adjacent to the one document placing table. Has been done.

As another example, JP-A-61-2525
There is a copying apparatus disclosed in Japanese Patent Laid-Open No. 64. This copying apparatus has a plurality of document placing tables for placing documents to be copied, a feeding device for feeding the documents one by one from an arbitrary document placing table, and an instruction reservation of a copy condition for each arbitrary document placing table. In a copying machine having an instruction input unit capable of performing the above, when one or more originals are placed on each original placing table, a single copying condition is given, and a command from the number of originals in the reserved set is input, All the originals are copied under the same copying conditions.

[0005]

In the former prior art, by using the rack and pinion, the original placing table is moved to the original feeding position, and the inclination of the original placing table and the original placing table are changed. Using the recycling stopper provided on the most downstream side of the document transport direction, align the documents at the stopper position,
The document is configured to be conveyed from the document placing table by a sheet feeding roller having a half-moon shape in cross section. However, in this configuration, the mechanism for moving the document placing table is complicated, the apparatus is large, and the mechanism is complicated. However, it cannot be denied that reliability is reduced.

Further, in the latter prior art, a plurality of document placing tables are moved to the document feeding position by using a spiral cam, and the document is placed by the feeding rollers provided in each document placing table. Although it is configured to be conveyed from the setting table, since each original setting table must be provided with a feeding roller, the apparatus becomes complicated and large in size, and similarly, there is a problem in reliability.

The present invention has been made in view of the above prior art, and an object thereof is to provide a small-sized and highly reliable automatic document feeder.

[0008]

In order to achieve the above object, the first means is to sequentially and intermittently form an original placing table composed of a plurality of steps on which different originals can be placed simultaneously and each step of the original placing table. Document placing table moving means for moving, document placing table driving means for driving the document placing table moving means, and document feeding position in which one stage which is intermittently moved during document feeding is preset. Drive control means of the document placing table driving means to be stopped at, and document feeding means for carrying out the document from the one stage of the document placing table stopped at a preset document feeding position and feeding it to the image forming apparatus side. It is configured with and.

The second means causes the original placing table moving means to intermittently move each stage of the original placing table up and down,
Further, at the preset document feeding position, there is provided a moving position setting means for widening the interval between the adjacent steps and moving it to the document feeding means side.

Further, the third means is a manuscript mounting table composed of a plurality of stages on which different manuscripts can be simultaneously mounted, manuscript mounting table moving means for intermittently moving each stage of the manuscript mounting table, and manuscript mounting table movement. Original placing table driving means for driving the means, driving control means for the original placing table driving means for stopping one stage of the original placing table which is intermittently moved at the time of feeding the original at a preset original feeding position, The document feeding unit configured to feed the document from the one stage of the document placing table stopped at the set document feeding position and feeds the document to the image forming apparatus side, and the document feeding unit as an image. An original feeding unit attaching means detachably attached to the main body of the forming apparatus, an original feeding unit for feeding the original fed by the original feeding unit to a preset position of the image forming apparatus, and It has a configuration that includes a document conveyance unit mounting means for mounting the document transport unit openably with respect to the image forming main body.

[0011]

According to the first means, the document is arbitrarily placed on each stage of the document placing table, and is fed to the image forming apparatus side by the document feeding means. At that time, the respective stages of the document placing table are sequentially and intermittently moved by the document placing table moving means, and one of the stages to be fed is stopped at the document feeding position preset by the drive control means. To do. Then, from that position, it is carried out by a document feeding means provided separately from the document placing table, and fed to the image forming apparatus side.

Further, according to the second means, the moving position setting means widens the space between the stage to be fed of the document placing table and at least the upper stage adjacent to this stage, and the document is fed. It is possible to easily carry out an original placed on the original placing table by the original feeding means in proximity to the means side.

According to the third means, the document is arbitrarily placed on each stage of the document placing table and is fed to the document feeding unit side by the document feeding means. At that time, the respective stages of the document placing table are sequentially and intermittently moved by the document placing table moving means, and one of the stages to be fed is stopped at the document feeding position preset by the drive control means. To do. Then, from that position, it is carried out by a document feeding means provided separately from the document placing table and fed to the document conveying unit side. The document conveying unit conveys the document received from the document feeding unit to a preset position such as an exposure position of the image forming apparatus. The document feeding unit can be removed according to the user's request, and the document feeding unit can be opened / closed to perform document processing according to the mode of use.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

Since the description of the embodiment is given for each item, each item will be shown before starting the detailed description for easy understanding.

1. Overall configuration of copier 2. Finisher 2.1 Schematic configuration 2.2 Sorter section 2.2.1 Paper feeding / discharging section 2.2.2 Pickup roller mechanism 2.2.3 Pickup roller retracting mechanism 2.2.4 Pickup roller contacting / separating mechanism 2 2.5 Drive mechanism for pickup roller 2.2.6 Drive mechanism for bin stopper 2.2.7 Bin drive mechanism 2.2.8 Paper feed / discharge operation by pickup roller 2.2.8.1 During transfer paper discharge Operation 2.2.8.2 Operation during document ejection 2.2.8.3 Operation during document feeding 2.2.9 Document reversing unit 2.2.9.1 General mechanism of document reversing unit 2.2 9.2 Reversing operation of document fed from bin 2.2.9.3 Operation of ejecting document ejected from document feeder to bin 2.3 Staple unit 2.3.1 Mechanism of staple unit 2.3.2 Operation of staple unit 2.3.3 Jogger Mechanism of the fence 2.3.4 operation of the jogger fence 3. Document Feeding Device 3.1 Schematic Structure of Document Feeding Device 3.2 Document Feeding Driving Mechanism 3.3 Switching Claw Driving Mechanism 3.4 Jogger Fence Driving Mechanism 3.5 Shifting Roller Pressing Mechanism 3.6 Locking Mechanism of Document Feeding Device 4. Flow of transfer paper 4.1 Normal copy 4.2 Front side copy in double-sided copy mode 4.3 Sort mode and stack mode 4.4 Staple mode 4.4.1 Stacking on staple tray 4.4. 2 When ejecting from the staple tray 5. Document Flow 5.1 Single-sided Document Mode 5.1.1 Document Feeding 5.1.2 Document Ejection 5.2 Double-sided Document Mode 5.2.1 Document Feeding 5.2.2 Document Reversal 5 2.2.3 During document ejection 5.3 Document number counting mode 5.4 Document transport from finisher to document feeder 5.5 Document transport from document feeder to finisher 6. 6. Control circuit 6.1 Control circuit of copy machine main body 6.2 Control circuit of finisher 6.3 Control circuit of document feeder (RDH) 7. Control and operation 7.1 Control items 7.2 Key input check 7.3 Stapler check 7.4 Sort MAX check when inputting the number of numbers 7.5 Stack MAX check when inputting the number of numbers 7.6 After counting the number of originals MAX check of 7.7 RDH / finisher connection check 7.8 Document feeding from finisher to RDH 7.9 Document feeding end process 7.10 Document number counting process 7.11 Copy job start process 7.12 Finisher bin , Tray transfer paper discharge count processing 7.13 Staple operation execution processing 7.14 Staple operation end processing 7.15 Document discharge processing 7.16 Document discharge end processing 7.17 Setting reservation mode 8. Control related to the document feeder 8.1 Checking whether the document feeder is lifted up 8.2 Checking whether a document is present at the paper feeding position of the document feeder 8.3 Clear processing by lift-up 4 Multi-job support processing 8.5 Sheet drop and misalignment prevention processing 8.6 Original number counting processing 8.7 Feed-in processing and feed-out processing 8.8 Operation timing of original supply device 8.9 Original size detection processing 8 .10. Jogger home return process 8.11 Jogging standby process of jogger 8.12 Jogging process of document 8.13 Document feeding process from document feeder to finisher 8.14 Before document feeding from finisher to document feeder Processing 8.15 Processing for feeding a document from the finisher to the document feeding device 9. Control related to finisher 9.1 Initial processing 9.2 Motor ON processing 9.3 Jogger home return processing 9.4 Jogger fence standby processing 9.5 Jogging processing on staple tray 9.6 Staple processing 9.7 Transfer path switching processing 9.8 Bin Operation 9.9 Process for Transporting Document from Finisher Side to Document Feeder Side 9.10 Process for Discharging Document from Document Feeder Side to Finisher Side Hereinafter, each item will be described in detail.

1. Overall Configuration of Copying Machine FIG. 1 is a schematic configuration diagram showing an internal structure of the copying machine according to the embodiment. In the figure, the copying machine 1 includes a copying machine body 3 and
A paper feeding device 5 for feeding a transfer sheet to the copying machine main body 3, a document feeding device 9 for feeding a document onto the contact glass 7 of the copying machine body 3, a document is placed, and the exposed document is sorted. A finisher 11 for storing and sorting and storing the transfer paper after the image formation is schematically configured.

In the main body 1 of the copying machine, a known optical system 13,
An image forming system 15, a transfer paper conveying system 17, a fixing system 19, a reversing mechanism 21 for reversing the transfer paper, an intermediate tray 23 for forming images on both sides of the transfer paper, and the like are provided.

The paper feeding device 5 is provided in the lower portion of the copying machine main body 1, and the transfer paper introducing port 2 provided in the bottom surface of the copying machine main body 1.
Transfer paper is introduced from 5, and is transferred to a predetermined position by the transfer paper transfer system 17 in the copying machine main body 3 to be processed. A plurality of sheet feeding cassettes 27 are set in the sheet feeding device 5 (four stages can be set in this embodiment), and the sheet feeding cassette 27 is conveyed upward along a conveying path 29 on the side of the sheet feeding device. To be done. Further, a mounting port 31 for the sheet feeding cassette 27 is also provided on the side surface side of the copying machine body 3, and a transfer sheet having a size different from that of the transfer sheet set in the sheet feeding device 5 by mounting an arbitrary sheet feeding cassette 27. Is set to be able to supply.

2. Finisher 2.1 General Mechanism Next, the general mechanism of the finisher 11 will be described.

As shown in FIG. 2, the finisher 11 is composed of two parts, a sorter part 33 and a staple part 35. The sorter unit 33 includes a plurality of stages of bins 37 and a copy (proof) tray 39 for accumulating transfer sheets on which images have been formed.
And feeding and discharging the bin 37 to the document feeder 9 and discharging the exposed document discharged from the document feeder 9 and the image-formed transfer sheet discharged from the fixing system 19 to the bin 37 side. And a document reversing unit 4 for reversing the document.
4, a document transport path 45 between the bin 37 side and the document feeder 9, a first transfer sheet transport path 47 for discharging the transfer sheet from the fixing system 19 to the bin 37, and a copy tray from the fixing system 19. Mainly composed of a second transfer paper transport path 49 for discharging the transfer paper to 39, and a third transfer paper transport path 51 for transporting the transfer paper from the second transfer paper transport path 49 to the staple unit 35 side. Has been done.

The stapling section 35 introduces a transfer sheet from the third transfer sheet conveying path 51 and staples it.
3, a staple tray 55 having a staple unit 53 on the lower end side, a paper discharge stocker 57 for stocking the stapled transfer paper, and a discharge guide plate 59 for discharging the stapled transfer paper to the paper discharge stocker 57. It is mainly composed. The staple tray 55 also includes a jogger fence 61, a stopper 63, and a twist roller 6.
5 are provided.

2.2 Sorter Section 2.2.1 Paper Feeding / Discharging Section The paper feeding / discharging section 41 is, as shown in FIGS. Pin 71 that engages with the formed engagement groove 69
A pickup arm 75 having a pickup roller 73 at one end and a pickup roller 73 at the other end.
A pickup roller drive shaft 9 to be described later, which is provided substantially in the center of the
9 through the engagement groove 78, a retreat lever 79, a pickup solenoid 81 for swinging the pickup lever 67 with respect to the support shaft 68, and a pair of sheet feeding / discharging rollers provided at one end of the sheet conveying path 135. 83, 84 and a bin stopper 85 provided below the paper feeding / discharging roller 84
A bin stopper solenoid 87 for driving the bin stopper 85; a first switching pawl 89 for switching between the document transport path 45 and the first transport path 47 following the sheet transport path 135;
A support pin 91 for swingably supporting the retract lever 79,
The retraction solenoid 93 drives the swing lever 91.

2.2.2 Pickup Roller Mechanism The pickup roller mechanism is provided with a pickup roller driving gear 95 and a pickup roller driving pulley 97 at both ends, as shown in the plan view of the main part of FIG.
Between the front side plate 109 and the rear side plate 111 of the bearing 113,
A pickup roller driving shaft 99 which is rotatably supported via 115, a rotation shaft 107 which is rotatably supported between the pickup arms 75 and has a pickup roller driven pulley 101 at one end, and a pickup roller driving idler 105. And a driving force transmitted by the pickup roller driving gear 95, and the driving force transmitted by the pickup roller driving gear 95 is rotatably attached to the rotating shaft 107 via the belt 103 stretched between the pickup roller driving pulley 97 and the driven pulley 101. It is designed to drive 73.

2.2.3 Retracting Mechanism of Pickup Roller As can be seen from FIGS. 3 and 9, the pickup roller 73 enters the space between the bins 37 when picking up a document, which is an obstacle to the movement of the bin. .. Therefore, bin 37
Of the transfer paper or the originals (when picking up) when the transfer of the
It is necessary to evacuate. Therefore, the retract lever 7 described above is used.
9 and a retreat solenoid 93 are provided.

In this mechanism, the retract solenoid 93 is turned on.
Then, the retracting lever 79 moves from the state of FIG. 9 to the support pin 9
It rotates in the counterclockwise direction about 1 (in the CCW direction in FIG. 9), thereby moving the pickup arm 75 in the counterclockwise direction as well. By this movement, the pin 71 erected at one end of the pickup arm 75 moves along the engaging groove 69 of the pickup lever 67, and the pickup arm 75 engages with the engaging groove 78 of the retract lever 79. A triangular shape formed between 99, the pin 71 and the support pin 91 is defined and retracted to a position as shown in FIG. By this retracting operation, the pickup roller 73 is retracted from between the bins 37. During this retracting operation, the pickup roller drive gear 95 provided on the pickup roller drive shaft 99 separates from the pickup roller drive idler 105.

On the other hand, when the pickup roller 73 is returned from the retracted state, the retract solenoid 93 is turned off.
When it is set to F, the return spring 117 causes the retracting lever 79 to move clockwise around the support pin 91 (see arrow C in FIG. 8).
It rotates in the (W direction), and as a result, the pickup arm 75
Also, the pickup roller 73 is returned to the original position between the bins 37 by being guided by the engagement groove 69 in the clockwise direction, and at the same time, the pickup roller driving gear 95 meshes with the pickup roller driving idler 105 to rotate the pickup roller 73. Enable (Figure 8). In this retracting and returning operation, the bearing 1
13 is an opening 11 of the front side plate 109 of the sorter shown in FIG.
9, the position at the sheet feeding position (reference numeral SF in FIG. 10) and the position at the retract position (reference numeral SB) in FIG.
And is moved (the bearing 115 similarly moves to an opening (not shown) of the rear side plate 111). Also,
The pin 71 moves up and down in the thick part of the opening 119 (reference numeral UD in FIG. 10). Note that this opening 119
The shape of the sheet feeding position FF is set so that the meshing state between the pickup roller driving gear 95 and the pickup roller driving idler 105 can be maintained by regulating the bearing 113 in the vertical direction.

2.2.4 Pickup Roller Contact and Separation Mechanism When feeding from the bin 37, the pickup roller 73 is brought into contact with the document or the transfer sheet stacked on the bin 37, and the pickup roller 73 is driven to drive the bin. Pull out from 37. Therefore, the pickup roller 73 has to be brought into contact with or separated from the original document / transfer sheet on the bin 37 as required.

In this mechanism, the pickup arm 75 is swung with respect to the support shaft 68 by the pickup lever 67 so that the pickup arm 75 is brought into contact with and separated from the spindle 68. That is, when the pickup solenoid 81 is turned on, the pickup lever 6
7 rotates clockwise in FIG. 11 (direction RCW in FIG. 11), and the pin 71 of the pickup lever 75 moves counterclockwise with respect to the pickup roller drive shaft 99 (arrow ACC in FIG. 11).
Rotate in the W direction). As a result, the pickup roller 73 is urged toward the bin 37 side (RP in the figure), and presses a sheet such as a document or a transfer sheet on the bin 37. When the pickup roller 73 rotates while being pressurized as described above, the sheet can be discharged from the bin 37.

When the pickup roller 73 is separated from the seat and the pickup solenoid 87 is turned off, the elastic biasing force of the return spring 121 causes the pickup lever 67 to rotate counterclockwise with respect to the support shaft 68, and in response thereto. The pickup arm 75 rotates clockwise with respect to the pickup roller drive shaft 99, and the pickup roller 73 separates from the seat (RD in the figure).

2.2.5 Drive Mechanism of Pickup Roller The pickup roller 73 obtains a driving force from the rotation of the paper feed roller 83 above the paper feed rollers 83 and 84. That is, when the upper paper feed roller 83 rotates, the paper feed roller 8
3, the pickup roller driving idler 105 rotating on the surface 3 rotates, and the pickup roller driving gear 95 meshing with the pickup roller driving idler 105 rotates. The sheet can be discharged from the bin 37 by rotating the pickup roller 73 in the arrow PU direction in FIG. 11 via the pickup roller driven pulley 101 and the rotating shaft 107.

2.2.6 Bin Stopper Drive Mechanism The bin stopper 85 is used to open and close the bin fence 123. The bin fence 123 allows the front end of the sheet placed on the bin 37 to move to the bin 37. It is for regulation at the outlet. Bin fence 123 is bin 37
It is laid down when the sheet is taken out from it, and is controlled to stand at other times. Bottle stopper 8
5 is swingably supported with respect to a swing fulcrum 125, a bin solenoid 87 is connected to one end through a return spring 127, a rising portion 131 is formed at the other end, and the tip thereof is substantially perpendicular to the rising portion 131. A bent contact portion 133 is formed. The bin fence 123 is always elastically urged in the standing direction to support the spindle 12.
9 is swingably supported.

With such a structure, when the bin solenoid 87 is turned on, the bin stopper 85 rotates in the counterclockwise direction (arrow BSCCW direction) with respect to the swing fulcrum 125 in FIG. By this rotation, the abutting portion 133 causes the rear side plate 11 to move.
Go inward from 1. On the other hand, the bin fence 123 part of the bin 37 that has risen contacts the abutting part 133 that has advanced, but since the bin 37 itself further rises, it falls down in the clockwise direction (arrow BFCW direction) as shown in FIG. ,
The paper feeding operation is not disturbed.

When the bin solenoid 87 is turned off, the bin stopper 85 pivots clockwise with respect to the swing fulcrum 125, and the contact portion 133 of the bin stopper 85 retracts from the rear side plate 111 to release the regulation of the bin fence 123. To do. As a result, the bin fence 123 stands up, regulates the position of the sheet on the bin 37, and prevents the sheet from falling.

2.2.7 Bin Drive Mechanism The sheet transport path 13 including the paper feed / discharge rollers 83 and 84, to which the document transport path 45 and the first transfer paper transport path 47 are connected.
Since 5 is one and is fixed, as described above, the bin 37 is moved to feed the sheet from the bin 37,
In addition, a bin 37 that discharges sheets into the bin 37
Drive mechanism is required.

As shown in FIGS. 14 and 15, this mechanism has a guide groove 14 formed in the side plates 109 and 111 of the helical wheel 137, the bin holder 139, and the sorter 33.
1. Bottle drive shaft 14 loosely fitted in the guide groove 141
3 and a drive motor for the helical wheel 137 (not shown). The helical wheel 137 is a known one having a spiral groove 145 formed on the outer periphery thereof, and the end portion 147 of the bin drive shaft 143 can be movably engaged as shown in FIG.

In such a mechanism, the helical wheel 1
When 37 is rotated by the drive motor, the bin 37 corresponding to the spiral groove 145 formed in the helical wheel 137 is formed.
The end portion 147 of the bin drive shaft 143 is guided by the spiral groove 145 to move the bin drive shaft 143 up and down. In response to this, the bottle 37 also moves up and down. The bin drive shaft 143 is the side plate 1
Since the guide grooves 141 of 09 and 111 are also loosely fitted, the trajectory of elevation is defined by the guide grooves 141. As can be seen from FIGS. 14 and 16, the guide groove 141 is set so that the stop position is different between when the paper is discharged to the bin 37 and when the paper is fed from the bin 37. That is, the paper discharge position is the position of PIN in FIG. 14, and while the helical wheel 137 makes one rotation from the paper discharge position PIN, it rises to the standby position PWAIT via the paper supply position POUT. Further, the bin holder 139 is adapted to hold the drive shaft 143 into the spiral groove 145 of the helical wheel 137 by lifting the bin group from below as shown in FIG. 16 when the bin 37 is raised. .

2.2.8 Paper Feeding and Ejecting Operation by Pickup Roller When a sheet is fed and ejected by the pickup roller mechanism, the pickup roller retracting mechanism, the pickup roller driving mechanism, the bin driving mechanism and the like configured as described above. The operation will be described below.

In the sort / stack mode, the sorter 33 discharges the transfer sheet, and in the multi-stage ADF mode, each bin 37 serves as a document set table, and the document is largely fed and discharged. It is a feature.
In this sorter 33, when the transfer paper and the original are discharged, the transfer paper is discharged to the bin 37 by the paper supply / discharge rollers 83 and 84 as in the conventional apparatus. On the other hand, when the original is fed, the bin 3 is moved by the pickup unit including the pickup roller 73 and the pickup arm 75 for feeding.
The document is picked up from 7 and fed. This is partially described above, but will be described in detail below.

2.2.8.1 Operation During Discharge of Transfer Paper FIG. 4 is a front view of the essential parts showing the operation during discharge of the transfer paper. In the figure, the pickup roller 73 is in the retracted state by the retract lever 79, and the bin fence 123 is standing by in a standing state because the bin stopper solenoid 87 is OFF. The transfer sheet PR is transferred from the first transfer sheet conveying path 47 to the sheet conveying path 1 along the switching claw 89 which is switched to the lower side.
35, and the paper is discharged from the paper supply / discharge port 136 onto the bin 37 by the paper supply / discharge rollers 83 and 84 with the image forming surface facing upward. The position of the bin 37 at this time is the position of the PIN described above.

2.2.8.2 Operation during Document Ejection FIG. 5 is a front view of the essential parts showing the operation during document ejection. This state is the same as that of FIG. 4 except that the direction of the switching claw 89 is different. The original document OL is conveyed along the original document conveyance path 45, passes along the switching claw 89 from the sheet conveyance path 135 through the paper supply / ejection rollers 83, 84, and is placed on the bin 37 from the paper supply / ejection port 136 with the copy surface facing upward. Is discharged to.

2.2.8.3 Operation During Document Feeding FIG. 6 is a front view of the essential parts showing the operation during document feeding. In the state of this paper feeding, as described above, the retract solenoid 93
Is turned off and the retracting lever is rotated clockwise to set the pickup roller 73 between the bins 37. At this time, the bin stopper solenoid 87 is ON, the bin stopper 85 is rotated, and the contact portion 133 is lowered. As a result, the bin fence 123 is tilted as shown in the figure. Further, the first switching claw 89 is at the upper position and is switched to the side of the document transport path 45.

In this state, when the motor (not shown) rotates, the upper paper feeding / discharging roller 83 rotates, and this rotation causes the pickup roller 73 to rotate in the direction of the arrow in the figure as described above (solid line position in FIG. 6). On the other hand, the lower paper feeding / discharging roller 84 remains stopped, and has a function of a separation roller at the time of feeding a document. The original document OL is set in the bin 37 with the copy surface facing downward. When the pickup solenoid 81 is turned on with the original document OL set, the pickup lever 67 causes the support shaft 6 to move as described above.
8, the pickup arm 75 rotates clockwise, and the pickup arm 75 rotates counterclockwise about the pickup roller drive shaft 99 as a fulcrum so that the pickup roller 73 comes into pressure contact with the uppermost document OL. At this time, the pickup roller 73 is rotating in the direction of the arrow shown in the drawing as described above, so that the uppermost document OL
Are pulled out in the direction of the paper feeding / discharging rollers 83 and 84, and are separated one by one by the action of the lower paper feeding / discharging roller 84. It is transported to 45.

The lower paper feeding / discharging roller 84 is a roller having a built-in one-way clutch. When the document OL and the transfer paper PR are discharged to the bin 37, the upper paper feeding / discharging roller 8 is used.
3 and rotate counterclockwise to place the original OL in bin 3
It is configured to be locked when picked up from 7, and to exhibit the function of the above-mentioned separation roller.

2.2.9 Document Reversing Unit 2.2.9.1 Schematic Mechanism of Document Reversing Unit The document reversing unit 44 is the document feeding device 9 (in this case, RDH).
Since it is a circulation type document feeding device, the document feeding device 9 will be appropriately referred to as an RDH 9 hereinafter), and is set so as to invert the document.
Shows the schematic configuration.

In FIG. 17, the document reversing section 44 is a reversing return roller 14 provided so as to sandwich the reversing guide plate 43.
9 and a contact / separation roller 15 that contacts the reversal return roller 149.
1, the contact / separation roller drive arm 153 for performing the contact / separation operation of the contact / separation roller 151, and the reversal conveyance path 155 provided so as to bypass between the document conveyance path 45 and the reversal guide plate 43.
A second switching pawl 157 for switching the transportation path between the reversal transportation path 155 and the reversal guide plate 43, and a switching claw drive lever 159 for switching the second switching claw 157.
A reversing solenoid 161, which swings and drives the contact / separation roller driving arm 153 and the switching claw driving lever 159, a return spring 162, a document conveying path 45, and a reversing conveying path 155.
And a third switching claw 163 for switching the transport path between
And a fourth switching claw 167 for switching the transportation path between the RHD-side transportation path 165 of the reversing guide plate 43 and the document transportation path 45, and the third and fourth switching claws 165, 167. The switching claw drive solenoid 169 and the feed / discharge port 17 of the conveyance path 165 that continues to the RHD 9 side of the reversing guide plate 43.
1 and a sheet feeding / discharging roller 173 provided adjacent to the sheet feeding apparatus.

With this configuration, the original OL placed face down on the bin 37 is inverted to make the copy surface upward,
Correctly sent to RDH9. The inversion operation will be described below.

2.2.9.2 Reversal Operation of Documents Feeded from Bin Bin The original document OL picked up by the pick-up roller 73 from the bin 37 enters the document feed path 45 and is fed upward as described above. . At this time, the switching pawl drive solenoid 169 and the reversing solenoid 161 are both OF
At F, the reversing solenoid 161 is returned to the initial position by the return spring 162. As a result, the respective parts of the document reversing unit 44 are in the state shown in FIG. 17 and the two-dot chain line in FIG. The contact / separation roller 151 is rotated to retract from the reversing guide plate 43, the second switching pawl 157 is switched downward, the reversing conveyance path 155 is opened, and the switching pawl drive solenoid 169 is turned off. As a result, the third switching claw 163 moves counterclockwise with respect to the support shaft 177, and
The fourth switching claw 167 rotates in the clockwise direction with respect to the support shaft 179, the third switching claw 163 communicates the document transport path 45 and the reverse transport path 155, and the fourth switching claw 167 drives the reverse guide plate. 43 and the supply / discharge port 171 are in communication with each other. In this state, when the document OL is conveyed upward, it is deflected from the document conveyance path 45 to the reverse conveyance path 155 by the third switching claw 163, and the conveyance roller 8 is moved.
The leading edge of the document OL is conveyed by 6 in the leftward direction (arrow OLLF in FIG. 18) in the figure of the reverse guide plate 43.
Then, when the rear end of the document OL passes through the second switching claw 157, the reversing solenoid 161 is turned on. As a result, the contact / separation roller drive arm 153 and the switching claw drive lever 159 rotate clockwise about the support shafts 174 and 175 as a fulcrum, and the contact / separation roller 14 is reversed as shown in FIG.
9 is pressed against the document OL, and the second switching claw 15 is pressed.
7 is switched to the upper direction to close the reverse conveyance path 155,
The conveyance path 165 on the reverse guide plate 43 is opened. At this time, since the reverse return roller 149 is constantly rotating in the arrow RRCW direction, the original force OL starts to move to the right due to the conveying force.

When the leading edge of the original document OL passes the transport roller 86, the reversing solenoid 161 is turned off, and the next original document O is read.
Prepare for L's entry. On the other hand, the reversed original OL is conveyed rightward on the reverse guide plate 43 by the conveying roller 86 rotating in the direction of the arrow even if the driving force of the reverse returning roller 149 is lost, and is conveyed from the sorter 33 side to the RDH 9 side. The paper is supplied to the RDH 9 side from the discharge port 171 by the paper feed / discharge roller 173 that rotates in the transport direction.

2.2.9.3 Discharging Operation of Original Documents Ejected from Original Document Feeder to Bin Bin The original document OL discharged from the RDH 9 to the sorter 33 side is transferred from the RDH 9 side to the sorter 33 side. It is introduced into the transport path 165 by the paper feed / discharge rollers 173 that rotate in the transport direction. At this time, as can be seen from FIG. 20, the switching claw solenoid 169 is turned on, the fourth switching claw 167 is counterclockwise about the support shaft 179, and the third switching claw 163 is supported by the support shaft 177. Respectively, the fourth switching claw 167 communicates the conveying path 165 and the document conveying path 45, and the third switching claw 163 causes the document conveying path 4 to rotate.
Open 5. As a result, the original document OL is transferred to the original document conveyance path 45.
5 is conveyed downward along the sheet conveyance path 135 from FIG.
In this state, it is discharged onto the bottle 37. At this time, the document OL
Is ejected with the copy side facing up, so when the sheets are stacked in the bin 37, the original document before copying and the original document already copied can be seen at a glance.

2.3 Mechanism of Staple Section 2.3.1 Staple Section Mechanism As shown in FIGS. 21 and 22, the staple section 35 includes a staple unit 53 and a staple tray 55.
Jogger fence 185 that is provided so as to be movable in parallel along the bottom plate 187 of the same, a jogger motor 189 that drives the jogger fence 185, and the above-described third transport path 51.
A pair of paper discharge rollers 197 provided upstream of the transfer paper discharge port 193 of the entrance guide plate 191 in the transfer paper transport direction,
A stopper 63 rotatably provided at the end of the bottom plate 187 below the transfer paper discharge port 193, and the stopper 63.
And a stopper solenoid 195 for swinging and driving the transfer paper PR accumulated on the staple tray 55.
And a moving roller 199 that moves the moving roller 199 toward and away from the transfer paper PR.
1 and a discharge roller 203 having a half-moon-shaped cross section that is provided so as to face the shifting roller 199, and a downstream side of the stopper 63 in the transfer paper bundle discharge direction, and the discharged transfer paper bundle is almost discharged in the discharge stocker 57 direction. It is mainly composed of a discharge guide plate 59 for deflecting and sending 180 degrees.

The approach roller 199 is supported by the approach roller arm 205 so as to be swingable coaxially with the rotation axis of the paper discharge roller pair 197, and is driven to swing by the approach roller solenoid 201. The approach roller 199 is pressed against the bottom plate 187 by the ON operation of the approach roller solenoid 201. The stopper 63 is swingably supported coaxially with the rotation shaft of the discharge roller 203, and is swingably driven by a stopper solenoid 195. Stopper 63
21 is in the solid line position in FIG. 21 when the stopper solenoid 195 is OFF, prohibits discharge of the transfer paper PR from the staple tray 55, and when ON, retracts to the two-dot chain line position to discharge the transfer paper PR bundle. Is what makes it possible. It is to be noted that the return springs 207 and 209 are set to return to the initial position when both the approach roller solenoid 201 and the stopper solenoid 195 are OFF.

2.3.2 Operation of Staple Unit In the staple unit constructed as described above, the sorter unit 3 is used.
The transfer paper PR sent from the third sheet to the staple 35 side through the third conveyance path 51 further passes through the inlet guide plate 191, and is discharged by the sheet discharge roller pair 197 by the staple tray 55.
It is discharged inside and accumulated. At this time, the stopper solenoid 201 is OFF, and the approach roller arm 20
5, the shifting roller 199 is in the standby state as shown by the solid line and is rotating in the direction of the arrow in the figure. Further, the stopper solenoid 195 is also OFF, and the stopper 63 is also in the stop position shown by the solid line as described above.

In this state, when the trailing edge of the transfer sheet PR passes through the pair of discharge rollers 197, the shifting roller solenoid 201 is turned off.
Then, the rear end of the transfer paper PR is abutted against the stopper 63 by the shifting roller 199. At the same time, the jogger fence is driven to align the transfer sheets PR on the bottom plate 187. The details of this paper alignment operation will be described later.

The discharge roller 203 is formed in a half-moon shape as described above, and when the transfer paper PR is discharged onto the staple tray 55, the cut-out planar portion 211 becomes parallel to the bottom plate 187 and the surface of the bottom plate 187. Since it has retreated from
It does not hinder the discharge of the transfer sheet PR to the staple tray 55.

In this way, a plurality of transfer sheets P are stacked.
The R bundle is stapled at the upper left corner by a known stapler to form a single bundle. When the stapling is completed and the bundle is formed in this manner, the stopper solenoid 195 is turned on and the stopper 63 is set to the position shown in FIG.
It rotates to the two-dot chain line positions 1 and 22. At the same time, the paper feed clutch (not shown) is turned on, the discharge roller 203 is rotated, and the shift roller solenoid 201 is also turned on so that the shift roller 199 presses the transfer sheet PR against the discharge roller 203.
As a result, as shown in FIG.
Along the discharge guide plate 59 and is discharged to the paper discharge stocker 57 along the discharge guide plate 59.

2.3.3 Mechanism of Jogger Fence The jogger fence 185 comprises front and rear jogger fences 185f and 185b, as shown in FIG.
The driving forces of the front and rear 189f and 189b of the jogger motor are transmitted to the gears 213f and 213b, respectively, and the jogger motors are driven through the gears 213f and 213b. The home position sensors 215f and 215f are provided at the home position positions of the front and rear 185f and 185b of the jogger fence.
5b is provided, front and rear 185f, 1 of the jogger fence
The home position of 85b is detected.

2.3.4 Operation of Jogger Fence FIGS. 24 to 26 are explanatory views showing the operation of the jogger fence 185. As shown in FIG. 24, when the copying operation is started, the jogger fence 185 is moved to a position 5 mm larger than the size of the transfer paper PR.
It is moved by driving 9 (position in FIG. 24 [A]). However, in the case of A3 and A4 landscape, the jogger fence 185 does not move because the home position [B position] is set to a position 5 mm larger than the paper size. Of these jogger fences 185, the rear jogger fence 185b moves 10 mm to the front side to align the papers each time the transfer paper PR is ejected, as shown in FIG. Return.

When copying is completed, as shown in FIG. 26, the jogger fence 185 moves from the F position where the sheets are aligned to the staple position (E position). This staple position is the same as the home position for the front jogger fence 185f. In the case of repeat copy, after being stapled, the jogger fence 185 returns to the paper discharge position ([A] position) of the transfer sheet PR, and after the copy is completed, the jogger fence 185 returns to the home position ([B] position).

When the sheets are set on the staple tray 55 and the manual staple button is pressed, the jogger fence 185 moves to the designated paper size position to align the sheets and then staple them.

3. Document Feeding Device 3.1 Schematic Structure of Document Feeding Device (RDH) As shown in FIG. 27, the document feeding device (RDH) 9 is placed between a document setting table 217, a drive pulley 219 and a driven pulley 221. Original document conveyor belt 2
23, a document transport path 257 for transporting a document from the document transport belt 223 side to the document set table 217, and a turn roller 227 disposed so as to face the document transport path 257.
And the original setting table 2 from the original conveying belt 223 side.
A document return transport path 225 for transporting a document to the 17 side, the transport path 165 of the document reversing unit 44 and the document return transport path 22 described above.
5, a document feeding / discharging conveying path 229 and a document aligning jogger fence 231 are further provided, and in addition to this, a document conveying driving mechanism, a switching claw driving mechanism for switching the document conveying direction, and a jogger fence. The drive mechanism, the pressing roller pressing mechanism, the lock mechanism of the document feeder, and the like are provided.

3.2 Document Transport Driving Mechanism The document transport driving mechanism is, as shown in FIGS.
1, separation blade 243, transport roller 245, turn roller 227, document transport belt 223, and paper discharge roller 2
It is basically composed of 47.

The calling roller 233 is formed in a half-moon shape in cross section, and in the initial state, it is set so that the portion notched in the plane is slightly retracted from the original setting table 217. The approach roller 235 is arranged at a position facing the calling roller 233 with the document setting table 217 interposed therebetween, and is supported by the approach roller driving arm 237. The approach roller drive arm 237 is swingably supported coaxially with the paper discharge roller 247, and is driven by the approach roller drive solenoid 239.

The calling roller 227, the separation roller 241, and the discharge roller 247 are driven by a single supply / discharge motor (not shown), and the drive is connected / disconnected by a one-rotation clutch, a paper feed clutch, and a paper discharge clutch, respectively. The approach roller 233 is driven by a belt from the discharge roller 247 and is set to rotate in the same direction as the discharge roller 247. The turn roller 22
7, the transport roller 245, and the document transport belt 223 are driven by independent turn roller motors (not shown), transport motors, and belt drive motors that are independently rotatable.

Since these detailed operations differ depending on the mode, they will be described in the section of the operation corresponding to the mode described later.

3.3 Switching Claw Driving Mechanism When carrying the original OL, the carrying direction can be switched in accordance with the switching operation of the switching claw. The switching claw is a fifth switching claw 249 for switching between the document feeding / discharging transport path 229 and the document returning transport path 225, and the document setting table 10.
Transport path 251 for discharging the document to the side and separation roller 241
The sixth switching claw 255 for switching between the conveying path 253 for conveying to the side, the conveying path 257 for conveying along the outer periphery of the turn roller 227 from the separation roller 241, and the conveying path 253.
And the eighth switching claw 261 for switching between the document main transport path 225 and the transport path 257 on the outer circumference of the turn roller 227, the document transport belt 2
The switching guides 249, 2 are composed of five reversing guide claws 263 for reversing the original document OL returned from 23.
By appropriately switching 55, 259, 261 and 263, the document can be reversed and the conveying direction can be selected.

3.4 Jogger Fence Driving Mechanism The jogger fence 231 for aligning documents is a jogger fence 231h for horizontally aligning and a jogger fence 2 for vertically placing.
31v and drive motors 265h and 26, respectively.
Driven by 5v. These motors 265h, 2
The driving force of 65v is transmitted by the wires 267h and 267v, and the jogger fences 231h and 231v fixed to the wires 267h and 267v are moved to improve the stackability of the originals OL discharged by the discharge rollers 247. Is intended.

3.5 Approaching Roller Pressing Mechanism The approaching roller 235 can perform a pressing operation by driving the approaching roller driving arm 237 by the approaching roller solenoid 239. That is, the approach roller solenoid 239
Is OFF in the initial state, and is ON when the document is fed, when the document is discharged, and when the document feeder 9 is lifted.
Is set to. As a result, at the time of feeding the original, the original OL is pressed against the calling roller 233 and the original OL on the original set table 217 can be called. At this time, since the document OL is separately fed,
The rotation of the approach roller 235 is stopped. When the document is discharged, the shifting roller 235 is rotated clockwise in the drawing,
The leading edge of the discharged document OL is abutted against the separation blade 259 to improve the stackability of the document OL. Further, when the pressure plate of the RDH 9 is lifted, the document OL is pressed to prevent the document OL from dropping from the document set table 217.

3.6 Locking Mechanism of Document Feeding Device During copying, and while the document OL is being conveyed between the RDH 9 and the finisher 11, the pressure plate 26 of the RDH 9 is used.
When 9 is raised, the document OL may jam. In order to prevent such a situation from occurring, this copying machine is provided with a lock mechanism for the pressure plate 269 and thus the RDH 9.

This lock mechanism is provided inside the left side of the pressure plate 269 as can be seen from FIG. 27, and as shown enlarged in FIG.
Pressure plate lock arm 271 and pressure plate lock arm 2
Engagement piece 277 with which the engaging portion 275 at the lower end of 71 engages
And a pressure plate lock solenoid 279 that swings and drives the pressure plate lock arm 271. In the above state, the pressure plate lock solenoid 279 is turned on to lock the document O.
Prevent L jam. It should be noted that the pressure plate lock solenoid 279 is turned off and the lock is released when the pressure plate is copied and when a jam occurs in the document feeder.

4. Flow of Transfer Paper The flow of transfer paper will be described below with reference to the drawings for normal copying and each mode.

4.1 Normal Copying FIG. 30 shows the flow of the transfer paper during normal copying. In the case of normal copying, the transfer paper PR is the paper feed cassette 27, the loading port 3
Paper is fed from the manual feed table 393 set to 1 or the intermediate tray 23 (in the case of back side copy in the double-sided copy mode). Then, the image is formed by the image forming system 15,
After being transferred, the image is fixed on the transfer paper PR by the fixing system 19 and introduced into the finisher 11 through the transfer paper introduction port 395 of the finisher 11. The transfer sheet PR introduced from the transfer sheet introduction port 395 passes through the fourth transfer sheet conveying path 399, the ninth switching claw 397 upward, and the tenth switching claw 40.
By switching 1 to the right, the sheets are discharged to the copy (proof) tray 39.

In the double-sided copy mode, when a jam occurs on the intermediate tray 23 when the front side is copied,
It is set so that the transfer sheet PR is discharged to the copy tray 39 as an emergency sheet tray when a jam occurs in the bin 37 or the staple tray 55 in each of the sort and stack modes and the staple mode.

4.2 Front Side Copy in Duplex Copy Mode FIG. 31 shows the flow of the transfer paper during front side copy in the double side copy mode. In this copy mode, the transfer paper PR fed from the paper feed cassette 27 passes through the image forming system 15 and the fixing system 19 in the same manner as described above, and then is provided on the downstream side of the fixing system 19 in the conveying direction. The switching claw 403 of No. 11 is switched to the lower side and sent to the side of the reverse guide plate 405 (illustration, solid line direction). Then, after the transfer paper PR enters the reversing guide plate 405, it is pressed by the contacting / separating rollers 407, and the conveyance force of the reversing return rollers 409 provided facing the contacting / separating rollers 407 causes the image forming surface to face up. And enters the intermediate tray 23 (indicated by the dotted line). Note that the contact / separation roller 407 is retracted to a position separated from the reverse return roller 409 side when the transfer sheet PR is fed in the reverse guide plate 405 direction, and is moved to the reverse return roller 409 side when transported in the intermediate tray 23 direction. Advance to the pressure contact position.

4.3 In Sort Mode and Stack Mode FIG. 32 shows the flow of the transfer paper in the sort mode and the stack mode. In these modes, the transfer paper PR fed from the paper feed cassette 27 or the intermediate tray (for back side copy in the double-sided copy mode) 23 passes through the image forming system 15 and the fixing system 19 in the same manner as described above. ,
The eleventh switching claw 403 provided on the downstream side in the conveyance direction of the fixing system 19 is switched to the upper side and sent to the finisher 11 side, and guided by the ninth switching claw 397 switched to the lower side to perform the first transfer. The paper is discharged to the bin 37 via the paper transport path 47, the first switching claw 89, and the sheet transport path 135.

4.4 In Staple Mode 4.4.1 In Stacking To Staple Tray FIG. 33 shows the flow of the transfer paper when stacking the transfer paper on the staple tray in the staple mode. In this mode, the transfer paper PR fed from the paper feed cassette 27 or the intermediate tray (for back side copy in the double-sided copy mode) 23 passes through the image forming system 15 and the fixing system 19 in the same manner as described above. , The 11th switching claw 403 provided on the downstream side of the fixing system 19 in the conveying direction is switched to the upper side and sent to the finisher 11 side, and is guided by the 9th switching claw 397 switched to the upper side to perform the second transfer. The paper is discharged to the staple tray 55 via the paper transport path 49, the tenth switching claw 401, and the third transfer paper transport path 51, and is stocked.

4.4.2 At the time of discharging from the staple tray FIG. 34 shows the flow of the transfer paper when discharging the transfer sheet from the staple tray in the staple mode. The transfer paper PR bundle stocked in the staple tray 55 in this mode is stapled by the staple unit 53,
By the operation as described in the section of the stapling section in 2.3, as shown by the arrow in FIG.
Is discharged to.

5. Document Flow Next, the document flow will be described for each mode with reference to the drawings.

5.1 Single Sided Original Mode 5.1.1 During Original Feeding The flow of originals during original feeding in the single sided original mode is shown in FIG.
5 shows. When feeding a document in this mode,
The original OL is placed on the H9 original set table 217 with the side to be copied facing up. The original OL placed in this manner is called from the lowermost original OL by the calling roller 233 and guided to the conveyance path 257 along the outer circumference of the turn roller 227 by the seventh switching claw 259 which is switched to the upper side. Then, it is conveyed onto the contact glass 7 of the copying machine main body 3 by the document conveying belt 223 through the eighth switching claw 261 which is switched to the lower side.

5.1.2 Document Ejection FIG. 3 shows the document flow when ejecting an original in the single-sided original mode.
6 shows. When ejecting the document OL in this mode,
When the exposure of the original document OL on the contact glass 7 is completed,
The original conveying belt 223 and the turn roller 227 are reversed,
At the same time, the eighth switching claw 261 is switched upward, and the original O
L is the original return conveyance path 225, the fifth switching claw 249 is switched upward, and the sixth switching claw 255 is switched downward.
Then, the sheet is discharged onto the original set table 217 by the sheet discharge roller 247.

5.2 Double-Sided Original Mode 5.2.1 During Original Feeding The flow of originals during original feeding in the double-sided original mode is shown in FIG.
7 and FIG. 38. When the document OL is fed in this mode, as in the case of the one-sided document, the document OL fed from the lowermost surface is rotated by the turn roller 227 immediately after the rear end of the document OL has passed the seventh switching claw 259. And at the same time 7th
38 moves in the direction of the arrow in FIG. 38, the original document OL is reversed, and the original document is conveyed onto the contact glass 7 by the original document conveyance belt 223 with its back surface facing down.

5.2.2 At the time of reversing the original document The original document OL whose back surface has been exposed is discharged by the original document transport belt 223 as shown in FIG.
The document is reversed by 27 and the seventh switching claw 259 in the same manner as when the document is fed, and is conveyed again on the contact glass 7 by the document conveying belt 223 with the front side facing down.

5.2.3 During Document Ejection The original document OL whose surface has been exposed is ejected in the same manner as the one-sided document shown in FIG. However, in this case, the surface of the discharged document OL is up on the document set table 217.

5.3 Document Number Counting Mode In the stapling mode, since the number of copies that can be stapled is limited, the number of documents must be counted before the start of copying. However, this is only when the user directly sets the original OL on the original set table 217, and when the original OL sent from the finisher 11 is stapled, the counting has already been completed, so the count in the ADF 9 is performed. No work is done. The flow of originals in this mode is shown in FIGS.

As shown in FIG. 40, the original set table 2
The rear end of the document OL fed from 17 has the eighth switching pawl 26.
1 passes through the turn roller 22 as shown in FIG.
Simultaneously with the reverse rotation of 7, the eighth switching claw 261 moves in the direction of the arrow, the original OL is reversed as shown in FIG.
Is discharged onto the document set table 217.

5.4 Document Transfer from Finisher to ADF As described above, the document can be sent from the bin 37 to the ADF 9. The flow of document transportation in this case is shown in FIG. When the document OL is sent from the bin 37 to the ADF 9, it is placed on the bin 37 with the side to be copied facing down. The operation on the finisher 11 side in this document conveyance is described in detail in the above-mentioned operation of document feeding in 2.2.8.3. Therefore, a brief description will be given below.

The originals OL are picked up by the pick-up roller 73 in order from the top and are switched to the lower side.
The switching claw 89 conveys the document conveyance path 135 upward from the sheet conveyance path 135 and advances to the document reversing section 44 as described with reference to FIGS.
4 as described above, the original feeding / discharging conveyance path 229 of the RDH 9
Then, the document set table 2 is discharged by the sheet discharge roller 247.
17 is discharged onto. In this case, the original OL placed on the bin 37 with the copy surface facing downward is inverted through the reverse guide plate 43, and when discharged onto the original set table 217, the copy surface faces upward. Therefore,
The originals OL on the original set table 217 are stocked in the order of the first sheet, the second sheet ...

5.5 Document Transport from Document Feeder to Finisher After copying is completed, the document OL returned to the document setting table 217 and stocked is read by the calling roller 233 from the document on the bottom surface as shown in FIG. 20. Each sheet is called one by one and guided to the seventh switching claw 259 switched to the lower side, the sixth switching claw 255 switched to the upper side, and the fifth switching claw 249 switched to the lower side, as shown in FIG. As described with reference to FIG.
It is conveyed in 9 directions, is guided to the bin 37 direction by the first switching claw 89 switched to the upper side as described with reference to FIG. 5, and is fed to the bin 37 by the paper feeding / discharging rollers 83 and 84.
Is discharged to. The originals OL on the bin 37 are stocked in the same state as those placed on the original set table 217, that is, the first side, the second side, ...

6. Control Circuit 6.1 Control Circuit of Copying Machine Main Body FIGS. 44, 45, and 46 show schematic control block diagrams of the copying machine main body. Of these, FIG. 44 shows the operation unit and A
It is a block diagram of a C control system, and is a C that controls the operation of the operation unit.
A ROM in which an AC drive circuit 283, a gate array 285, a control program, etc. are written in advance in the PU 281.
287 and the like are connected via a bus. A fixing heater 289 of the fixing system 19, a drive motor 291, an exposure lamp 293, etc. are connected to the AC drive circuit 283, and a CPU
281, the trigger output is input, and the CPU 281 receives A
The output of each output system of the C drive circuit 283 is input.

The output port of the CPU 281 outputs the data to the decoder 295, and the gate array 285 and R
A bus is connected to the OM287. A control signal is output from the gate array 285 to the display matrix, and a CPU is output from the key input matrix.
A key input signal is input to 281. Furthermore, CPU2
A control signal for guidance display is output from 81.

FIG. 45 is a block diagram showing the control system of the copying process. In the same figure, this control system includes a CPU 29
7, ROM 299, non-volatile RAM 301, two serial transmission / reception elements 303 and 305, two gate arrays 30
7, 309, a decoder 311, a latch 313 and the like. A CPU 297 for controlling the copying process is a CPU 281 for controlling the operation unit, and a CP for controlling an optical system described later.
It is connected to U315 via the T _X D terminal and the R _X D terminal. Further, the CPU 297, the ROM 299, the non-volatile RAM 301, the serial transmission / reception elements 303 and 305, the gate arrays 307 and 309, and the latch 313 are connected to each other via a bus, and the decoder 311 decodes the output from the CPU 297 to read the ROM 299.
Nonvolatile RAM 301, serial transmission / reception elements 303, 30
5 and the CS inversion signal terminals of the gate arrays 307 and 309. Further, the RD inversion signal terminal, the WR inversion signal terminal of the CPU 297, the nonvolatile RAM 301, the serial transmission / reception elements 303 and 305, and the gate array 3
07 and 309 are connected to the RD inversion signal terminal and the WR inversion signal terminal, respectively. In addition, gate array 3
07 is used for output to various outputs in the copying process, and gate array 309 is used for input from various outputs in the copying process.

FIG. 46 is a block diagram showing the control system of the optical system. In the figure, the control system of the optical system includes a CPU 315 that controls the optical system, a programmable timer 317,
The driving circuit 319 is mainly configured, and the CPU 315 has a built-in ROM in which a program is written, and is connected to the programmable timer 317 and the driving circuit 319 by a bus. The CPU 315 controls the scaling stepping motor 321 according to the scaling input from the operation unit, and
It receives detection signals from the document size detection sensor / density detection sensor 323 and various position detection sensors 325, and outputs various control signals according to the signals. Drive circuit 319
Controls the rotation of the servo motor 329 by the encoder 327 and controls the servo motor 329.

6.2 Finisher Control Circuit FIG. 47 is a block diagram showing the control system of the finisher 11. In the figure, the control system of the finisher 11 is C
It mainly comprises a PU 331, a ROM 333, a gate array 335, and a latch 337, which are connected to each other by a bus. This CPU 331 has
The gate array 3 receives various input signals 339 described later.
Various output signals 341 are output via 35.

6.3 Document Feeding Device Control Circuit FIGS. 48 and 49 are block diagrams showing the control system of the RDH 9, and the two diagrams show one control system. In these figures, the control system of the RDH 9 is the CPU 343,
The ROM 345, the gate array 347, the latch 349, and the first and second motor controllers 351 and 353 are mainly included. First motor controller 351
Is a controller of a conveyance motor capable of rotating in the forward and reverse directions,
An inverter 355 is provided between the CPU 343 and
A motor driver 359 is provided between the conveyance motor 357 and the conveyance motor 357. In addition, this first motor controller 3
The output from the encoder 361 for detecting the rotation state of the carry motor 357 is input to 51. The second motor controller 353 is a motor controller of the paper feed / discharge motor 363.

The CPU 343, the ROM 345 and the gate array 347 are connected to each other by a bus, and an output signal 365 from the CPU 343 to the turn roller motor, the belt motor and the like, and a control signal to the first and second motor controllers 351 and 353. Is output and various input signals 367 from the paper discharge detection sensor, the registration sensor, etc. are C
It is input to the PU 343. The gate array 347 outputs an output signal 369 to the jogger motor 265 and various output signals 371 to the switching solenoid, the shift roller solenoid 239 and the like.

7. Control and operation 7.1 Controls performed by the copier body include key input check, stapler check, and maximum sort count check when inputting the number of copies in mode setting by the operator.
Check the maximum number of stacks when inputting the number of copies, check the maximum number after counting the number of originals, check the connection of RDH and finisher, finish document feeding, count the number of originals, start copy job, transfer paper from finisher to bin, tray Ejection counting, stapling operation execution, stapling operation termination processing, document ejection processing, document ejection termination processing, and the like. Hereinafter, each control item will be described in detail.

7.2 Checking at the time of key input (mode setting by the operator) On the operation plate (FIG. 74) of the copying machine main body 3, there are reserved selection key (mode selection key) 385, staple mode, sort mode and stack mode. LED 38 shown respectively
7 and the like are provided, and the LED 387 corresponding to the mode is turned on / off according to the pressing operation of the reservation selection key 385.

This check is roughly performed by turning the mode select key ON for the first time. If stapling is possible, the staple LED is turned on. If it is not possible, that fact is displayed on the display and a sort check is performed. If stapling is possible and the key is pressed again, the sort check is performed. (Staple LED OFF at this time) If sorting is possible, sort LED
Is lit, and if it is not possible, that fact is displayed on the display, and a stack check is performed. If the key is pressed again when sorting is possible, the stack check is performed. (Sort LED OFF at this time) If stacking is possible, the stack LED is turned on. (LED is all OFF when stack is possible and key is pressed again) The above check is repeated each time the mode select key is pressed. When the print key is turned on and the mode in which the LED is lit when the reservation mode is set is finally selected, and when no LED is lit, normal transfer paper processing is performed (except the selected mode, a prohibition flag is set). Stand up).

This will be described in more detail with reference to the flowchart of FIG. As can be seen from this flowchart, when the mode select key is pressed (step S
1) First, it is checked whether each connection flag is "1" (step S2). What is each connection flag?
This is a flag for checking whether or not the finisher 11 and RDH 9 are connected.

In step S2, finisher 11 and R
When it is confirmed that the DH 9 is connected, the staple check is performed by turning the key ON for the first time, and if the staple is possible, the staple LED is turned on (step S
3). If the staple LED is turned on in step S3, the staple LED is turned off as shown in the flow chart of FIG. 51 (step S4), the staple inhibition flag is set to "1" to inhibit staple, and the sorting or stack mode is entered (step S4). Step S6).

Then, it is checked whether or not the sort bin jam flag indicating that a jam has occurred in the bin 37 is "1" (step S7). If it is "1", a jam has occurred. Therefore, the sorting is prohibited and the stack is prohibited (steps S8 and 9), and "sort impossible" and "stack impossible" are displayed on the display (step S10).

If the sort bin jam flag is not "1" in step S7, there is no jam in bin 37, so it is checked whether the mode is the reservation mode described later (step S11). If it is the reservation mode, a maximum value check subroutine (MAX check 1) to be described later is executed (step S12), and it is confirmed by a flag whether or not sorting is prohibited (step S).
13). If it is determined that the sorting prohibition flag is set in this check, "Sort not possible" is displayed on the display (step S14), then the processes of step S21 and later described below are executed, and if it is determined that the flag is not set, sort L
The ED is turned on (step S17).

On the other hand, if it is not the reservation mode in step S11, it is checked in step S15 whether or not there is numerical data. If there is numerical data, step S12
The subsequent processing is executed, and if there is no number data, the sort prohibition flag is set to "0" (step S16) to enable the sort, and the sort LED is turned on (step S17).

When the staple LED is not turned on in the judgment of step S3, it is checked whether or not the sort LED is turned on (step S18). If it is ON, the sort LED is turned OFF as shown in the flow chart of FIG. 52 (step S1).
9) After setting a sort prohibition flag to prohibit sorting (step S20), it is checked whether or not there is numerical data (step S21). If there is a register data in this check, the maximum register value check subroutine (MA
X check 2) is executed (step S22), and
Whether or not the stacking is possible is checked by the stacking prohibition flag (step S23), and if the stacking prohibition flag is "1", "not stackable" is displayed on the display (step S24). If it is not "1", the stack LED is turned on (step S26). On the other hand, when it is determined in step S21 that there is no number data, the stack inhibition flag is set to "0" (step S25), and the stack LED is turned on (step S2).
6).

If the sort LED is not turned on in step S18, it is checked whether the stack LED is turned on (step S27). If the sort LED is turned on, the stack LED is turned off (step S28).
Further, the stack prohibition flag is set to "1" (step S
29) Prohibit stacking.

If the stack LED is not turned on in step S27, the staple mode is executed (step S30), the stapler check subroutine is executed (step S31), and then the staple inhibition flag becomes "1". It is checked whether or not (step S32). If the staple prohibition flag is not "1" in this check, stapling is possible.
The staple LED is turned on (step S33). On the other hand, if it is not "1", stapling is prohibited, so "stapling is not possible" is displayed on the display (step S34), and the processing from step S6 is executed.

7.3 Stapler Check In this process, the availability of staples is checked under each condition.

FIG. 53 is a flow chart showing the processing procedure of this processing. In this process, first, finisher 1
The finisher connection flag indicating whether 1 is connected is checked (step S41). When the finisher connection flag is "1", the finisher 1
When it is determined that 1 is connected, it is checked whether there is a stapler staple, that is, the staple end flag is checked (step S42). If the staple end flag is set in this check, that is, if it is determined that there is no staple, a staple prohibition flag is set (step S52) and stapling is prohibited.

When the needle end flag is down and it is judged that the needle is still present, the needle end LED is turned off.
Set to F (step S43) and check whether the stapler jam flag is "1" (step S43).
44). If a jam is found in this check, stapling is prohibited (step S52), and if not, it is checked whether the staple is in an abnormal state (step S45). If the staple is abnormal in this check, stapling is prohibited (step S52). If it is not abnormal, it is checked whether the finisher door open flag is "1" (step S52).
46). The finisher door open flag is a flag that becomes "1" when the door of the finisher 11 is opened due to jam removal or the like. If the finisher door open flag is set in this check, stapling is prohibited (step S52), and if not set, it is checked whether or not the mode is the reservation mode (step S47). If it is not the reservation mode, it is checked whether or not there is remaining paper on the staple tray 55 (step S48). If this check determines that there is no remaining paper, the staple prohibition flag is set to "0" to enable stapling. Therefore, stapling is prohibited (step S52). On the other hand, if the reservation mode is set in step S47, the document set flag is checked to see if the document OL is set on the bin 37 (step S49). If the original document OL is set in this check, the process from step S48 is executed, and if it is not set, the stapleable state is directly set in step S50.

7.4 Sort MAX Check when Inputting Numerical Values When not in reservation mode, all bins can be used.
(20 bins in this case) When the number of copies exceeds 20, the operator is notified by a guidance display. The number of usable bins in the reservation mode is the number of bins below the bin at the lowest position where the document is set. For example, in FIG. 2, when documents are set in the uppermost bin, the third uppermost bin, and the fourth uppermost bin, the usable bin is located below the lowest uppermost bin. It is 16 bins. When the number of copies exceeds the number of possible bins, sorting is prohibited, and if the LED is lit, it is turned off and the display indicating that sorting is not possible is displayed.

This processing is shown in the flow chart of MAX check 1 in FIG. In this process, first, the numerical data is loaded in step S61. Next, it is checked whether the reservation mode is set (step S62). If the reservation mode is set, five reservation selection keys 3 described later (FIG. 74) are selected.
85 selection display LEDs (P1, P2, P3, P4) 3
When all 87 are OFF (steps S63, 6)
When it is judged that all are OFF in 4, 65, 66),
Substitute 0 for A (step S67), and compare the numerical value and the value of (20-A) as shown in FIG. 55 (step S68). When it is determined that the number is not larger, the sort prohibition flag is lowered (step S7).
1) Return to a sortable state, and when it is determined that the number is larger, a sort inhibition flag is set (step S69) to inhibit sorting, and it is determined whether or not the sort LED is turned on (step S70). . If the sort LED is OFF in this determination, the process returns, and if the sort LED is ON, the sort LED is turned OFF (step S72) and "sort not possible" is displayed on the display (step S73).
Then return.

In this process, if the LED of P4 is ON in the check of step S66, 1 is substituted for A (step S74), and if the LED of P3 is ON in the check of step S65, Substitute 2 for A (step S75) and check P2 for step S64.
If the LED is ON, 3 is substituted for A (step S76), and the P1 LE is checked in step S63.
If D is ON, 4 is substituted for A (step S77), the process proceeds to step S68, and the numerical value and (20
-A) is compared and it advances to the next step.

If it is determined in step S62 that the reservation mode is not set, as shown in FIG. 55, the register number is compared with the bin number of 20 in step S78. If the register number is larger, the guidance display subroutine is executed. After executing (step S79), the sorting prohibition flag is cleared (step S80), the state becomes sortable, and the process returns. When it is determined in step S78 that the number is not larger, the sorting prohibition is released (step S80) and the process returns. To do.

The guidance display in step S79 is, for example, a display such that "up to 20 copies can be sorted. The rest is sorted after transfer paper is removed."

7.5 Stack MAX Check when Inputting Numerical Values This process prohibits stacking when the numerical value exceeds the bin MAX (50 sheets in this case), and turns off the LED if the LED is on. This is a process of displaying "unstackable" on the display.

Specifically, as shown in the flow chart of MAX check 2 of FIG. 56, first, the number data is loaded (step S91), and it is checked whether the number is larger than 50 (step S92). If 50 or less sheets are stackable, the stack prohibition flag is set to "0" (step S93). If there are more than 50 sheets, they cannot be stacked, so the stack prohibition flag is set to "1" (step S94), and the stack LED
Check if is turned on (step S
95). This check clearly indicates that the stack LED cannot be stacked if the stack LED is in the OFF state. Therefore, the process directly returns, and if the stack LED is in the ON state, the stack LED is turned OFF (step S96), and “no stacking” is possible on the display. Is displayed (step S97),
To return.

7.6 MAX Check After Counting the Number of Documents In this process, the number of documents is staple MAX and bin MA.
When X (50 sheets in this case) is exceeded, staples,
Sorting is not possible. The number of effective bins in the stack is the same as that at the time of sort 3 described above. When the number of effective bins is exceeded, it is disallowed. When the number of originals is 1, stapling is not possible. When stapling and sorting are not possible, the transfer paper is discharged to the copy (proof) tray 39 as in the normal transfer paper processing. When it is not possible to stack, it will stack up to the number of effective bins,
The rest is discharged to the copy (proof) tray 39. When not in the reservation mode, the fact is displayed on the display.

Specifically, it is shown in the flowchart of MAX check 3 in FIG. In this processing, it is first checked whether the special mode is set (step S101), and if any one of the staple mode, the sort mode, and the stack mode is set, it is judged as the special mode and the number of originals is more than 50 sheets. Check if (Step S
102). In this check, when the number of originals is more than 50, the staple inhibition flag is set to "1" to inhibit stapling (step S103), and the sorting inhibition flag is set to "1" to inhibit sorting (step S).
104). Next, the stack inhibition flag is checked to see if it is in the stack inhibition state (step S1).
05), if stacking is not prohibited, it is checked whether the mode is the reservation mode (step S106). If the reservation mode is set in this check, the Help flag for ejecting paper to the copy (proof) tray 39 is set to "1" as in the case of normal paper ejection (step S107), and the process returns.

If the check in step S106 indicates that the mode is not the reservation mode, for example, a guidance display saying "Only 20 copies can be stacked. The rest will be stacked in the copy tray." (Step S1)
08) and then return.

If the stack is prohibited in the check in step S105, it is further checked whether or not the mode is the reservation mode (step S109). If this check indicates that the mode is the reservation mode, the above-described processing of step S107 is executed.
110) The process proceeds to step S107 and returns.

On the other hand, if it is determined in step S102 that the number of originals is 50 or less, it is further checked whether or not the mode is the reservation mode (step S111). If not in the reservation mode, the number of originals is more than 20. Check whether or not (step S112). If it is determined that the number of originals is 20 or less, it is further checked whether the number of originals is one (step S113), and if it is not one, the process returns as it is, and if one, staples as shown in FIG. A prohibit flag is set to prohibit stapling (step S114), a Help flag is set to further (step S115), the sheet is ejected to the copy tray 39, and "stapling is not allowed" is displayed on the display (step S116), and then the process returns.

In step S112, the number of originals is set to 20.
When it is determined that the number of sheets is equal to or more than the number of sheets, the processing from step S108 is executed, and when it is determined in step S111 that the mode is the reservation mode, as shown in the flowchart of FIG. LED for selection display of one reservation selection key 385 (P1, P
(2, P3, P4) 387 are all OFF (steps S117, 118, 119, 120 are all O
When it is determined to be FF), 0 is substituted for A (step S121), and the numerical value and the value of (20-A) are compared (step S122). Then, when it is determined that the number of copies is not larger, it is checked whether the number of originals is one (step S123). If it is one, it is not necessary to staple, so the staple prohibition flag is set to prohibit staple. Stand (step S124), then H
After setting the elp flag (step S125) to set the sheet to be ejected to the copy tray 39, the process returns.

If it is determined in step S122 that the number of copies is larger, the process proceeds to step S125 and subsequent steps. If it is determined in step S123 that the number of originals is not one, the process directly returns.

In this process, step S12
When it is determined that the LED of P4 is ON at 0, 1 is substituted for A (step S126), and step S126
When it is determined that the LED of P3 is ON in 119, 2 is substituted for A (step S127), and when it is determined that the LED of P2 is ON in step S11, 3 is substituted for A. (Step S128), when it is determined in step S11 that the LED of P1 is turned on, 4 is substituted for A (step S129), the process proceeds to step S122, and the numerical value and (20-A) are compared. Then, the processing from step S122 onward is executed.

7.7 RDH / Finisher Connection Check The connection check of the RDH 9 and the finisher 11 is executed based on the flowcharts shown in FIGS. 59 and 60, respectively.

In the connection check process of RDH9,
As shown in FIG. 59, it is first checked whether the RDH 9 is connected (step S131). If it is determined in this check that it is connected, the RDH connection flag is set to "1" (step S132), and if it is not connected, the RDH connection flag is set to "0" (step S13).
3) Further, the flag RDH is set to "0" (step S
134).

In the connection check processing of the finisher 11, first, as shown in FIG. 60, it is checked whether or not the finisher 11 is connected (step S14).
1). If it is determined that the connection is made by this check, the finisher connection flag is set to "1" (step S142).
If not connected, the finisher connection flag is set to "0" (step S143), and the flag finisher is set to "0" (step S144).

7.8 Document Feed from Finisher to RDH This process is performed in the reservation mode when the previous reservation job is completed, and there is no abnormality in the copying machine main body 3, finisher 11 or RDH 9. For example, the mode data and the bin position data are transmitted from the copying machine main body 3 side to the finisher 11 side, and the bin 37 is fed to the paper feed / discharge port 136 for the paper feed / discharge rollers 83 and 84 of the sheet conveying path 135 as shown in FIG. Once set, send a signal to RDH9 to send RD
When the acceptance OK signal from H9 is received, finisher 1
This is a process of transmitting a document feeding start signal to the first document. The specific processing procedure is as shown in the flowcharts of FIGS. 61 and 62.

In this process, in the reservation mode (step S151), the connection flags of the finisher 11 and the RDH 9 are connected (step S152), the job end flag is "1" (step S153), and the RDH original set flag is set. Is "1" (step S154),
The message "The original remains on the RDH. Please remove it" is displayed (step S155). If it is determined in step S154 that the RDH original set flag is not "1", it is checked whether each door open flag is "1" (step S156),
When it is determined that the jam flags are not "1", that is, when the doors are all closed, it is checked whether each jam flag is "1" (step S157).
If the jam flag is not "1" in this check, in other words, if there is no jam in any place, RD
It is checked whether the H lift-up flag is "1" (step S158), and if it is confirmed that the RDH lift-up flag is down, the mode data,
Transfer the bin position data from the copying machine main body 2 side to the finisher 11
(Step S159). The mode data is “101”.

When the above data is transmitted in step S159, it is checked in step S160 whether the bin position data of the copying machine main unit 3 and the bin position data of the finisher 11 match each other. It is checked whether or not it is "1" (step S161). If they match, the manuscript set flag is set to "1" (step S162), and the manuscript acceptance OK flag is set to "1" to check whether the manuscript can be accepted (step S163). ).
When it is determined that the original can be accepted, the original feeding flag is set to "1" to enable the original feeding (step S164), and the job end flag is set to "0" to set the job execution state ( After step S165), the process returns. Incidentally, the steps S153 and S1
The job end flag of 65 is a flag that is set to "1" when the previous reserved job is completed and when the job is initialized.

7.9 Original Feeding Finishing Process This process is a process of stopping the finisher 11 and the RDH 9 after 0.5 seconds if the original number data from the finisher 11 and the original number data from the RDH 9 match.
Specifically, it is as shown in the flowchart of FIG.

In this process, the reservation mode is set (step S171), and both the RDH original acceptance flag and the original feeding flag are "1" (steps S172, 17).
3) When the document set flag is not "1" (step S174), the document number data 1 which is the number of documents counted by the finisher 11 and the document number data 2 which is the number of documents counted by the RDH 9 are loaded respectively (step S174). (S175, 176), it is checked whether the data of the number of originals is the same (step S177).

If the original number data match with this check, the number data is cleared (step S178), and 0.
Execute a 5-second delay routine (step S179)
The original feeding flag is set to "0" and the RDH original receiving flag is set to "0" so that the original is not fed from the finisher 11 to the RDH 9 (steps S180, 1).
81).

7.10 Document Number Counting Process When the document is placed directly on the RDH 9 and copied in the reservation mode, the number of documents is counted. In this case, when the original set signal is received, the mode data is set to R
It is sent to DH9 and the number of documents is counted. Specifically, the procedure shown in the flowchart of FIG. 60 is performed.

In this process, the original mode is not set in the reservation mode (step S191), and the original is set on the RDH 9 (step S192), but there is no original number data (step S192).
193), the number of originals is not counted (step S194), the RDH 9 has not been lifted up (step S195), the door has not been opened to remove the jam (step S196), and the jam is finished 11 , RDH9 and the copying machine body 3 are not generated anywhere (step S197), the mode data "0001" is transmitted to the RDH9. 7.11 Copy job start processing If a document is set on the RDH 9 and the number of document sheets has been counted, the copy job is started. When the original set signal is received from the RDH 9, the mode data set by the operator and the bin position data corresponding to the mode are sent to the finisher 11. When the bin is set, the mode data is sent to the RDH 9 to start the original feed-in. To do. Specifically, it is shown in the flowcharts of FIGS. 65 and 66.

In this processing, the finisher 11 and RDH
9 is connected (step S201), no jam has occurred (step S202), the door is closed (step S203), the RDH 9 is not lifted up, step S204), and the document is set. When it is confirmed that the original is set on the table 217 (step S205), it is further checked whether or not the mode is the reservation mode (step S206). When it is determined in step S206 that the mode is the reservation mode, the bin position data and mode data are directly transmitted to the finisher 11 (step S207), and when it is determined that the mode is not the reservation mode, it is checked whether there is document number data (step S208). ), If there is no sheet number data, the process returns, and if there is, the process proceeds to step S207 to check whether the mode has ended (step S209). And if the mode is finished, sort, stack, staple,
Mode data such as double-sided originals and double-page originals is transmitted to the RDH 9 (step S210), and it is checked whether it is a special mode such as staple mode, sort mode, or stack mode (step S211). If it is a special mode, each prohibition flag is checked. Then (step S212), if not in the prohibited state, the feed-in flag is set to "1" (step S213), and the document is fed in on the contact glass 7. If the special mode is not set in step S211, step S212 is skipped and step S21 is performed.
Process 3 is executed.

7.12 Transfer Paper Ejection Counting Process to Finisher Bin and Tray This process is a process for counting the number of ejected sheets in response to a sheet ejection signal from the finisher 11. When they match, in other modes when the count number matches the numeric data,
The final paper is considered to have been ejected. In the modes other than the stapling mode, the final paper ejection is further counted, and if the counted number matches the number of originals, it is considered that the final paper in one job is ejected (copy job end). Specifically, it is shown in the flowchart of FIG.

In this processing, first, the sheet discharge flag is set to "1", and if the sheet is in the sheet discharge state (step S221), 1 is added to the sheet discharge counter 1 (step S222), and it is checked whether the staple mode is set (step S222). Step S223). In the staple mode in the check in step S223, it is checked whether the number of originals and the number of sheets in the sheet discharge counter 1 match (step S224). It is checked whether they match (step S225). If they do not match, the process returns, and if they match, the final paper ejection flag 1
Is set (step S226). Then, the sheet discharge counter 1 is cleared (step S227), and it is checked whether the staple mode is set (step S228). If it is not the staple mode in this check, 1 is added to the sheet discharge counter 2 (step S229), and it is checked whether the number of originals matches the sheet discharge counter 2 (step S230). If they match, the final sheet has been ejected, so the final sheet ejection flag 2 is set (step S231), and the sheet ejection flag 2 is cleared (step S232).

7.13 Staple Operation Execution Processing In this processing, when the staple mode is selected and the last sheet is ejected, the prohibit flag is checked and the staple operation is executed (the staple flag is set to "1"). )
Processing. The specific processing procedure is shown in the flowchart of FIG.

In this process, first, it is checked whether or not the staple mode is set (step S241). If the staple mode is selected, it is confirmed by the final discharge flag whether or not the last sheet is discharged (step S24).
2). When it is confirmed that the final sheet has been ejected, whether or not stapling is to be performed is checked by the staple prohibition flag (step S243). If this check determines that stapling is to be performed,
The staple flag is set to "1" to execute the stapling operation (step S244). When the stapling is not performed, the staple flag is set to "0" to prohibit the stapling (step S245).

7.14 Staple Operation Completion Processing In this processing, after the staple execution signal is transmitted to the finisher (stapler) 11, the stapler 11 finishes the stapling operation (until the stapled transfer paper is dropped onto the discharge stocker 57). When the signal is received, the staple flag is set to "0" and the staple counter is incremented. Specifically, the processing procedure is shown in the flowchart of FIG.

In this process, first, it is confirmed whether the staple mode is set (step S251). If the staple mode is set, it is checked whether the staple flag is "1" (step S252). If stapling is being performed by this check, that is, if it is "1", it is checked whether or not the copy drop OK flag is "1" (step S253). If the copy drop is OK, the staple flag is set to "0". (Step S254) 1 is added to the staple counter (step S255), and the final paper discharge flag is set to "0" (step S256).

7.15 Document Ejection In this process, if the copy job is completed in the reservation mode and there is no abnormality, the bin position data and mode data are transmitted to the finisher 11, and the bin 37 is set to the paper feed / eject port 136. Then, the mode data is transmitted to the RDH 9, and if there is no document on the RDH 9 at this time, it is considered that the document has been removed by the operator and the reserved job is considered to be completed, the mode data of the completed job is cleared, and the preparation for completion from the RDH 9 is completed. This is a process of starting the document discharge operation when the signal is received. The specific processing procedure is shown in the flowcharts of FIGS. 70 and 71.

In this process, the mode is the reservation mode (step S261), and the staple mode (step S26).
2) and the number of copies is equal to the value of the staple counter (step S263), or the last paper discharge flag 2 is set (step S264) instead of the staple mode (step S262), and a jam occurs. Not open (step S265), no door is open (step S266), and RDH
9 is not lifted up (step S67)
Bin condition data and mode data “110”
Is transmitted to the finisher 11 (step S268), and the bin position data is confirmed whether the bin finisher position data is equal (step S269). And
If they are equal, the mode data "0010" is transmitted to the RDH 9 (step S270), and it is checked whether or not the original is set on the RDH 9 (step S271). If the original is set, the RDH9 to finisher 1
It is checked whether or not the document can be sent to the first side (step S272). If the document can be sent, the document discharge flag is set to "1" so that the document can be sent from the RDH 9 to the finisher 11. "(Step S273), and further from the RDH 9 to the finisher 11
The original RET flag is set to "1" so that the original can be fed (step S274).

On the other hand, if it is determined in step S271 that no document is set on the RDH 9, a job end flag is set to end the reserved job (step S27).
5) Since stapling cannot be performed, the staple counter is cleared (step S276), the final paper discharge flags 1 and 2 are set to "0" (step S277), and the mode data of the reserved job that has ended is cleared and reserved. LE
D is turned off (step S278).

7.16 Original Discharge End (Reservation Job End) Processing This processing is performed 0.5 seconds after the original (discharge) sheet number data from the RDH 9 and the original sheet number data from the finisher 11 match. This is a process of terminating the operation, recognizing that the reserved job is completed here, and clearing the mode data of the completed job. The specific processing procedure is shown in the flowchart of FIG.

In this process, the reservation mode is set (step S281), and the document discharge flag transmitted from the copying machine body 3 to the RDH 9 is "1", that is, the document is sent from the RDH 9 to the finisher 11. (Step S282), finisher 11 from the copying machine main body 3 side
The original return flag sent to the printer is "1", that is, R
When the finisher 11 original is fed from the DH 9 (step S283) and no original is set in the RDH 9 (step S284), the RDH 9
The original sheet number data 2 which is the number of original sheets counted by and the original sheet number data 1 which is the number of original sheets counted by the finisher 11 are loaded respectively (step S28).
5,286). Next, the number of loaded originals is compared (step S287), and if they match, the original number data is cleared (step S288), a 0.5 second delay routine is executed (step S289), and the original discharge flag and originals are set. Set the return flags to "0" and R
The conveyance of the original document from the DH 9 to the finisher 11 is stopped (steps S290 and 291). After that, the reserved job end flag is set to "1" to end the reserved job (step S292), the mode data of the completed reserved job is cleared, and the reserved LED is turned off (step S29).
3). Then, the staple counter is cleared (step S294), the final paper ejection flags 1 and 2 are set to "0" (step S295), and this process is ended.

FIG. 73 shows a comparison between the copy in the reservation mode and the normal copy in these processes.

7.17 Setting of Reservation Mode FIG. 74 shows a part of the operation unit of the copying machine main body 3. This operation unit includes a print key 373 and a print key 37.
A group of keys such as an interrupt key 375, a mode clear key 377, a reservation mode key 379, and an enter key 381 arranged on the upper part of 3, and a ten-key clear / stop key 383 group arranged on the left side of the print key 373 and a ten-key.・
Clear / stop key P1, located above the 383 group
Reservation selection keys 385 of P2, P3, P4 and P5 and P1, P2, P3 arranged above the reservation selection keys 385.
A group of LEDs 387 indicating a selection state of P4 and P5, a reservation reception LED 389 indicating a reservation reception state, and a reservation error LE.
D391 are provided.

The reservation mode is set by using the keys of the operation section as described above. Specific setting processing is shown in the flowcharts of FIGS. 75 to 79.

As can be seen from this flowchart, the reservation mode setting is ON / OFF of the reservation mode key 379.
It starts by checking (step S301).
If it is determined in step S301 that the reservation mode key 379 is ON, the reservation acceptance LED 389 is turned ON / O.
The FF is checked (step S302). If the reservation acceptance LED 389 is OFF, the reservation acceptance LED 389
389 is blinked (step S303), and the numeric keypad 38
Accept the 3-digit code entered in step 3 (step S3
04), ON / OFF of the mode clear key 377 is checked (step S305). If the mode clear key 377 is OFF in this check, it is checked whether any key 385 of P1 to P5 is ON (step S306), and if ON, the corresponding LED 387 of P1 to P5 is OFF. Is checked (step S307-FIG. 7).
6).

With this check, the LED 387 is turned off.
If it is in the state, LED3 corresponding to the P1 to P5
87 is blinked (step S308), reservation acceptance LED
389 is turned on (step S309). Next, the 3-digit code data received in step S304 is stored in the memory (step S310), and the code input flag indicating that the code is input is set to "1" (step S310).
311) The mode is set by each mode setting key (step S312). When the mode is set, a mode check process is executed (step S313), and it is checked whether this process is completed (step S31).
4). Then, if the processing is completed, it is further checked whether or not the mode clear key 377 is turned on (step S315), and if not, the mode clear processing is executed (step S316).

After executing this processing, the timer 1 is stopped and cleared (step S317-FIG. 77), the timer 1 start flag is set to "0" (step S318), and it is checked whether the enter key 381 is turned on (step S317). Step S319). By this check, enter key 38
When 1 is ON, the corresponding P1 to P
The LED 387 corresponding to 5 is turned on (step S32
0), the reservation acceptance LED 389 is turned off (step S3
21), the mode data and the numerical value are stored in the memory (step S322), and the process returns.

On the other hand, when the mode clear key 377 is ON in step S315, the enter key is O
It is checked whether it is N (step S323).
-(FIG. 78), if ON, it is checked whether the timer 1 start flag is "1" (step S324),
If it is not "1", the timer for 0.5 seconds is started, the timer 1 start flag is set to "1", and the process returns (step S325). If the timer 1 start flag is "1" in step S324, it is checked whether or not the timer 1 is counted up (step S32).
6). If it is determined in this check that the timer is not counting up, the process returns as it is, and if it is counting up, the mode setting corresponding to the corresponding P1 to P5 is cleared (step S327) and the corresponding P1 to P5 is cleared. The LED 387 corresponding to P5 is turned off (step S328), and the reservation acceptance LED 389 is also turned off (step S329). Then, the code input flag is set to "0" (step S330), the timer 1 is stopped and cleared (step S331), the timer 1 start flag is set to "0" (step S332), and then the process returns. In step S323, the enter key 38
If 1 is not ON, the process of step S331 and thereafter is executed as it is.

If the processing is not completed in the check in step S314, it is checked whether or not the number of registrations is over in each mode, whether there is paper, and the like (step S333). Further, ON / OFF of the mode clear key 381 is checked (step S334). If this check is ON, the above-mentioned processing of step S323 and thereafter is executed, and if it is OFF, the processing of step S312 and thereafter is executed.

If the LED is ON in the check of step S307, it is checked whether the corresponding LED 387 of P1 to 5 is blinking (step S335).
7 is turned off (step S336), and the 3-digit code data in the memory is cleared (step S337). After that, the code input flag is set to "0" (step S33
8) After performing the mode all clear processing to clear all the modes (step S339), the reservation acceptance LED
Flashes 389 (step S340) and returns.

When the corresponding LED 387 is not blinking in the check in step S335, the 3-digit code data is loaded from the memory (step S341), and the input 3-digit data is changed to the 3-digit data from the memory. Are compared (step S342). If the two coincide with each other in this comparison, the corresponding LED 387 is blinked (step S343), the stored mode data is loaded (step S344), and the setting is performed according to the mode data (step S345). The code input flag is set to "1" (step S346), and the reservation acceptance LED3
89 is turned on (step S347) and the step S
The processing after 312 is executed.

If the mode clear key 377 is ON in the check in step S305, the 3-digit code data is cleared (step S348), and the process returns, and the reservation selection key 385 is OF in the check in step S306.
If it is F, the process directly returns.

It should be noted that if the mode data of both are not the same in the check of step S342, step S348.
To clear the mode data and return. in this case,
Reservation error LED39 before shifting to step S348
1 and other LEDs may be set to be turned on for a certain period of time.

Furthermore, if the reservation acceptance LED 389 is turned on in the check in step S302, it is checked whether the reservation acceptance LED 389 is blinking (step S349-FIG. 79). If not, the corresponding LED is turned on. The light is turned off (step S350), and 3 in the memory
The digit code data is cleared (step S351), and the code input flag is set to "0" (step S352).
Then, the mode all clear process is executed (step S
353), turn off the reservation acceptance LED 389 (step S
354) Return. If the reservation acceptance LED 289 is blinking in step S349, step S35.
At 4, the reservation acceptance LED 389 is turned off and the process returns.

If the reservation mode key 379 is OFF in the check in step S301, it is confirmed whether the code input flag is "1" (step S355), and if it is "1". Step S31
If the reservation acceptance LED 389 is not blinking (step S3)
56) If it is blinking, the process from step S304 is executed, and if it is not blinking, the process directly returns.

8. Control Regarding Document Feeder 8.1 Checking Whether RDH Is Lifted Up The check of RDH9 for lift-up is performed based on the processing procedure of the flowchart of FIG. In this processing procedure, first, ON / OFF of the lift-up sensor is checked (step S401). If the lift-up sensor is ON in this check, the RDH lift-up flag is set to "1" (step S402), and if it is OFF, R
The DH lift-up flag is set to "0" (step S4
03) Send each flag to the copier body (step S)
404).

8.2 Checking whether or not the document exists on the RDH paper feed position Since copying cannot be done unless the document exists on the RDH9 paper feed position, it is checked whether the document exists on the paper feed position. There is a need to. This processing procedure is performed based on the flowchart of FIG.

In this process, first, the ON / OFF state of the document set detection sensor is checked (step S41).
1). If the original set detection sensor is ON in this check, the RDH original set flag is set to "1" (step S
412), if it is OFF, the RDH original set flag is set to "0" (step S413) and each flag is transmitted to the copying machine main body 3 side (step S414).

8.3 Clear Processing by Lifting Up If the RDH 9 is lifted up, the original cannot be fed, so the clear processing is performed. Specifically, it is performed according to the flowchart of FIG. That is, first,
It is checked whether the RDH lift-up flag is "1" (step S421), and if it is confirmed that the RDH 9 is lifted up, the feed end flag is set to "0" (step S422). Although only the feed end flag is cleared in this flowchart, the feed number counter, the jam flag, etc. are also cleared and the motor is turned off.

8.4 Multi-Job Supporting Process When performing a multi-job using the RDH9, if the RDH9 is lifted up in the middle of the job, the operation may not be possible or may be incomplete. Basically, lift up is prohibited except when jamming.
Specifically, as shown in the flowchart of FIG. 83, first, the interrupt flag is checked (step S431),
If the interrupt flag is not "1", the process corresponds to the multi-job, so the RDH lift-up flag is checked (step S432). When the RDH lift-up flag is not "1" in this check, that is, when the RDH 9 is not lifted up, it is further checked whether the document is jammed at the feed-in (step S433), and if it is not jammed,
This time, it is checked whether or not there is a jam at the time of feed out (step S434). If it is not jammed, the reverse jam flag is further checked (step S435). If it is not jammed, the lift-up lock solenoid (pressure plate solenoid) 279 is turned on and R is turned on.
The DH (pressure plate) 9 is locked to execute a multi-job.

On the other hand, when the interrupt flag is "1" in step S431, it means that the job is not compatible with multi-jobs, so the lift-up solenoid 279 is turned off to unlock the lock (step S437). Similarly, when the RDH 9 is lifted up in the check of step S432, when the jam is in the original feed-in state in the check of step S433, and when the original feed-out is jammed in the check of step S434. , And the reverse jam flag becomes “1”, and if the original is jammed in the reverse process, the job cannot be executed as it is, so the lift-up solenoid 279 is similarly turned off to release the lock (step S437).

8.5 Sheet Drop and Misalignment Prevention Processing If the RDH 9 is lifted up, the document at the paper feed position on the RDH 9 may be misaligned or dropped from the paper feed position. It is set to turn on the shift roller solenoid 239 shown in FIG. 28 to press the document on the document set table 217 side by the shift roller 235, and hold the document by sandwiching it between them. This process is shown in FIG.
It is shown in the flowchart.

In this process, the lift-up of the RDH 9 and the setting of the original are checked (steps S441, 4).
42), when the RDH 9 is lifted up and the document is set, the shift roller solenoid 239 is turned on (step S443), the document is held between the shift roller 235 and the document set table 217, and the document is not dropped. Also, do not shift it again.

8.6 Document Number Counting Process It is described with reference to FIGS. 40 and 41 when the user directly places the document on the document set table 217 of the RDH 9 instead of the one sent from the finisher 11 side. It may be necessary to count the number of documents. This specific processing is shown in the flowchart of FIG. 85, and will be described with reference to this flowchart.

This process starts when the mode data is 1 (step S451). That is, the mode data is 1
If so, the number-of-sheets-counting flag is checked (step S452). If the number of sheets is not being checked, the value of the number-of-sheets counter is further checked (step S453). If the number counter is 0 in the check in step S453, "0" is set in the number counter (step S4).
54), the number-of-sheets-counting flag is set to "1" so that the number of sheets can be counted (step S455), the job end solenoid is turned on (step S456), and a subroutine for counting the number of sheets is executed (step S457). Then, the number counter is set to "1" (step S58), and if the job end detection sensor is turned on (step S459), the number counting flag is set to "0" (step S460) and the job end solenoid is turned off. Then, (step S461), the number data and the size data detected by the resist detection sensor are transmitted to the copying machine main body 3 side (step S462).

If the number-of-sheets-counting flag is 1 in step S452, the process skips to step S457 and the subsequent processes are executed. When it is not "0" and when the job end detection sensor is not ON, the process directly returns.

8.7 Feed-in Processing and Feed-out Processing The timing of feeding in and the timing of feeding out the original are selected according to the feed-in flag and the feed-out flag transmitted from the copying machine main body 3 side and the state of the RDH 9, Run. Specifically, it is processed as shown in the flowcharts of FIGS. 86 and 87.

In this processing, first, the feed-in flag is checked (step S471), and if the feed-in flag is "1" and the original is fed onto the contact glass 7, the feed-out flag is set. Is checked (step S472). If the feedout flag is not "1" and the document is not fed out from the contact glass 7, the feed end flag is further checked (step S473). If the feeding is not completed in the check in step S473, the document is fed in (step S474). This operation is shown in Figure 8.
The timing is as shown in the timing chart of No. 8. When step S474 is executed and the feed-in process is completed (step S475), the copy start flag is set to "1" (step S476) to set the copy start state, and the size data and the copy start flag are transmitted to the copying machine main body 3 side. After that (step S477), the feed end flag is set to "1" (step S478). The timing chart of FIG. 88 is based on the above step S47.
This corresponds to the timing of the processing of steps 4 to S478.

If the feed-in flag is not set to "1" in step S471 and the document is not fed onto the contact glass 7,
Further, the feedout flag is checked (step S479). In this check, if the feed-out flag is "1" and the document is ready to be ejected from the contact glass 7, the feed end flag is checked (step S480), and the feed end flag is "1". If it is ", the feedout process is executed at the timing shown in FIG. 90 (step S481). Then, when the feed-out process ends (step S482), the feed end flag is set to "0". In addition,
The timing chart of FIG. 90 corresponds to the timing of the processes of steps S481 to S483.

When the feed-out flag is "1" in step S472 to feed out from the contact glass 7, and in step S473 the feed-end flag is "1" to indicate the feed end state. , Step S484 as shown in FIG.
To perform feed-in / feed-out processing, that is, feed-in on the one hand and feed-out processing in parallel with this, to confirm the feed-out from the contact glass 7 (step S485) and set the feed end flag to " 0 "(step S486), and feed-in / feed-out processing is executed again (step S48).
7). Then, after confirming the end of feed-in (step S488), when the original is set on the contact glass 7, the copy start flag is set to "1" and copying is executed (step S489), and the size data and the copy start flag are copied. It is transmitted to the machine body 3 side (step S49
0), the feed end flag is set to "1" and the feed end state is set (step S491). The timing chart of FIG. 89 corresponds to the timing of the processing of steps S484 to S491.

8.8 Operation Timing of Document Feeder Next, details of the timing charts of FIGS. 88 to 90 will be described. This timing chart is composed of three timing charts: a timing 1 indicating a feed-in timing, a timing 2 indicating a feed-in / feed-out timing, and a timing 3 indicating a feed-out timing.

First, in FIG. 88, when the feed-in signal is received from the copying machine main body 3 side, the shifting roller 235 and the feeding / discharging (conveying motor) are turned on. After a delay of A time, that is, at the delay time A, the calling (half-moon) roller 233 starts rotating, and at the same time, the paper feed clutch is turned on. Further, the original is pulled in according to the rotation of the calling roller 233, the leading edge is detected by the leading edge detection sensor, and the original is subsequently fed in. Then, the calling roller 233 stops after making one rotation, and the shifting roller 235 also stops in synchronization with this stop, and at the same time, the turn roller motor starts to rotate and the turn roller 227 rotates, and the original is made by the turn roller 277. Conveyor belt 223
Be transported to the side. Then, after a lapse of B time from when the leading edge of the document is detected by the registration detection sensor, the belt motor that drives the document transport belt 223 is turned on, and the document is sent onto the contact glass 7.

In this process, when the document passes the leading edge detection sensor, that is, when the trailing edge of the document passes the leading edge detection sensor, the detection output falls, and at the timing of this trailing, the paper feed clutch and the feeding / discharging motor operate. When the document is turned off, the document is transported by the turn roller 277 and the document transport belt 223. Then, at the fall of the detection output of the registration detection sensor, it is found that the document has passed the registration detection sensor position, that is, the position of the turn roller 277. At this timing, the turn roller motor is turned off and the turn roller 277 is stopped. Then, when C time has elapsed from this timing, the belt motor is turned off.
Then, the original conveyance belt 223 is stopped, the copy start flag is output, and copying is started.

The length of the original in the conveying direction is detected by the ON time of the leading edge detection sensor, and in the original number counting mode in which the number of originals is counted without copying, it is supplied at the timing indicated by H. The paper operation ends. This operation has already been described with reference to FIG. 35, and each switching claw is in the state described with reference to this figure.

The feed-in / out process for performing feed-in and feed-out in parallel is performed subsequent to the feed-in, as shown in the timing chart of FIG. That is, already the contact glass 7
When there is a document fed above and the next document is fed from this state, a feed-in signal and a feed-out signal are also transmitted from the copying machine body 3 side. By inputting these signals, the RDH 9 side gives priority to the feedout process. Therefore, in this process, first, as shown in FIG. 36, the eighth switching claw 261 is switched to close the conveyance path 257 along the turn roller 227 and open the document return conveyance path 225. At the same time, the shifting roller 235 is turned on to prepare the document for feeding, the conveyance motor is turned on, and then the belt motor is rotated in the reverse direction. As a result, the document transport belt 223 rotates in the opposite direction, and the document is discharged from the contact glass 7, that is, the feed-out is started. Then, the turn roller 227 is rotated in the reverse direction, and when the leading edge of the document is detected by the registration detection sensor,
The paper feed clutch is engaged, the calling roller 233 is turned on, and the document feed-in is started.

Next, after the leading edge of the original document being fed in is detected by the leading edge detection sensor, after a preset D time, when the leading edge of the original comes just before the turn roller 227, the closing roller 235 is stopped. , Stop the paper feeding operation once. This is because the pressing roller 233 for pressurizing the calling roller 233 also functions as a pressing roller for the discharged paper at the time of sheet feeding. During this time, the feed-out operation is continued, and the time I when the trailing edge of the document to be ejected has passed the registration detection sensor.
At the timing of, the discharge sensor is turned on, the eighth switching claw 261 is switched to the side where the conveying path 257 on the turn roller 227 side is opened and the document returning conveying path 225 side is closed, and the paper feed clutch is turned on and turned. Roller motor forward rotation,
Belt motor is stopped. Then, after the leading edge of the fed document is detected by the registration detection sensor,
When the preset B time elapses, the belt motor rotates in the normal direction to rotate the document conveying belt 223 in the normal rotation direction, and the document is fed into the contact glass 7.

On the other hand, when the discharge detection sensor detects the discharge of the document to the document setting table, the shift roller 235 is turned ON for the alignment of the discharged document after the elapse of time E,
The turn roller motor is turned off, the paper discharge clutch for the shifting roller 235 is turned off to align the discharged originals, and at the same time, the paper supply / discharge motor is also turned off. After that, when C time has passed since the turn roller motor was turned off, the belt motor is turned off.
When there is no original to be re-fed, the timing chart of timing 3 in FIG. 90 is entered.

At the timing of timing 3 shown in the timing chart of FIG. 90, when the feed-out signal from the copying machine main body 3 side is received, the eighth switching claw 261 is switched, and the original conveying path 257 along the turn roller 227 is switched. Is closed, and the original return transport path 225 is opened. At the same time, the approach roller 235 is turned off, and then the belt motor starts reverse rotation. As a result, the original is discharged from the contact glass 7, the feeding motor is turned on, and the turn roller 2 is turned on.
27 starts reversing. When the registration detection sensor detects the leading edge of the document in the discharge direction (the trailing edge of the document), the trailing edge of the fed-out document has reached the registration detection sensor position. At the timing when the detection sensor detects the trailing edge of the document in the ejection direction, the ejection detection sensor is turned on, and both the turn roller motor and the belt motor are turned off.
After N and F hours, turn off the paper discharge clutch and supply / discharge motor.
Align the documents after they have been ejected.

Although there is no description in these timing charts when aligning the originals on the original set table 217 due to the feed-out, the jogger fence 23
Alignment can also be performed by linking 1 with each other.

8.9 Original Size Detection Processing In the original size detection (APS), the width of the original is detected by the size detection sensor, and the length is turned on by the registration detection sensor.
This is done by counting the number of pulses in time. Width detection is performed for documents with the same length but different widths. Then, according to the combination of these widths and lengths, the document size is determined by the procedure shown in the flowchart of FIG. 91,
The copying machine body 3 at the timing of turning off the registration detection sensor
It is sent to the side as size data.

In this process, first, the length of the document is 406.
It is checked whether the length is longer than mm (step S50).
1). If this check is long, it is A3 (vertical) size as can be seen from the explanatory diagram of FIG. 92 (step S50).
2). If it is 406 mm or less, it is 3 in step S503.
Check if it is longer than 06 mm. If it is long, it is B4 (vertical) size (step S504). If the length is 306 mm or less, 293 mm
Check whether it is longer than (step S505),
If it is long, it is A4 (vertical) size (step S50).
6) If it is 293 mm or less, it is further checked whether it is longer than 250 mm (step S507). In this check, if it is longer than 250 mm, B5 (vertical)
If it is 250 mm or less, it is further checked whether it is longer than 200 mm (step S509). If it is longer, it is further checked whether or not the size detection sensor (the sensor attached at the position clearly indicated as the document width detection attachment position in FIG. 92) is ON (step S510). If the size detection sensor is ON in this check, it is A4 (horizontal) (step S511), and if it is OFF, it is A5 (vertical) (step S512). In the check of step S509, the length of the document is 200 mm or less. And further step S51
In step 3, it is checked whether the document length is longer than 182 mm. If it is 182 mm or less in this check, A5
It is determined to be (horizontal) (step S514), and if it is long, it is further checked whether the size detection sensor is ON (step S515). If it is ON, there is a portion longer than the installation position of the size detection sensor, so it is B5 (horizontal) as can be seen from FIG. 92 (step S516), and if it is not ON, it is B6 (vertical). Yes (step S517).

8.10 Jogger Home Return Process As described above with reference to FIG. 27, the jogger of the RDH 9 is provided with a pair of jogger fences 231h and 231v for aligning the documents in the horizontal and vertical directions, respectively. The jogger motors 265h and 265v are driven via wires 267h and 267v, respectively. These jogger fences 231 are temporarily saved in the initial state and when the job is completed. At this time,
The jogger counter is set to "0" and its retracted position becomes the reference position for jogging. This processing will be specifically described with reference to the flowchart in FIG.

In this process, first, the jogger home return flag is checked (step S521). If the jogger home return flag is "1" in this check, the jogger fence 231 is in the state of returning to the home position position, so this time, the jogger home position sensor constituted by the photo interrupter is at the "H" level. Is checked (step S522). If it is not at "H" level, it means that the jogger fence 231 has not returned to the detection position of the jogger home position sensor, that is, the home position, so step S52.
In step 3, the jogger reverse flag is set to "0", the jogger forward flag is set to "1", and the rising signal of the jogger home position sensor is confirmed in step S524. If the detection signal of the jogger home position sensor rises, the jogger fence 231 is set. It drives in the return direction for 5 pulses (step S525), sets the jogger reverse flag to "0" (step S526), and returns to the home position.

On the other hand, when the jogger home position sensor is at the "H" level in the check in step S522, the jogger fence 231 has returned to the home position, so the jogger reverse flag is set to "0",
Set the jogger forward flag to "1" (step S
527), the falling signal of the jogger home position sensor is confirmed (step S528), and if the jogger home position signal falls, the jogger forward flag is set to "0" (step S529) and the jogger counter is reset (step S530). ) Set the jogger home return flag to "0" (step S53)
1).

Incidentally, the relationship between the jogger fence 231 and the jogger home position sensor is as follows.
The moment when 31 passes through the home position sensor, it becomes the home position of the jogger fence 231. Jogging of a document is controlled by the numerical value of the jogging memory of the jogger counter. Further, as described above, the jogger fence 231 includes the horizontal jogger fence 231h and the vertical jogger fence 231v, but since both have the same operation and processing method, the reference numeral 231 generally indicates both. .

8.11 Jogging Standby Process of Jogger When a document is sent from the finisher 11, the sheet size data detected by the size detection sensor on the finisher 11 side is sent from the copying machine main body 3 side. The sheet size data moves the jogger fence 231 to the jogger standby state. The jogger standby state is a position of the sheet size length + α, and the skew of the document to be jogging and the lateral registration are adjusted. This process is shown in the flowchart of FIG.

In this process, first, the acceptance OK flag indicating that the document is fed from the finisher 11 side is "1".
(Step S541), the jogging flag indicating that jogging is being performed is not “1” (step S542), and there is data of the sheet size of the document to be jogging (step S543). , Jogging data is selected from the sheet size data by referring to the data table (step S544-).
Standby state). Then, jogging data is put into the jogging memory (step S545), and it is checked whether the value of the jogger counter is equal to the value of the jogging memory (step S546).

If the values of both companies are equal in the check in step S546, both the jogger reverse flag and jogger forward flag are set to "0" (step S54
7) The value of the jogging memory is put in the jogger counter (step S548). If the value of the jogger counter and the value of the jogging memory are not equal in the check of step S546, the value of the jogger counter is further compared with the value of the jogging memory (step S54).
9) If the value of the jogger counter is larger than the value of the jogging memory, set the jogger reverse flag to "1",
The jogger forward flags are set to "0" (step S550), and the jogger counter is decremented according to the jogger drive pulse (step S). If the value of the jogger counter is not larger than the value of the jogging memory in the check of step S549, the jogger reverse flag is set to "0" and the jogger forward flag is set to "1" (step S552), and the jogger drive pulse is set. In addition, the jogger counter is added (step S553).

The sheet size data in step S543 is the same as the finisher 11 transmitted to the copying machine main body 3 side.
Is data that the main body 3 of the copying machine further transmits to the RDH 9 side. Further, regarding the detection of the sheet size data, a sensor having the same shape as the document size detection in the registration detection unit of the RDH 9 may be provided in the RDH discharge sensor unit.

8.12 Jogging Processing of Original Document The jogger fence 231 set in 8.11 performs the jogging operation on the basis of the time point when the original document passes through the paper discharge sensor. At the same time, the pulling roller 235 also comes into contact with the discharged original and is driven in a direction to pull the original. The specific processing procedure is shown in the flowcharts of FIGS. 95 and 96.

In this process, first, the document acceptance OK flag is checked (step S561), and if the document acceptance is OK, the fall of the document ejection sensor is checked (step S562). Then, as also shown in the timing chart of FIG. 97, the 0.1 second timer and the 0.3 second timer are started under the condition that the document discharge sensor falls (step S563), and the offset roller solenoid 239 is turned on. The contact roller 235 is lowered (step S564), the jogging flag is set to "1" (step S565), 1 is added to the document number data (step S566), and the data is transmitted to the copying machine body 3 side.

In the processing of FIG. 96, the jogging flag is checked (step S571), and if the jogging flag is "1", the 0.25 second timer counts as shown in the timing chart of FIG. It is checked whether it is up (step S572), and if it is up, the 0.1 second timer and the 0.25 second timer are stopped and cleared (step S573), and the jogging flag is set to "0" (step S573). S574) End the jogging, turn off the approach roller solenoid 239 (step S575), and pull up the approach roller 235.
Separate from the original.

On the other hand, if the 0.25 second timer is not counted up in step S572, it is checked whether or not the 0.1 second timer is counted up (step S5).
76) If it is counted up, the jogging data on the data table is selected from the size data transmitted from the copying machine main body 3 side to perform jogging (step S5).
77), jogging data is stored in the jogging memory (step S578). Then, the value of the jogger counter is compared with the value of the jogging memory (step S57).
9) If they are not equal, the value of the jogger counter is further compared with the value of the jogging memory (step S5).
80). In this check, when the value of the jogging counter is larger than the value of the jogging memory, the jogger reverse flag is set to "1" and the jogger forward flag is set to "0" (step S581), and the jogger counter is set in accordance with the jogger drive pulse. Subtract (step S582).

When the jogger counter is not larger than the jogging memory in the check in step S580, the jogger reverse flag is set to "0" and the jogger forward flag is set to "1" (step S583).
The jogger counter is incremented according to the jogger drive pulse (step S584).

8.13 Document Feeding Process from Document Feeder to Finisher When returning the document from the RDH 9 to the finisher 11,
Processing is performed according to the procedure shown in the flowcharts of FIGS. 98 and 99. In this process, first, it is checked whether the mode reception data is "2" (step S591),
If it is "2", it is checked whether the document discharge flag is "1" (step S592). If it is "1", the feeding flag is checked (step S593),
If the feeding flag is "1", the count-up of the timer 1 indicating the ON time of the paper feed clutch is checked (step S594). If the timer 1 counts up in this check, the paper feed clutch is turned off (step S595), and it is checked whether the timer 2 indicating the repeat timing is counting up this time (step S596). If the timer 1 has not counted up in step S594, step S59.
5 is skipped and the process of step S596 is executed.

If the timer 2 is counted up in the check in step S596, the timer 1 and the timer 2 are cleared and stopped (step S597), and 1 is added to the document number data (step S598). Then, the document number data is transmitted to the copying machine main body 3 side (step S59).
9) Check ON / OFF of the document set detection sensor (step S600). If the original set detection sensor is ON in this check, timer 1 and timer 2 are started (step S601), and the process returns and step S
If the check is OFF at 600, the process directly returns.

If the feeding flag is not "1" in the check of step S593, the feeding / discharging motor and the turn roller are turned on (step S602), the feeding clutch is turned on (step S603), and the original is fed. After sending and setting the feeding flag to "1" (step S604), the timer 1 and the timer 2 are started (step S60).
1).

On the other hand, when the document discharge flag is not "1" in step S592, the paper feed / discharge motor is turned on.
/ OFF3 is checked (step S605), and if it is not ON, the closing roller solenoid 239, the sixth and seventh switching pawl solenoids are turned OFF, and the fifth switching pawl solenoid is turned ON to allow the document to be ejected ( Step S6
09), the number-of-documents data is set to "0". If the paper feeding / discharging motor is ON in the check in step S605,
The feeding / discharging motor and the turn roller motor are turned off (step S606), the feeding flag is set to "0" (step S607), and the shift roller solenoid 239 and the fifth switching claw solenoid are turned off.

8.14 Preprocessing of Document Feeding from Finisher to Document Feeder When a document is fed from the finisher 11 to the RDH 9, it is processed according to the flowchart of FIG. That is, since the original cannot be accepted unless the RDH original acceptance flag is "1" (step S611), when the original acceptance flag is "1", the acceptance OK flag is checked to see if the original can be accepted (step S61).
3). If the acceptance OK flag is "1", it means that the original can be accepted, and therefore the document is awaited as it is. If the acceptance OK flag is not "1", the acceptance ready flag is checked (step S613). If the acceptance ready flag is "1", the preparation for accepting the original is completed, and the process returns. If it is not "1", the acceptance ready flag is set to "1" (step S6).
14, the fifth switching claw solenoid and the sixth switching claw solenoid are turned on to open the document conveyance path from the finisher 11 side (step S615), and the shift roller solenoid 23
9 is turned off, the shifting roller 235 is separated from the original setting table 217 side (step S616), and the jogger home return flag is set to "1" (step S61).
7).

8.15 Document Feeding Process from Finisher to Document Feeding Device When the pre-process of 8.14 is completed, the motor is turned on and the document can be carried in. The treatment procedure at this time is shown in the flowcharts of FIGS. 101 and 102.

In this process, first, when the RDH original acceptance flag is received (step S621), the jogger home return flag is checked (step S622).
If the jogger home return flag is "1", the jogger fence 231 is set so as to return to the home position, and therefore returns. Check if it is ON (step S
623). If it is ON, the process returns. If it is not ON, the supply / discharge motor, the turn rotor motor, and the discharge clutch are each turned on (step S624), and the receiving O is accepted.
The K flag is set to "1" (step S625), the document number data is cleared (step S626), the acceptance ready flag is cleared (step S627), and the process returns.

RDH indicating the end of acceptance from the copying machine main body 3 side
When the original acceptance flag “0” is received, the motor is stopped and the acceptance is completed. Specifically, as shown in the flowchart of FIG. 102, this process checks the RDH original acceptance flag (step S631), and if not "1", further checks the acceptance OK flag (step S632).
If the acceptance OK flag is "1" in the check in step S632, it is set to "0" (step S633), and the feeding / discharging motor, the turn roller motor and the discharging clutch are turned off.
Set to F (step S634).

9. Control Regarding Finisher 9.1 Initial Processing The processing procedure of the initial processing of the finisher 11 is shown in FIG.
3 shows. In this process, first, in step S641, a subroutine for clearing each port, the contents of RAM, the flag, and the counter to initialize them is executed. Then, the finisher connection flag is set to "1" (step S642), and transmission / reception is performed with the copying machine main body 3 side (step S643). Thereafter, the bin home request flag is set to "1" to return the bin 37 to the home position (step S644), and the initial process is executed (step S645).

The initial processing in step S645 is a stapler needle end flag that becomes "1" when the stapler needle end, a stapler door open flag that becomes "1" when the stapler door is open, and a "1" when the finisher door is open. Finisher door open flag, original jam flag that becomes “1” when there is paper in the document transport path, finisher jam flag that becomes “1” when there is paper in the transfer paper transport path, and “1” when there is paper in the staple tray Staple tray remaining paper flag, which is “1” when there is remaining paper in 20 bins, and jogger home return flag which is “1” when moving the jogger fence to the home position. This is the process of initialization.

9.2 Motor ON Processing As shown in the flowchart of FIG. 104, this processing checks whether or not the motor ON flag is "1" (step S651). If it is not "1", the finisher 11 The motor provided in the
652), if it is "1", the motor is turned on (step S653).

In addition to the processing of FIG. 104, the motor ON processing includes the processing shown in the flowchart of FIG. 105. In this process, first, it is checked whether the document return flag is "1" (step S661), and if it is "1",
The motor is rotated in the paper discharge direction (step S662).
If it is not "1", the document feeding flag is further checked (step S663). If it is "1", the motor is rotated in the paper feeding direction (step S664). If it is not "1", the motor is turned off. Stop (step S66)
5). The motor is controlled to have a linear velocity equivalent to that on the copying machine main body 3 side when the transfer sheet is conveyed, and to a linear velocity equal to that on the RDH 9 side when the document is conveyed.

9.3 Jogger Home Return Process The jogger fence 61 provided on the staple tray 55 is basically controlled in the same manner as the jogger fence 231 provided on the original setting table 217 of the RDH 9. The specific processing procedure is shown in the flowchart of FIG. In this process, first, the jogger home return flag is checked (step S671). If the jogger home return flag is "1" in this check, it means that the jogger fence 185 is returned to the home position position, and thus the jogger home position sensor 215 constituted by the photo interrupter is "H". It is checked whether the level is reached (step S672). If it is not at "H" level, it means that the jogger fence 185 has not returned to the detection position of the jogger home position sensor 215, that is, the home position, so step S673.
Then, the jogger reverse flag is set to "0", the jogger forward flag is set to "1", and the rising signal of the jogger home position sensor 215 is confirmed in step S674. If the detection signal of the jogger home position sensor 215 rises, the jogger fence 185 Is driven in the backward direction by 5 pulses (step S675), and the jogger reverse flag is set to "0" (step S67).
6) Return to the home position.

On the other hand, when the jogger home position sensor 215 is at the "H" level in the check in step S672, the jogger fence 185 has returned to the home position, so the jogger reverse flag is set to "0" and the jogger forward is set. The flag is set to "1" (step S677), and the jogger home position sensor 2
Check the falling signal of 15 (step S678),
If the detection signal of the jogger home position sensor 215 falls, the jogger forward flag is set to "0" (step S679), the jogger counter is reset (step S680), and the jogger home return flag is set to "0" (step S681). .

The relationship between the jogger fence 185 and the jogger home position sensor 215 is the home position of the jogger fence 185 when the jogger fence 185 leaves the home position sensor 215. Jogging of a document is controlled by the values in the jogger counter and jogging memory. Further, as described above, the jogger fence 185 includes the forward jogger fence 185f and the backward jogger fence 185b, but since both have the same operation and processing method, the reference numeral 185 generally indicates both. It was

9.4 Jogger Fence Standby Processing In this processing, the jogger fence 185 is set to the sheet size + α.
This is a process of setting the position to and waiting for the sheet to be discharged. Specifically, the processing is performed according to the flowcharts shown in FIGS. 107 and 108.

In this processing, the jogging flag is "1".
If the mode reception data is 6 (step S692), the sort mode flag, the stack mode flag, and the tray mode flag are set to "0", and the staple mode flag is set. Is set to "1" (step S69)
3). If there is seed size data (step S694), the position of the jogger fence 185 can be set. Therefore, the jogging data is selected from the sheet size data and the data table (step S695), and the jogging data is stored in the jogging memory (step S69).
6) The value of the jogger counter is compared with the value of the jogging memory (step S697). If they are equal, the jogger reverse flag and jogger forward flag are set to "0" (step S698), and the value of the jogging memory is put in the jogger counter (step S69).
9).

On the other hand, if the value of the jogger counter and the value of the jogging memory are not equal in the check in step S697, the value of the jogger counter is further compared with the value of the jogging memory (step S700). If the value of the jogger counter is larger than the value of the jogging memory, the jogger reverse flag is set to "1" and the jogger forward flag is set to "0" (step S70).
1), the jogger counter is decremented according to the jogger drive pulse (step S702). Also, step S7
If the value of the jogger counter is not larger than the value of the jogging memory by checking 00, the jogger reverse flag is set to "0" and the jogger forward flag is set to "1" (step S703), and the jogger driving pulse is synchronized with the jogger driving pulse. The counter is incremented (step S70)
4).

9.5 Jogging Process on Staple Tray This process is a process of moving the jogger fence standing by in 9.4 to the sheet size and moving the transfer paper to the bin fence 123 side by the aligning roller for alignment. is there. Specifically, it is performed according to the procedure shown in the flowcharts of FIGS. 109 to 111.

In this processing, first, it is checked whether the mode reception data is 6 (step S711). Then, it is confirmed that it is 6, and the trailing edge of the sheet ejection sensor is checked (step S712). If it is trailing, it indicates that the transfer sheet is ejected. Step S713),
The 0.1 second timer and the 0.25 second timer are started (step S714). The timing at this time is shown in FIG.
7 is the same as the timing chart.

When the timer is started in step S714, the jogging flag is set to "1" to set the jogging state (step S715), the sheet discharge flag is set to "1" to discharge the transfer paper (step S716), and the copying machine main body 3 After sending the flag to the side (step S717), the sheet discharge flag is set to "0" to stop the discharge of the transfer sheet (step S718), and the stopper solenoid 195 is turned off.
Then, the bin fence 123 is stood up to hold the discharged transfer paper on the staple tray 55 (step S71).
9). If the sheet ejection sensor is not lowered in the check in step S712, the ejection of the transfer sheet is not completed, so the stopper solenoid is turned off.
Then (step S719), the bin fence 123 is set up.

When the transfer paper is placed on the staple tray 55 in this way, the staple flag is checked this time (step S721). If the staple flag is "1", stapling is being executed, so the process returns. If the staple flag is "0", it is further checked whether or not the jogging flag is "1" (step S722). . If the jogging flag is not "1" in this check, it means that the condition is not jogging, so it returns and if it is "1". It is checked whether or not the 025 second timer that sets the OFF timing of the approach roller solenoid 195 and the return start timing of the jogger fence 185 is counted up (step S723). If the count is counted up in this check, it means that the jogging has ended, so the approach roller solenoid 195 is turned on, and the 0.1 second timer that sets the timing of the operation start of the jogger fence 185 in the forward direction, and the 0 The 25-second timer is stopped and cleared (step S724), the jogging flag is set to "0" (step S725), and the contact roller solenoid is turned off (step S726). On the other hand, if it is determined in step S723 that the 0.25 second timer has not counted up, the 0.1 second timer is counted up (step S727). If not, the jogger fence 185 moves in the forward direction. Since it has not moved yet, the routine returns and if the count is up, jogging data is selected from the data table according to the sheet size data to perform jogging (step S72).
8) Then, jogging data is stored in the jogging memory (step S729). Then, the value of the jogging counter is compared with the value of the jogging memory (step S73).
0), if it is equal, jogging has ended, so the process returns. If they are not equal, the value of the jogger counter is compared with the value of the jogging memory (step S731). If the value of the jogger counter is larger than the value in the jogging memory by this comparison, the jogger reverse flag is set to "1" and the jogger forward flag is set to "0" (step S732). The jogger counter is subtracted according to the jogger drive pulse. Then (step S733), the process returns. If the value of the jogger counter is not larger than the value of the jogging memory in step S731, the jogger reverse flag is set to "0" and the jogger forward flag is set to "1" (step S734), and the jogger counter is synchronized with the jogger drive pulse. Is added (step S735) and the process returns.

9.6 Staple Processing When the jogging processing is completed in 9.5, the transfer paper can be stapled by the stapler. This stapling process is performed by the following procedure.

The jogger fence 185 moves the transfer sheet to the stapling position.

-Turn on the staple motor to execute the stapling operation.

When the stapling is completed, the stopper solenoid is turned off and the discharge roller 203 is rotated to discharge the stapled transfer paper to the stack tray 57.

When the transfer paper is discharged to the stack tray 57, a "copy drop OK flag" is transmitted to the copying machine main body 3 side to indicate the end of the job.

This processing procedure is concretely shown in the flow charts of FIGS. 112 to 114. In this process, first,
Check the staple flag (step S741),
If the staple flag is not "1", the staple execution flag is set to "0" (step S742) and the process returns. If the staple flag is "1", it is checked whether the staple motor is turned on (step S743). If it is not ON in this check, stapling is not being executed, so it is checked whether the stapling flag is "1" (step S744). If it is not "1", the timer for 3 seconds is further started. It is checked whether or not there is (step S745). If the 3 second timer is not started by this check, the jogging data is selected from the sheet size data by referring to the data table to set the stapling state (step S746), and the jogging data is stored in the jogging memory (step S74).
7) The stapling flag is set to "1" (step S748). Then, it is checked whether or not the value of the jogging counter is equal to the value of the jogging memory (step S749). If they are equal, jogging is completed, so the jogger reverse flag and jogger forward flag are set to "0" (step S749). S750) Turn on the staple motor and the closing roller solenoid 201.
(Step S751), and stapling is executed.

After executing the processing of step S751, it is checked whether or not the staple motor home position sensor is ON (step S752). If it is ON, the staple motor is turned off (step S75).
3) The stopper solenoid 195 is turned on (step S754), the bin fence 63 is set up, the discharge roller clutch is turned on (step S755), the discharge roller 203 is driven, and the 3-second timer for jam check is started. (Step S756) and the process returns. If the staple motor home position sensor is not ON in step S752, the process directly returns.

On the other hand, if the values of the jogger counter and the jogging memory are not equal in the check of step S749, the value of the jogger counter is compared with the value of the jogging memory in step S757, and the value of the jogging memory is larger than the value of the jogger counter. For example, the jogger reverse flag is set to "0" and the jogger forward flag is set to "1" (step S758), and the jogger counter is incremented according to the jogger drive pulse (step S75).
9) Return. If the value of the jogging memory is not larger than the value of the jogger counter checked in step S757, the jogger reverse flag is set to "1", the jogger forward flag is set to "0" (step S760), and the jogger drive pulse is set. In addition, the jogger counter is subtracted (step S761) and the process returns.

If the 3-second timer is started in step S745, the sheet release sensor is turned ON / OF.
F is checked (step S762), and if it is ON, it is confirmed whether there is transfer paper on the staple tray 55, that is, whether there is a jammed transfer paper (step S76).
3). If there is no jam, the copy drop OK flag is set to "1" (step S764), the stopper solenoid 195 is turned on to lower the bin fence 123 (step S765), the discharge (half-month) roller clutch is disengaged, and the shift roller solenoid 201 Is turned off (step S76
6) Stop and clear the 3 second timer (step S76
7) Return. When stopping the discharge roller 203 in step S766, the discharge roller 203 is stopped at a position where the flat portion 211 of the discharge roller 203 is parallel to the bottom plate 187 of the staple tray 55. Although not shown, a home position sensor for the discharge roller is provided to detect this parallel position.

9.7 Transport Path Switching Processing In this processing, the finisher 11 switches the transport path according to the mode data transmitted from the copying machine main body 3 side.
The transfer paper is stored in any of the (sort, stack) bin 37, the copy (proof) tray 39, and the staple tray 55. Specifically, FIGS.
The process is as shown in the flowchart of FIG.

In this processing, first, the mode reception data is checked (step S771). The mode reception data is transmitted from the copying machine main body 3 side to the finisher 11 side with the following code.

Copier finisher (mode received data) 000 Dummy data 001 Sort 010 Stack 011 Copy (proof) tray 100 Staple tray 101 Original feeding mode (finisher to RDH) 110 Original feeding mode (RDH to finisher) 111 Not used Therefore, if the mode reception data is "0" in the check in step S771, it is dummy data, and the process returns. If it is not "0", it is checked in step S772 whether the mode reception data is "1". If it is "1" in this check, it means the sorting mode, so the ninth switching claw 39
The solenoid for driving 7 is turned on, and the tenth switching pawl 40
The solenoid driving 1 is turned off (step S77
3) First transfer paper transport path 47 and sheet transport path 135
Open and transport to the bin 37 side as shown in FIG.
Sort mode flag is "1", stack mode flag,
The (copy) tray mode flag and the staple mode flag are set to "0" (step S7).
74) Return.

If the mode reception data is not "1" in the check in step S772, it is checked in step S775 whether the mode reception data is "2". If it is "2" in this check, it means the stack mode, so
Turn on the solenoid that drives the switching claw 397 of
The solenoid for driving the switching claw 401 is turned off (step S776) to open the first transfer sheet conveying path 47 and the sheet conveying path 135, and the sheet is conveyed to the bin 37 side as shown in FIG. "0", stack mode flag is "1", (copy) tray mode flag,
Then, the staple mode flag is set to "0" (step S777), and the process returns.

If the mode reception data is not "2" in step S775, it is further checked in step S778 whether the mode reception data is "3". If it is "3", it means the copy (proof) tray mode, so the solenoids for driving the ninth and tenth switching pawls 397, 401 are turned off (step S77).
9), as shown in FIG. 30, the second transfer sheet conveying path 49 is opened to convey the transfer sheet to the copy tray 55 side, and the sort mode flag, the stack mode flag, and the staple mode flag are set to “0” (copy). ) The tray mode flag is set to "1" (step S780) and the process returns.

If the mode reception data is not "3" in the check in step S778, it is checked in step S781 whether the mode reception data is "4". If it is not "4", the process returns, and if it is "4", the stapling is performed. Since this is the mode, the solenoid that drives the ninth switching claw 397 is turned off.
Then, turn on the solenoid that drives the tenth switching claw 401.
Then, as shown in FIG. 33, the second and third transfer sheet conveying paths 49 and 51 are opened to convey the transfer sheet to the staple tray 55 side (step S782), and the sort mode flag, stack mode flag, (copy ) The tray mode flag is set to "0" and the staple mode flag is set to "1" (step S783), and the process returns.

9.8 Bin Operation The bin 37 moves up and down using the helical wheel 137 as described above. The control of this operation is basically the same as that of a conventional sorter using a helical cam. That is, in the sort mode, the bin 37 is moved up / down by the bin up flag and the bin down flag each time the sheet is discharged. In the stack mode, the bin position data transmitted from the copying machine body 3 side is compared with the value of the bin counter to determine whether the bin 37 is up or down. Specifically, the procedure is as shown in the flowchart of FIG. 117.

In this operation, the bin counter is provided on condition that the mode is the sort mode (step S791), the bin home request flag is not "1" (step S792), and the sheet is discharged (step S793). It is checked whether the count value of 1 is "1" (step S794), and if the count value is not "1", it is checked whether the bin counter and the bin position data are equal (step S795). Then, if the value of the bin counter and the bin position data are equal, it is checked whether or not the bin rising flag is set to "1" and the bin 37 is raised (step S796), and the bin is raised. If so, the bin up flag and the bin down flag are both set to "0" and the bin 37 is stopped (step S7).
97) If it is not rising, the bin rising flag is set to "0" and the bin lowering flag is set to "1" to set the bin in the descending state (step S798) and the process returns. if,
If the value of the bin counter and the bin position data are not equal in step S795, the bin 37 has not moved to a predetermined position, and therefore the process returns to continue the operation.

On the other hand, if the value of the bin counter is "1" in step S794, the bin lowering flag is further checked (step S799), and it is "1".
Is in the descending state, the process of step S797 is executed to stop the bin 37, and if it is not "1", the bin rising flag is set to "1" and the bin descending flag is set to "0" (step S800. ), Raise the bottle and return. In the process of step S793, a delay time after sheet ejection may be set.

9.9 Process for Transporting Document from Finisher Side to RDH This process is a process for transporting a document from the finisher 11 side to the RDH 9 side in response to data reception from the copying machine body 3 side. The procedure is shown in the flowcharts of FIGS. 118 to 123.

In this process, first, FIGS.
As shown in 20, when data is received from the copying machine body 3 side (step S801), it is confirmed whether or not the mode reception data is "5" or "6" as shown in 9.7 (step S802). Then, if it is "5" or "6", it is checked whether the value of the bin counter and the value of the bin position data are equal (step S803), and if they are equal, it is confirmed whether the mode reception data is "5" (step S803). S804). If it is not "5", both the bin up flag and the bin down flag are set to "0" (step S805), and the contents of the bin counter are transmitted to the copying machine body 3 side (step S806). If the mode reception data is "5", it is checked whether the timer 1 for setting the delay time of the bin stopper solenoid 195 has started (step S807). If not, the bin stopper solenoid 195 is turned on. The bin fence 63 is tilted down (step S808), the timer 1 is started (step S809), both the bin up flag and the bin down flag are set to "0", and the movement of the bin is stopped (step S810).

Next, it is checked whether or not the timer 1 is counting up (step S811), and if it is counting up, the bin rising flag is set to "1" to put the bin 37 in a rising state (step S812). It is checked whether or not it has increased by 1/2 bin (step S
813). If this check does not result in a 1/2 bin increase, it returns. If it has, the bin increase flag is set to "0".
(Step S814) to stop the rising of the bin 37, set the bin feeding flag to "1" to feed the originals on the bin 37 (step S815), and set the contents of the bin counter to the copying machine main body. 3 side (step S81
6) After that, the timer 1 is stopped and cleared (step S81).
7). Note that when the timer 1 is not counting up in step S811, and in step S813
If it has not risen by the bin, it returns as it is. If the timer 1 has not started in step S807, the process skips to step S811 and the subsequent processes are executed.

On the other hand, if the value of the bin counter and the value of the bin position data are not equal in step S803, the retraction solenoid 93 is turned on (step S818), the pickup roller 73 is retracted, and the bin feed flag is set. Check whether it is "1" (step S)
819). If it is not "1", the value of the bin counter is compared with the bin position data (step S820). If the value of the bin counter is large, the bin up flag is set to "0" and the bin down flag is set to "1" (step S820). S821) If not larger, set the bin rising flag to "1" and the bin falling flag to "0" and return. If the bin feeding flag is "1" in the check in step S819, the bin feeding flag is set to "0" (step S823).
The bin home request flag is set to "1", the bin 37 is set to return to the home position (step S824), and the process returns.

When the mode reception data is "5" (step S831), the bin-up paper feeding flag is checked (step S832) and the bin-up paper feeding flag is set to "step S831", as shown in the flowchart of FIG. If it is not "1", the process returns. If it is "1", it is further checked whether there is a sheet on the bin (step S833). And
If there is a sheet, the original set flag is set to "1" (step S
834), if there is no sheet, the original set flag is set to "0" (step S835), and the original set flag is transmitted to the copying machine main body 3 side (step S836) and the process returns. If step S831
If the mode reception data is not 5 in the check of, the on-paper feeding flag is checked (step S837), and “1” is set.
If it is not "1", the bin paper feed flag is set to "0" (step S838) and the bin home request flag is set to "1" (step S839).

The original set in this way is shown in FIG.
22 and the processing procedure shown in the flowchart of FIG. 123. That is, first, the document feeding flag is checked (step S841), and if the document feeding state is set, the mode receiving mode is confirmed (step S542). In this check, if the mode reception data is 5 and the document is in the mode of being conveyed from the finisher 11 to the RDH 9, the paper feeding flag is checked (step S843). If paper is being fed, the timer 1 counts up. It is checked whether or not (step S84)
4). The time set by the timer 1 is the time during which the pickup solenoid 81 is ON, as can be seen from the timing chart of FIG. Step S84
If the timer 1 is counting up in step 4, the pickup solenoid 81 is turned off (step S845), and it is checked whether the timer 2 is counting up (step S846). If the timer is not counted up in step S844, step S845 is skipped and the timer 2 counts up (step S844).
846). The timer 2 is a timer for setting the time for turning on the paper feed clutch that controls the drive of the paper feed / discharge roller 83. If the timer 2 counts up in step S846, the paper feed clutch is turned on (step S847), and the count-up of the timer 3 is checked (step S848). If step S846
If the timer 2 is not counting up in step S, step S
847 is skipped and the process of step S848 is executed. The time set by the timer 3 is the timing at which the paper feed clutch is disengaged.

If the timer 3 has counted up in the check in step S848, the paper feed clutch is disengaged (step S849) and the timer 4 counts up (step S850). If step S848
If the timer 3 is not counted up in step S849, step S849 is skipped and the timer 4 is counted up (step S850). The timer 4 is a timer for setting repeat timing. Therefore, if the timer 4 does not count up in step S850, the process returns, and if it does, the timers 1, 2, 3, 4 are stopped and cleared (step S85).
1), and 1 is added to the document number data (step S85
2) The original set flag indicating whether or not the original is set on the bin 37 is checked (step S85).
3). If the original set flag is not "1" by this check, no original is set on the bin 37.
The number data and the document set flag are transmitted to the copying machine main body 3 side (step S854), the feeding flag is set to "0" (step S855), and the retract solenoid 93 is turned on.
And the pickup roller 73 is retracted (step S
856).

On the other hand, if the feeding flag is not "1" in step S843, the document set flag is checked (step S857). If the document is not set, the process proceeds to step S854, and thereafter. Execute the process. If the original is set, the retracting solenoid 93 is turned off to move the pickup roller 73 onto the original in the bin 37 (step S858), and the pickup solenoid 81 is turned off to separate the pickup roller 73 from the original. (Step S859) and the feeding flag is set to "1" (step S86).
0). Then, "0" is set to the number-of-documents data (step S861), timers 1 and 3, and timers 2 and 3.
4 is started (step S862), the pickup solenoid 81 is turned on to bring the pickup roller 73 into pressure contact with the document (step S863), and the process returns. The document can be fed by the operation of step S863.

If it is determined in step S853 that the document is set, the process skips to step S862 and the subsequent processes are executed.

9.10 Processing for Discharging Originals from RDH Side to Finisher Side This processing is to discharge the originals discharged from the RDH 9 side onto the bin 37. Specifically,
This is performed according to the procedure shown in the flowcharts of FIGS. 125 to 127.

In this process, the mode reception data is checked (step S871). If the mode reception data is 6, it means that the original is discharged from the RDH 9 side to the finisher 11 side. It is checked whether the values of the position data are equal (step S872), and if they are equal, the document return OK flag is checked (step S873). If the original return OK flag is "1" in this check and the original is ejected, the trailing edge of the bin ejection sensor is checked (step S874). If the original is ejected, timer 1 and timer 2 are checked. Is started (step S875), 1 is added to the document number data (step S876), and the number data and document return OK flag are transmitted to the copying machine main body 3 side. If the document return OK flag is not 1 in the check in step S873, the pickup solenoid 81 is turned off (step S878), the retract solenoid is turned off (step S879), and the document return OK flag is set to "1" (step S880). ) After the document number data is cleared (step S881), the number data and the document return OK flag are transmitted to the copying machine main body 3 side.

The timing set by the timer 1 is the timing at which the pickup solenoid 81 is turned on after the passage of the sheet is detected by the bin discharge sensor as shown in the timing chart of FIG.
The timing set by the timer 2 is the timing while the pickup solenoid 81 is ON.

After the sheets are discharged as described above, the discharged originals on the bin 37 are aligned. In this process, as shown in the flowchart of FIG. 126, the timer 2 is started (step S891), and it is confirmed that the timer 1 has counted up (step S892).
1 is turned on (step S893), and the manuscript is bin fence 1
23, and when the time preset by the timer 2 has elapsed (step S894), the pickup solenoid 81
Off (step S895), timer 1 and timer 2
Is stopped and cleared (step S896).

When this process is performed, the process shown in FIG.
As shown in the flowchart of FIG. 7, the original return flag is checked (step S901), and when the original has not been discharged, the mode reception data is checked (step S902) and the mode reception data is "5" or " If it is not 6 ", it is not the mode in which the pickup roller 73 is used, so the retracting solenoid 93 is turned on to retract the pickup roller 73 from between the bins 37.

When the document is conveyed from the finisher 11 to the RDH 9, size detection and document reversal are performed. The size is detected by a sensor provided at an arbitrary position in the transport path from the finisher 11 to the RDH 9 according to the flowchart of FIG. 91 described in the above section 8.9. The document inversion is performed as described in the section 2.2, 9.2 with reference to FIGS. 17, 18 and 19.

[0256]

As is apparent from the above description, the original placing table having a plurality of steps on which different originals can be placed at the same time, and the original placing table moving means for sequentially moving each step of the original placing table A document table driving means for driving the document table moving means, and a document table driving means for stopping one stage of the document table intermittently moving at the time of document feeding at a preset document feeding position. 2. The document control system according to claim 1, further comprising a drive control unit and a document feeding unit that carries out a document from the one stage of the document placing table stopped at a preset document feeding position and feeds the document to the image forming apparatus side. According to the invention, since the document can be fed by simply moving each stage of the document placing table intermittently, the mechanism is simplified, the size is small, and the reliability is high.

Further, the document placing table moving means intermittently moves the respective stages of the document placing table up and down, and further, at the preset document feeding position, widens the space between adjacent stages. According to the invention of claim 2 in which the moving position setting means for moving to the document feeding means side is provided, in addition to the effect of the invention of claim 1, each stage is provided only by the moving position setting means provided in the moving means. The position control can be easily performed.

Further, a document placing table composed of a plurality of stages on which different documents can be placed simultaneously, a document placing table moving means for sequentially moving each stage of the document placing table, and a document placing means for driving the document placing table moving means. Platen drive means, drive control means of the document table drive means for stopping one stage of the document table which is intermittently moved at the time of document feeding at a preset document feeding position, stopped at a document feeding position set in advance A document feeding unit configured by a document feeding unit that carries out a document from the one stage of the document placing table and feeds it to the image forming apparatus side, and the document feeding unit is detachable from the image forming apparatus main body. A document feeding unit mounting means to be attached to the document feeding unit, a document feeding unit for feeding the document fed by the document feeding unit to a preset position of the image forming apparatus, and a document feeding unit. According to the invention of claim 3, further comprising a document conveying unit mounting means for mounting the document on the image forming main body so as to be openable and closable, in addition to the effect of the invention of claim 1, according to the user's request or usage mode. The original feeding unit can be easily removed and the original conveying unit can be released easily, so that usability and operability can be improved.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an internal structure of a copying machine according to an embodiment.

FIG. 2 is a schematic configuration diagram showing an internal structure of a finisher according to an embodiment.

FIG. 3 is an operation explanatory view showing a contacting / separating operation of a pickup roller portion of a paper feeding / discharging portion.

FIG. 4 is an operation explanatory diagram showing a discharge operation of a transfer sheet in a pickup roller section of the sheet supply / discharge section.

FIG. 5 is an operation explanatory diagram showing a document discharge operation of a pickup roller unit of the paper supply / discharge unit.

FIG. 6 is an operation explanatory diagram showing a document feeding operation of a pickup roller unit of the paper feeding / discharging unit.

FIG. 7 is a main-portion plan view showing a mechanism of a pickup roller unit of the paper feeding / discharging unit.

FIG. 8 is an operation explanatory view showing the operation of the retreat lever in the paper feeding / discharging unit, and shows a state in which the retreat solenoid is ON and the pickup arm is retracted.

FIG. 9 is an operation explanatory view showing the operation of the retreat lever in the paper feeding / discharging section, showing a state in which the retreat solenoid is OFF and the pickup arm has advanced between the bins.

FIG. 10 is an operation explanatory view showing a moving state of the opening portion of the front side plate of the sorter and the pickup roller driving shaft.

FIG. 11 is an operation explanatory diagram showing a contact / separation operation of a pickup roller of a paper feeding / discharging unit with respect to a sheet.

FIG. 12 is a plan view of relevant parts showing a drive mechanism for a bottle stopper.

FIG. 13 is a side view of an essential part showing a drive mechanism of a bottle stopper.

FIG. 14 is a side view of essential parts showing the relationship between the helical wheel and the bin in the bin drive mechanism.

FIG. 15 is a plan view of relevant parts showing the relationship between the helical wheel and the bin in the bin drive mechanism.

FIG. 16 is a side view of the essential parts showing the relationship between the guide groove and the bin in the bin drive mechanism.

FIG. 17 is a schematic configuration diagram showing an internal structure of a document reversing unit of the finisher.

FIG. 18 is an operation explanatory diagram showing a state in which the document is conveyed in the direction of the reverse guide plate in the document reverse unit.

FIG. 19 is an operation explanatory diagram showing a state in which the document is conveyed in the RDH direction from the reversing guide plate in the document reversing unit.

FIG. 20 is an operation explanatory diagram showing a state in which the document discharged from the RDH is conveyed from the document reversing unit to the bin side.

FIG. 21 is a schematic configuration diagram showing a configuration of a staple tray.

FIG. 22 is an operation explanatory view showing the operation of the bin fence and the operation of the shifting roller in the staple tray.

FIG. 23 is a perspective view of essential parts showing a jogger fence and its drive mechanism in the staple tray.

FIG. 24 is an operation explanatory view for explaining the jogging operation in the staple tray.

FIG. 25 is an operation explanatory view for explaining a jogging operation in the staple tray.

FIG. 26 is an operation explanatory view for explaining the jogging operation in the staple tray.

FIG. 27 is a schematic configuration diagram showing an internal structure of RDH.

FIG. 28 is an enlarged view of a main part showing the internal structure around the turn roller of the RDH.

FIG. 29 is an enlarged view of an essential part showing the lock mechanism of the RDH pressure plate.

FIG. 30 is an explanatory diagram showing the flow of transfer paper during normal copying.

FIG. 31 is an explanatory diagram showing a flow of transfer paper for front side copying in the double-sided copy mode.

FIG. 32 is an explanatory diagram showing the flow of transfer paper in a sort mode and a stack mode.

FIG. 33 is an explanatory diagram showing the flow of the transfer paper when stacking the transfer paper on the staple tray in the staple mode.

FIG. 34 is an explanatory diagram showing the flow of the transfer paper when the transfer paper is discharged from the staple tray in the staple mode.

FIG. 35 is an explanatory diagram showing the flow of a document when the document is fed in the single-sided document mode.

FIG. 36 is an explanatory diagram showing the flow of a document when the document is discharged in the single-sided document mode.

FIG. 37 is an explanatory diagram showing the flow of a document when the document is fed in the double-sided document mode.

FIG. 38 is an explanatory diagram showing the flow of a document when the document is fed in the double-sided document mode.

FIG. 39 is an explanatory diagram showing the flow of a document when the document having one side exposed is reversed and conveyed onto the contact glass in the double-sided document mode.

FIG. 40 is an explanatory diagram showing a state where a document is pulled out in the document number counting mode.

FIG. 41 is an explanatory diagram showing a state where the original is returned in the original number counting mode.

FIG. 42 is an explanatory diagram showing a flow of a document when the document is fed from the finisher to the RDH.

FIG. 43 is an explanatory diagram showing a flow of a document when the document is discharged from the RDH to the finisher.

FIG. 44 is a part of a schematic control block diagram of the copying machine main body, showing an operation unit and an AC control system, and FIGS.
One control block diagram is configured with 6 together.

45 is a part of a schematic control block diagram of the copying machine main body showing a control system of a copying process, and FIG. 44 and FIG.
And one control block diagram.

FIG. 46 is a part of a schematic control block diagram of the copying machine main body and shows a control system of an optical system, and constitutes one control block diagram together with FIGS. 44 and 45.

FIG. 47 is a block diagram showing a control system of the finisher.

48 is a block diagram showing a control system of the RDH, which constitutes one control block diagram together with FIG. 49.

FIG. 49 is a block diagram showing the control system of the RDH, which constitutes one control block diagram together with FIG. 48.

50 is a flow chart showing a control procedure at the time of key input, and constitutes one flow chart integrally with FIG. 51 and FIG. 52.

51 is a flowchart showing a control procedure at the time of key input, which constitutes one flowchart integrally with FIG. 50 and FIG. 52.

52 is a flow chart showing a control procedure at the time of key input, and constitutes one flow chart integrally with FIG. 50 and FIG. 51.

FIG. 53 is a flowchart showing a staple check processing procedure for checking whether or not stapling is possible.

FIG. 54 is a flowchart showing a processing procedure of a sort MAX check for checking the maximum value of the number of sorting bins at the time of inputting a numerical value, which constitutes one flowchart together with FIG. 55.

55 is a flowchart showing the processing procedure of a sort MAX check for checking the maximum value of the number of sort bins when inputting a numerical value, which constitutes one flowchart together with FIG. 54.

FIG. 56 is a flowchart showing a processing procedure of a stack MAX check for checking the maximum value of the number of bins to be stacked at the time of inputting a numerical value.

57 is a flowchart showing the processing procedure of the MAX check when the number of originals exceeds the maximum number that can be stapled and the maximum number that can be accommodated in a bin, and constitutes one flowchart together with FIG. 58.

FIG. 58 is a flowchart showing the processing procedure of the MAX check when the number of originals exceeds the maximum number that can be stapled and the maximum number that can be stored in the bin, and constitutes one flowchart together with FIG. 57.

[Fig. 59] Fig. 59 is a flowchart illustrating a processing procedure of an RDH connection check.

FIG. 60 is a flowchart showing a processing procedure of a finisher connection check.

FIG. 61 is a flowchart showing a processing procedure of document feeding from the finisher to the RDH, which constitutes one flowchart together with FIG. 62.

FIG. 62 is a flowchart showing a processing procedure of document feeding from the finisher to the RDH, which constitutes one flowchart integrally with FIG. 61.

FIG. 63 is a flowchart showing a processing procedure for finishing feeding when a document is fed from the finisher to the RDH.

FIG. 64 is a flowchart showing a processing procedure of original number counting processing executed when an original is directly placed on the RDH and copied.

65 is a flowchart showing the processing procedure for starting a copy job, which constitutes one flowchart together with FIG. 66.

66 is a flowchart showing the processing procedure for starting a copy job, which constitutes one flowchart together with FIG.

FIG. 67 is a flowchart showing a processing procedure for counting the number of transfer sheets discharged to the finisher bin and tray.

FIG. 68 is a flowchart showing a processing procedure for performing an operation of stapling the transfer paper on the staple tray.

FIG. 69 is a flowchart showing a processing procedure for ending the stapling operation.

FIG. 70 is a flowchart showing a processing procedure for discharging a document from the RDH, which constitutes one flowchart integrally with FIG. 71.

71 is a flowchart showing a processing procedure for discharging a document from the RDH, which constitutes one flowchart integrally with FIG. 70.

FIG. 72 is a flowchart showing a processing procedure for ending the document discharge operation.

FIG. 73 is a diagram comparing the states of the reservation mode and the normal copying.

FIG. 74 is a main-portion plan view showing the operation portion of the copying machine main body;

FIG. 75 is a flowchart showing a procedure for setting a reservation mode, which constitutes one flowchart together with FIGS. 76, 77, 78 and 79.

FIG. 76 is a flowchart showing a processing procedure for setting a reservation mode, which constitutes one flowchart in combination with FIGS. 75, 77, 78 and 79.

77 is a flowchart showing a procedure for setting a reservation mode, which is integrated with FIGS. 75, 76, 78 and 79 to constitute one flowchart.

FIG. 78 is a flowchart showing a procedure for setting a reservation mode, which constitutes one flowchart in combination with FIGS. 75, 76, 77 and 79.

FIG. 79 is a flowchart showing a procedure for setting a reservation mode, which constitutes one flowchart together with FIGS. 75, 76, 77 and 78.

FIG. 80 is a flowchart showing a procedure for checking whether or not RDH is lifted up.

FIG. 81 is a flowchart showing a procedure for checking whether or not a document exists on the RDH sheet feeding position.

FIG. 82 is a flow chart showing a procedure of clear processing at the time of lift-up of RDH.

FIG. 83 is a flowchart showing a processing procedure of multi-job corresponding processing.

FIG. 84 is a flowchart showing a processing procedure for preventing a document from falling or shifting when the RDH is lifted up.

FIG. 85 is a flowchart showing a processing procedure for counting the number of originals when copying an original placed directly on the RDH.

FIG. 86 is a flowchart showing a processing procedure of a feed-in processing for feeding an original from the RDH onto the contact glass and a feed-out processing for feeding out the original on the contact glass to the RHD; Constitute.

FIG. 87 is a flowchart showing a processing procedure of a feed-in processing of feeding an original from the RDH onto the contact glass and a feed-out processing of feeding out the original on the contact glass to the RHD. Constitute.

88 is a timing chart showing the timing of feeding an original, showing the timing of the feed-in processing and the feed-out processing of the original together with the timing charts of FIGS. 89 and 90. FIG.

89 is a timing chart showing the timing when the document feed-in and feed-out are performed in parallel, and shows the timing of the document feed-in process and the document feed-out process together with the timing charts of FIGS. 88 and 90. FIG. .

90 is a timing chart showing the timing of feeding out a document, showing the timing of the feed-in process and the feed-out process of the document together with the timing charts of FIGS. 88 and 89. FIG.

FIG. 91 is a flowchart showing the procedure of a document size detection process.

FIG. 92 is an explanatory diagram showing the relationship between the attachment positions of the document width detection sensor and the registration detection sensor and the size of the document.

FIG. 93 is a flowchart showing a home return process procedure of an RDH jogger fence.

[Fig. 94] Fig. 94 is a flowchart illustrating a processing procedure of a jog standby processing of an RDH jogger.

FIG. 95 is a flowchart showing a processing procedure of document jogging processing in RDH.

FIG. 96 is a flowchart showing a processing procedure of document jogging processing in RDH.

97 is a flowchart showing the timing when processing is performed according to the flowchart of FIG. 96.

FIG. 98 is a flowchart showing a processing procedure when a document is discharged from the RDH to the finisher, and constitutes one flowchart together with FIG. 99.

FIG. 99 is a flowchart showing a processing procedure when a document is discharged from the RDH to the finisher, and constitutes one flowchart together with FIG. 98.

FIG. 100 is a flowchart showing a processing procedure of preprocessing when a document is fed from the finisher to the RDH.

FIG. 101 is a flowchart illustrating a procedure of a document feeding process from the finisher to the RDH.

FIG. 102 is a flowchart showing a procedure of a document feeding process from the finisher to the RDH.

FIG. 103 is a flowchart illustrating a procedure of initial processing of the finisher.

FIG. 104 is a flowchart showing a processing procedure for turning on a finisher motor.

FIG. 105 is a flowchart showing a processing procedure for turning on a finisher motor.

FIG. 106 is a flowchart showing a procedure of return processing of the jogger fence provided on the staple tray to the home position.

FIG. 107 is a flowchart showing the procedure of standby processing of the jogger fence provided on the staple tray, and FIG.
And one flow chart.

108 is a flowchart showing the procedure of standby processing of the jogger fence provided on the staple tray, FIG.
And one flow chart.

FIG. 109 is a flowchart illustrating a procedure of jogging processing on a staple tray.

FIG. 110 is a flowchart showing the procedure of the jogging process on the staple tray, which is integrated with FIG. 111 to constitute one flowchart.

FIG. 111 is a flowchart showing a procedure of a jogging process on the staple tray, which is integrated with FIG. 110 to constitute one flowchart.

FIG. 112 is a flowchart showing a stapling procedure, which constitutes one flowchart in combination with FIGS. 113 and 114.

FIG. 113 is a flowchart showing a stapling procedure, which constitutes one flowchart in combination with FIGS. 112 and 114.

FIG. 114 is a flowchart showing the procedure of stapling processing, and constitutes one flowchart together with FIGS. 112 and 113.

FIG. 115 is a flowchart showing the procedure of a transfer path switching process, which constitutes one flowchart in combination with FIG.

FIG. 116 is a flowchart showing a procedure of a transfer path switching process, which is integrated with FIG. 115 to constitute one flowchart.

FIG. 117 is a flowchart showing a processing procedure for bin up / down operations.

FIG. 118 is a flowchart showing a processing procedure for conveying a document from the finisher side to the RDH side in response to data reception from the copying machine main body side, which constitutes one flowchart in combination with FIGS. 119 and 120.

FIG. 119 is a flowchart showing a processing procedure for conveying an original document from the finisher side to the RDH side in response to data reception from the copying machine main body side, which constitutes one flowchart together with FIGS. 118 and 120.

FIG. 120 is a flowchart showing a processing procedure for conveying a document from the finisher side to the RDH side in response to data reception from the copying machine main body side, which constitutes one flowchart in combination with FIGS. 118 and 119.

FIG. 121 is a flowchart showing a processing procedure for conveying a document from the finisher side to the RDH side in response to data reception from the copying machine main body side.

FIG. 122 is a flowchart showing a processing procedure for conveying a document from the finisher side to the RDH side in response to data reception from the copying machine main body side, which is integrated with FIG. 123 to constitute one flowchart.

FIG. 123 is a flowchart showing a processing procedure for conveying a document from the finisher side to the RDH side in response to data reception from the copying machine main body side, which constitutes one flowchart together with FIG. 122.

FIG. 124 is a timing chart showing an excitation timing of a pickup solenoid and an ON / OFF timing of a sheet feeding clutch when a document is conveyed from the finisher side to the RDH side in response to data reception from the copying machine main body side.

FIG. 125 is a flowchart showing a processing procedure for discharging a document from the RDH side to the finisher side in response to data reception from the copying machine main body side.

FIG. 126 is a flowchart showing a driving procedure of timers 1 and 2 and a pickup solenoid when a document is discharged from the RDH side to the finisher side in response to data reception from the copying machine main body side.

FIG. 127 is a flowchart showing a procedure for retracting a pickup roller when a document is discharged from the RDH side to the finisher side in response to data reception from the copying machine main body side.

FIG. 128 is a timing chart showing the detection timing of the bin discharge sensor and the ON / OFF timing of the pickup solenoid when discharging a document from the RDH side to the finisher side in response to data reception from the copier body side.

[Explanation of symbols]

 9 RDH 11 finisher 33 sorter 37 bin 41 feeding / discharging section 45 document transport path 67 pickup lever 73 pickup roller 75 pickup arm 79 retracting lever 81 pickup solenoid 83, 84 sheet feeding / discharging roller 86 transporting roller 93 retracting solenoid 99 pickup roller driving shaft 137 Helical wheel 141 Guide groove 143 Bin drive shaft 145 Spiral groove 171 Discharge port 331 CPU 333 ROM 335 Gate array

Claims (3)

[Claims] 1. An original placing table comprising a plurality of steps on which different originals can be placed simultaneously, an original placing table moving means for intermittently moving each step of the original placing table, and an original placing table moving means. Document placing table driving means, drive control means of the document placing table driving means for stopping one step of intermittent movement of the document placing table at a preset document feeding position during document feeding, and preset document feeding An automatic document feeder including a document feeding unit that carries out a document from the one stage of the document placing table stopped at the feeding position and feeds the document to the image forming apparatus side. 2. The document placing table moving means intermittently moves each stage of the document placing table up and down, and further widens an interval between adjacent stages at the preset document feeding position. 2. The automatic document feeder according to claim 1, further comprising moving position setting means for moving the document to the document feeding means side. 3. A document placing table comprising a plurality of stages on which different documents can be placed simultaneously, a document placing table moving means for intermittently moving each stage of the document placing table, and a document placing table moving means are driven. Document placing table driving means, drive control means of the document placing table driving means for stopping one stage of intermittent movement of the document placing table at a preset document feeding position during document feeding, and preset document feeding An original feeding unit including an original feeding unit that feeds out an original from the one stage of the original placing table stopped at the feeding position and feeds the original to the image forming apparatus side; A document feeding unit mounting unit that is detachably attached to the document feeding unit, a document feeding unit that feeds the document fed by the document feeding unit to a preset position of the image forming apparatus, and the document feeding unit. An automatic document feeder including a document transport unit mounting means for mounting a knit on an image forming main body so as to be openable and closable.