JPH05265269A - Copying machine - Google Patents

Abstract

PURPOSE:To dispense with waiting for the start of interruption copying and improve work efficiency by controlling in such a way as to perform the interruption copying of a second document after putting an end to the copying of a first document on the way according to a detection signal from a first document round detecting means when the interruption copying of a second document is assigned during the copying of the first document. CONSTITUTION:A recirculating type document conveyor means (RDH) 2 is provided with a second document round detecting means 556 for detecting one round of a second document Db to be interruption-copied. When the interruption copying of the second document Db is assigned during the copying of a first document Da, it is so controlled that the interruption copying of the second document Db is performed after putting an end to the copying of the first document Da on the way and that the first document Da is circulated in the uncopied state during the interruption copying. As a control means, a microcomputer is provided to control a copying machine body and the RDH 2 correlatively. Control procedure and the like for performing interruption copying are stored in a ROM connected to the microcomputer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a circulating type document feeding device for sequentially circulating a plurality of documents while passing through an optical scanning position, and interrupt copying can be performed using this circulating type document feeding device. It relates to a copier that can be used.

[0002]

2. Description of the Related Art Conventionally, there is a copying machine provided with a circulating type document feeding device which circulates a plurality of documents while sequentially feeding them to a predetermined optical scanning position according to a copying operation. This circulation type document feeder is arranged on the main body of the copying machine, sequentially conveys the documents stacked on the document placing portion to the optical scanning position, and circulates the documents according to a preset number of copies. It has become. Therefore, for example, when the number of originals is large, or when it is necessary to copy multiple copies of a large number of originals, the originals are set one by one on the original placing table, and the originals are removed after the copying is completed. In comparison, the time required for the copying operation can be greatly reduced.

Further, when a plurality of originals are being copied by using the above-mentioned circulating type original feeding device, when another original is interrupt-copied, the use of the circulating type original feeding device is temporarily stopped and A document for interrupt copying is placed on a means, for example, a document table, and interrupt copying is carried out.

[0004]

However, in the above-mentioned conventional copying machine, it is not possible to use the circulation type document conveying device having good working efficiency when performing interrupt copying, and the document placing table or the like must be used. Therefore, extra time is required for setting and removing the original, and the original ability of the apparatus cannot be utilized.

The copying machine of the present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to perform interrupt copying by using a circulating type document conveying device having a good working efficiency. It is to provide a copying machine that can make full use of the above-mentioned ability.

[0006]

In order to solve the above-mentioned problems, the copying machine according to the invention of claim 1 circulates a plurality of originals while sequentially passing the optical scanning position, and at the same time,
In a copying machine equipped with a circulation type document conveying means having a first document circulation detecting means for detecting that the document has made a round in the circulation type document conveying means, a second document detecting a circulation of a second document to be interrupted and copied. The one-round detection means is provided in the circulation type document conveying means, and during the copying of the first document,
When the interrupt copy of the second original is designated, the copying of the first original in the process of finishing is completed, and then the interrupt copying of the second original is performed. During the interrupt copying, the first original is circulated without being copied. It is characterized in that a control means for controlling the above is provided.

In order to solve the above-mentioned problems, the copying machine according to the second aspect of the present invention circulates a plurality of originals while sequentially passing the optical scanning position, and the first original is in the circulating original conveying means. In a copying machine equipped with a circulation type document conveying means having a first document circulation detecting means for detecting that one cycle has been completed, a second document detecting a circulation of a second document to be interrupted by the circulation type document conveying means. A loop detection means, a discharging means for discharging the second original after completion of the interrupt copying, and a stacking means for collecting the discharged second original are provided, and the second discharging means for discharging the second original after the interrupt copying is completed.
When the original is ejected and the ejection of the second original is completed,
It is characterized in that a control means for controlling to restart copying of the first original is provided.

In order to solve the above-mentioned problems, the copying machine according to the third aspect of the present invention circulates a plurality of originals while sequentially passing the optical scanning position, and the first original is inside the circulating original conveying means. In a copying machine equipped with a circulation type document conveying means having a first document circulation detecting means for detecting that one cycle has been completed, a second document detecting a circulation of a second document to be interrupted by the circulation type document conveying means. First round detection means, second
An interrupt copy of the second original document is provided while the first original document is in the process of being completed, as well as a third original document loop detection means for detecting the copy restart position of the first original document in the process of instructing the interrupt copy of the original document. And during interrupt copying, the first
It is characterized in that a control means for controlling the circulation of the original without copying is provided.

[0009]

According to the structure of the first aspect, when the interruption copying of the second original is designated during the copying of the first original, the process of the work in process is started in response to the detection signal from the first original round detection means. It is controlled so that the first original is finished and then the second original is interrupted and copied. In interrupt copying, the first original is not optically scanned and is circulated without being copied. Therefore, the second original is desired in accordance with the detection signals from the first original single cycle detecting means and the second original single cycle detecting means. The number of copies can be duplicated. However, since the interrupting copying can be performed by using the circulation type document conveying means having a good working efficiency, the original ability of the apparatus can be fully utilized.

Further, according to the second aspect of the invention, the second original, which has been copied by the desired number of copies, is ejected to the accumulating means by the ejecting means in response to the detection signal from the second original circulation detecting means. When the discharge of the two originals is completed, the copying operation of the first original is restarted. Therefore, the operator himself does not need to remove the second original after completion of interrupt copying or instruct to restart copying of the first original, and the process up to the restart of copying of the first original is automated. It is possible to prevent a decrease in work efficiency without taking time.

According to the third aspect of the present invention, when interrupt copying is designated, even if the first original is in process, the third original cycle detection means restarts copying of the first original after completion of interrupt copying. Since the position is detected, the interrupt copying of the second original can be started immediately after the interrupt copying is designated. Therefore, for example, even when there are a large number of documents remaining for work-in-progress, it is not necessary to wait for the start of interrupt copying until the work-in-process is completed, and work efficiency can be further improved.

[0012]

【Example】

[Embodiment 1] An embodiment of the present invention will be described with reference to FIGS.
The explanation is based on the following.

In the copying machine according to the present embodiment, as shown in FIG. 2, a circulation type document feeding device (hereinafter referred to as RDH) 2 as a circulation type document feeding means is arranged on the upper part of the copying machine body 1. In addition, the document table 3 is provided adjacent to the RDH 2. Original placing table 3 made of translucent glass
Is covered by an openable / closable original cover 4, and the original cover 4 presses and holds an original (not shown) placed on the original placing table 3. As a result, it is possible not only to copy only one or a small number of documents without using the RDH2, but also to copy a large document or a thick document that cannot be conveyed by the RDH2.

An optical system 10 including mirrors 5 to 8 and a lens 9 is arranged below the RDH 2 and the document table 3. The optical system 10 irradiates the original with light emitted from the light source 11 to perform optical scanning, takes in reflected light from the original, and guides it to the photoconductor drum 12. Light source 1
Reference numeral 1 denotes an optical scan while moving along the original placing table 3 when the original placed on the original placing table 3 is copied. Optical scanning is performed through the scanning window 64 or the optical scanning window 65 (see FIG. 3).

Below the optical system 10, the photosensitive drum 12 is arranged so as to be rotatable clockwise in the drawing. Around the photosensitive drum 12, a charging device 13, a developing device 14, a transfer device 16, a peeling device 17, and a cleaning device 1
8, a static elimination lamp 19 and the like are provided, and a copying process unit 20 is provided.
Is configured. The copy process unit 20 includes the optical system 10.
The electrostatic latent image formed on the photoconductor drum 12 is developed as a toner image by the light from the sheet feeding cassette 33 to be described later.
The toner image is transferred onto a copy sheet supplied from the sheet 35 or the intermediate tray 28.

A conveying belt 22 and a fixing unit 23 are arranged on the paper output side of the copying process unit 20, and the copying paper subjected to a predetermined copying process in the copying process unit 20 is fixed by the conveying belt 22 to the fixing unit 23. The toner image transferred onto the copy sheet and transferred onto the copy sheet is heated and fixed by the fixing unit 23.

On the paper output side of the fixing section 23, a transport switching section 24 is provided.
Is provided. The transport switching unit 24 guides the path of the copy paper to the offset tray 31 side, which is a paper discharge unit, and the intermediate tray 2.
The gate flapper 27 is provided for switching to any of the eight sides. In the case of single-sided copying, the copy sheet is discharged onto the discharge tray 80 in the offset tray 31 via the reversing roller 26. The offset tray 31 can adjust the height of the discharge tray 80 according to the number of discharged copy sheets.

In the case of double-sided copying, the copy sheet is conveyed to the reversing conveyance section 25 side having the gate flapper 30, and the conveyance direction is reversed by the reversing roller 29, and then the intermediate tray 28.
Is discharged inside. On the other hand, in the case of composite copying, that is, when copying is performed on the same front surface side of copy paper multiple times, the fixing unit 2
The copy paper passing through 3 is once guided to the reversing roller 26,
Here, the conveyance direction is reversed and sent to the reversal conveyance section 25,
After the conveyance direction is reversed again, the sheet is discharged to the intermediate tray 28.

The intermediate tray 28 as a sheet re-feeding means is arranged below the conveyor belt 22 and the fixing section 23. The copy sheets in the intermediate tray 28 are sequentially delivered to the photosensitive drum 12 side at a predetermined timing from the lowermost one by an air suction type delivery belt 32 provided on the delivery side. A paper feed cassette 34 is arranged below the intermediate tray 28, while paper feed cassettes 33 and 35 are arranged below the developing device 14. The above-mentioned sheet feeding cassettes 33 to 35 serving as sheet feeding means are loaded with uncopied copy sheets, and are placed at the uppermost end by the air suction type sheet feeding belts 37 to 39 provided on the sheet output side. The paper is fed in order.

Intermediate tray 28 and paper feed cassettes 33-3
5 and the photoconductor drum 12 between the paper feed cassette 33
A supply / conveyance unit 41 having a conveyance path 41a branched to the ~ 35 side and a plurality of conveyance rollers 41b is provided.
A registration roller 42 is provided at an end portion of the supply / conveyance unit 41 on the side of the photoconductor drum 12 to stop the conveyed copy sheet once and, if necessary, supply the copy sheet to the photoconductor drum 12 at a predetermined timing. ing.

Next, the RDH2 will be described in more detail.

As shown in FIG. 3, the RDH 2 is equipped with a document placing section 43, a feeding / conveying section 44, rotating drums 45 and 46, a reversing conveying section 47 and a returning conveying section 48. The document placing section 43 is composed of an upper horizontal transport section of the transport belt 49 and a document hopper 50. The document placing section 43 is configured to have a plurality of documents Da ... Db. It is designed to be placed on a horizontal part. Documents Da ... Db are provided above the sheet output side of the document placing section 43.
A paper feed roller 52 is provided to take out the ... At a predetermined timing.

The conveyor belt 49 is driven by being stretched over the drive rollers 53, so that the originals Da ... Db ... Returned through the optical scanning described later are inserted into the lower side of the original hopper 50. There is. Further, in order to facilitate the insertion of the originals Da ... Db ... by the conveyor belt 49, the originals Da ...
A flip-up roller 54 that flips up the rear end of Db ... is provided.

The original hopper 50 is provided with a first detection actuator (first original circulation detecting means) 50a for detecting the first circulation of the first originals Da, which are first placed. The first detection actuator 50a is at the lowest position shown by the solid line in the figure before setting the first originals Da ... Into the original hopper 50, and the first originals Da ... are placed thereon. The first detection actuator 50a is the first document D.
.. a are supplied one by one, rise as they are returned from the return transport unit 48, and reach the uppermost position shown by the chain double-dashed line when the first originals Da .. At that time, the first detection actuator 50a that has reached the uppermost position is detected by the first original document circular detection sensor (first original document circular detection means) 55a arranged above the original document hopper 50, and one circulation is completed. Detection signal is generated. By using this detection signal, the number of copies can be controlled. The first detection actuator 50a rotates 180 ° via the outside of the document hopper 50 after the circulation of the first document Da is completed, and returns to the lowermost position shown by the solid line in the figure.

Further, the original hopper 50 is provided with a second detection actuator (second original circulation detection means) 50b for detecting one circulation of the second originals Db ... There is. The second detection actuator 50b is positioned above the first document Da, before the second document Db is set in the document hopper 50, and the second detection actuator 50b is placed on the second document Db.
The documents Db ... Are placed. Second detection actuator 5
0b rises as the second originals Db ... Are supplied one by one and returned from the return transport unit 48, and the second originals Db ...
Reaches the top position when all of the paper has been fed. At that time, the second detection actuator 50b which has reached the uppermost position is detected by the second original document loop detection sensor (second original document loop detection means) 55b arranged above the document hopper 50, and the feeding of all sheets is completed. A detection signal to the effect is generated. By using this detection signal, the number of copies can be controlled. The second detection actuator 50b rotates 180 ° via the outside of the document hopper 50 and returns to the lowest position after the completion of feeding all the second documents Db.

The supply transport section 44 includes a transport path 56, separation rollers 57, 57, a plurality of transport rollers 58, ... Arranged at predetermined intervals, and registration rollers 59, 59. The conveyance path 56 is arranged from the sheet output side of the document placing section 43 to a sheet input section 60a of an outer peripheral conveyance path 60 described later. The separation rollers 57, 57 are provided slightly inward from the sheet entrance side opening of the conveyance path 56, while the registration rollers 59.5 are provided.
9 is provided near the paper input unit 60a.

The separating rollers 57, 57 are arranged such that when a pair of upper and lower rollers are driven to rotate in the same direction as each other, two or more originals Da ... Db. To prevent double feed. On the other hand, the registration rollers 59, 59 are configured to temporarily stop the originals Da ... Db, which have been conveyed by the conveying rollers 58, if necessary, and supply them to the rotary drum 45 at a predetermined timing.

The rotary drums 45 and 46 are both driven to rotate clockwise in the drawing, and annular outer peripheral transport paths 60 and 61 can be formed along the respective outer peripheral surfaces. .. In the outer peripheral transport paths 60 and 61,
A plurality of driven rollers 62, ..., 63 are rotatably provided at intervals so as to contact the outer peripheral surfaces of the rotary drums 45, 46. The driven rollers 62 ... 63 are originals Da ...
-Db ... is pressed against the rotating drums 45 and 46 to assist the conveyance.

Optical scanning windows 64 and 65, which are made of glass, are provided at portions of the upper end surface of the copying machine body 1 facing the lower ends of the rotary drums 45 and 46, respectively. Through the light source 11 (see FIG. 2)
Thus, the optical scanning of the originals Da ... Db.

Each paper output portion 60b of the outer peripheral transport path 60/61
61b are provided with gate flappers 66 and 67 for switching the paths of the originals Da ... Db. The gate flappers 66 and 67 close the paper output portions 60b and 61b of the outer peripheral transport paths 60 and 61 as shown by the two-dot chain line in the figure when the optical scanning of the same document is performed a plurality of times for multiple copying. By forming annular outer peripheral transport paths 60 and 61 around the rotating drums 45 and 46, the originals are placed on the rotating drums 45 and 46.
It can be circulated about the desired number of times.

When the optical scanning of a predetermined number of times is completed or when the optical scanning is not performed, the gate flapper 66 is rotated to the position indicated by the solid line to close the upper half of the outer peripheral conveyance path 60, and the original D
..Db .. is formed to the reversing conveyance section 47, while the gate flapper 67 is rotated to the position indicated by the solid line to close the upper half of the outer peripheral conveyance path 61 and return the originals Da..Db. A passage leading to the transport section 48 is formed.

The reversing conveyance section 47 includes conveyance paths 68 and 69,
The reverse conveyance path 70, the sending rollers 71, ..., the gate flapper 72, the registration rollers 73, 73, and the reverse roller 7
4 and 74. One end of each of the transport paths 68 and 69 is provided with the paper output portion 60b of the outer circumferential transport path 60 and the outer circumferential transport path 6.
While being connected to the first sheet input unit 61a, the other ends are joined and connected to the reversing conveyance path 70.

The delivery rollers 71 are provided in the vicinity of the merging portion of the transport paths 68 and 69, and deliver the originals Da ... Db ... to the reverse transport path 70 or the rotary drum 46, and the gate flapper 72. The paths of the originals Da ... Db ... are switched. Further, the registration rollers 73, 73 are provided in the transport path 69 in the vicinity of the paper input portion 61a, and if necessary, the originals Da ... Db ... are temporarily stopped and then fed to the rotary drum 46 at a predetermined timing. It is supposed to do. The reversing rollers 74, 74 are provided in the reversing conveyance path 70, and reverse the rotation direction to reverse the conveyance direction of the documents Da.

The return transport unit 48 has a transport path 75 and a plurality of transport rollers 76 .... The transport path 75 is arranged from the paper output portion 61 b of the outer peripheral transport path 61 to the transport belt 49. The conveyor belt 49 constitutes a part of the document placing section 43, but also functions as the return conveying section 48, and the originals 51 returned by the conveying path 75 are placed on the original sheet. It is conveyed to the part 43. For this reason, the conveying belt 49 is provided with a call-in roller 77 in the vicinity of the sheet exit side opening of the conveying path 75, and the originals Da ... Db. It is designed to assist the transportation of 49.

Next, the control system will be described.

As shown in FIG. 4, the control system includes a microcomputer 204 as a control means, and the copying machine main body 1
And RDH2 are controlled in relation to each other.

Photoreceptor drum 12, copier body 1, and R
..... in the DH2, a plurality of motors M1 to Mi for driving the rotating parts such as the conveying rollers 41b.
(Not shown in FIG. 3) is connected to the motor driver 200, a plurality of clutches CLT1 to CLTi for intermittently driving the registration rollers 42, 59, etc. are connected to the clutch driver 201, and each gate flapper 27.・ 3
A plurality of solenoids SOL1 to SO for driving 0, etc.
Li is connected to the solenoid driver 202.

Then, each of these drivers 200 to 20
2. DC power supply 79, a plurality of detection sensors S for detecting that copy paper or originals Da ... Db ... have passed a predetermined position.
Control elements such as 1 to Si, which are used to control original document conveyance, copy sheet conveyance control, and control of the copying process unit 20, are connected to an interface circuit 203. The interface circuit 203 is connected to the microcomputer 204, outputs detection signals from the detection sensors S1 to Si to the microcomputer 204, and controls and operates the drivers 200 to 202 according to control signals from the microcomputer 204. It is designed to let you.

The microcomputer 204 has a ROM (Re
ad Only Memory) 205 and RAM (Random Access Mem)
ory) 206, and controls according to a control program stored in advance in the ROM 205. The ROM 205 stores control procedures for double-sided copying from a single-sided original, control procedures for interrupt copying as shown in FIG. On the other hand, RAM
Reference numeral 206 is used as a buffer memory, a flag necessary for copy control, a counter, a timer, and other calculation areas.

The interface circuit 203 is connected to the light source 11 via the triber 207 and the dimming unit 208. Further, the interface circuit 203 is connected to an operation key 211 on the operation panel 210, which will be described later, and also connected to the display device 213 via the display driver 212.

As shown in FIG. 5, the operation panel 210 has a ten-key 211a for setting the number of copies, a clear key 211b for clearing the set number of copies, and an RD.
RDH select key 211c for selecting a copy mode when copying while sequentially circulating a plurality of originals using H2, and ADF for selecting an ADF mode for continuously copying a desired number of sheets from one original A key 211d, a print switch 211e for instructing the start of copying, an interrupt key 211f for setting an interrupt mode, a set display 213a for displaying the set number of copies, a count display 213b for counting and displaying the number of copied sheets, R
Mode display sections 213c to 213f for displaying which of the four copy modes using DH2 is selected,
And an ADF display unit 213g for displaying whether or not the ADF mode is selected.

The mode display unit 213c displays a mode for performing one-sided copying from a one-sided original, and the mode display unit 213
Reference character d indicates a mode for performing double-sided copying from a single-sided original, mode display section 213e indicates a mode for performing single-sided copying from a double-sided original, and mode display section 213f displays a mode for performing double-sided copying from a double-sided original. Then, each time the RDH select key 211c is pressed once, the mode display section 213c ...
213f is sequentially switched from the uppermost position to the lower position, and the uppermost mode display unit 213c is turned on again after the lowermost mode display unit 213f. Further, in the normal copying operation, when the interrupt key 211f is pressed once, the interrupt mode is set, and when the interrupt key 211f is pressed again, the interrupt mode is released.

In the above structure, the RDH2 shown in FIG.
The first originals Da placed on the original placing section 43 are sequentially taken out from the uppermost one, and are fed to the rotary drum 45 by the supply / delivery section 44. The document Da that has reached the lowermost portion of the rotary drum 45 is sent to the rotary drum 46 in a state in which the reverse direction is reversed by the reverse transfer section 47 after the surface thereof is optically scanned by the light source 11 (see FIG. 2). To be done. The original 51 reaching the lowermost portion of the rotary drum 46 is, if necessary, optically scanned on the surface by the light source 11, and then conveyed to the conversion conveyance unit 48, and is conveyed by the conveyance belt 49 to the mounting unit of the document placement unit 43. Inserted in. On the other hand, an original (not shown) placed on the original placing table 3 shown in FIG. 2 is optically scanned by the movement of the mirror 5.

The reflected light obtained from the original by the above optical scanning exposes the photosensitive drum 12 through the optical system 10. Prior to the exposure, the surface of the photosensitive drum 12 is charged by the charging device 13 to be charged to a predetermined potential, and an electrostatic latent image corresponding to the image of the original is formed on the surface by the above exposure. .. This electrostatic latent image becomes a toner image by being developed by the developing device 14. On the other hand, the paper 21 supplied from the paper feed cassettes 33 to 36 is conveyed through the supply conveyance unit 41, respectively, and the registration rollers 42
Thus, the light is delivered to the lower portion of the photoconductor drum 12 at a timing synchronized with the rotation of the photoconductor drum 12.

The toner image formed on the photoconductor drum 12 is transferred by the transfer device 16 to the paper 21, and the paper 21 is peeled from the photoconductor drum 12 by the peeling device 17 and then conveyed to the fixing portion 23 by the conveying belt 22. To be done. After the toner image is transferred onto the sheet 21, the cleaning device 18 removes the residual toner and the charge elimination lamp 19 uniformly removes the surface of the photoconductor drum 12, and then the charger 13 applies the charge again.

The sheet 21 on which the above toner image is transferred is
When the toner image is heated and fixed by the fixing unit 23, in the case of one-sided copying, the toner image is discharged to the offset tray 31 via the transport switching unit 24. Further, when performing double-sided copying, the sheet 21 after fixing is guided to the reversing conveyance section 25 by the gate flapper 27 of the conveyance switching section 24, while when performing composite copying, it is once conveyed to the reversing rollers 26, 26 and reversed. Roller 26
.. 26 is reversed to the reversal conveyance unit 25. Paper 21
Are delivered in the state where the transport direction is reversed, and are stacked on the intermediate tray 28. The accumulated sheets of paper 21 ... Are taken out from the lowermost sheet of the intermediate tray 28 and conveyed through the supply / conveyance unit 41, and the copying process unit 20 performs the copying process on the back surface as well as the front surface. And
After the fixing process is performed by the fixing unit 23, the sheet is discharged to the offset tray 31 via the transport switching unit 24, as in the case of single-sided copying.

Next, during the copying operation of the first document Da, the second document
FIG. 1 shows a processing procedure for interrupt copying the originals Db.
And it demonstrates based on the flowchart of FIG.

First, a predetermined number of the first originals Da ... are turned over, that is, the surface on which the image is formed is faced down, and the original placing portion 4 is placed in the page order so that the original on the final page is at the uppermost position.
After the layers are stacked in No. 3, the initial setting is performed (S1). In this state, the RDH select key 211c is used to select, for example, the double-sided copy mode from a single-sided original, and the ten-key pad 211a is used to set the number of copies (S2). When the power is turned off in this state, the copying operation is terminated, while when it is determined that the power is not turned off (S3), whether or not the copy start signal is subsequently input by the pressing operation of the print switch 211e. It is determined (S4). If the input of the copy start signal is not determined, S2 to S4
On the other hand, when the input of the copy start signal is determined while the processing of step 1 is repeated, the first document circulating device including the first detection actuator 50a and the first document circulation detecting sensor 55a operates (S5), and the first document circulating device operates. The copying operation of the originals Da ... Is started (S6). Then, during copying of the first original Da ..., it is determined whether or not the interrupt key 211f is pressed to input the interrupt signal (S7). If the interrupt signal is not input, the setting in S2 is performed. It is determined whether or not the number of copies and the number of copies actually made match (S8). If it is determined that they do not match, S6 to S
The process of 8 is repeated. If the set number of copies and the number of copies match, the copying operation is ended (S9), the setting is cleared (S10), and S2 is executed again.

On the other hand, in S7, the interrupt key 211
When it is determined that the interrupt signal is input from f, S11 illustrated in FIG. 1 is executed to determine whether or not the detection signal from the first original circulation detection sensor 55a is input. If it is determined that the detection signal has not been input, that is, if the first original document Da ... is in the process of being processed, the copying operation is continued until the number of in-process copies is completed (S12). On the other hand, the first original document detection sensor 55
When the input of the detection signal from a is determined, the copying operation is temporarily stopped (S13).

Next, the setting data at the time of copying the first manuscript Da ... is stored in the RAM 206 (S14), the display device 213 is cleared to return to the default state, and the second detection actuator 50b and the second manuscript complete detection are performed. The second original document detection device including the sensor 55b operates (S15). That is, the second detection actuator 50b
Moves to the uppermost position of the original document Da ..., and in this state, the second original document Db ... which performs interrupt copying is turned over on the second detection actuator 50b and the surface on which the image is formed is set downward so that the second original document For Db ..., if the RDH select key 211c selects, for example, the double-sided copy mode from a single-sided original and the ten-key 211a sets the number of interrupt copies (S16), the second original D
It is determined whether b ... Is the same size as the first original Da ... (S17).

The size of the second original Db ... Is the first original Da.
If the size is different from the size of ..., An error message is displayed on the display device 213 (S18), and S16 to S17 are re-executed, while the first document Da ... and the second document Db ... have the same size. Determines whether or not the interrupt copy start signal from the print switch 211e has been input (S19). When the input of the interrupt copy start signal is determined, S20 is executed to perform the interrupt copy operation of the second document Db ..., On the other hand, when the input of the interrupt copy start signal is not determined, the interrupt copy is performed. The system waits until the start signal is input. Further, the interrupt copying operation (S20) is continued until it is determined in S21 that the detection signal from the second original document loop detection sensor 55b is input.

On the other hand, when it is determined in S21 that the detection signal is input from the second original circulation detection sensor 55b, the second originals Db ... Are positioned below the first originals Da ... in this state. Therefore, in S23, the skip operation of the first original document Da that is not copied during interrupt copying is performed until it is determined in step S23 that the detection signal of the first original document circular detection sensor 55a is input (S22). When all the first originals Da ... are skipped and the first detection actuator 50a reaches the uppermost position of the originals Da ... Db ..., the detection signal from the first original one cycle detection sensor 55a is input, and S1
It is determined whether or not the number of interrupts set in 6 and the number of copies match (S24). If it is determined that they do not match, the processes of S20 to S24 are repeated.

Further, if it is determined in S24 that the number of copy sets for the interrupt and the number of copy sets match, the interrupt copy operation is stopped (S25). After that, interrupt key 21
When 1f is pressed again, it is determined whether or not the interrupt release signal is input (S26), and the processes of S16 to S26 are repeated until it is determined that the interrupt release signal is input. Incidentally, in S25, when the interrupt copying operation is stopped, the second originals Db ...
Is located at the uppermost position of the second original Db ...
Of the interrupt key 21 after removing the document from the document placing section 43.
When 1f is pressed again, it is determined in S26 that the interrupt mode has been canceled, and then the second original circulating device is stopped and various setting data of the first original Da ... Stored in the RAM 206 is restored. (S27),
The display state of the display device 213 is returned to the state before the interrupt copying. After that, the print switch 211e is pressed, and the copying machine is in a standby state until the input of the copy start signal is determined in S28. When the copy start signal is input, S8 shown in FIG. The copying operation is repeated until the number of copies of one original Da ... coincides with the number of copies set in S2.

As described above, in the copying machine of this embodiment, when the interrupt mode is set during the copying of the first originals Da ... With the RDH 2, the first originals Da. Copying is performed until the detection signal from the detection sensor 55a is input, that is, until the number of in-process copies is completed, and all the first originals Da ... Are returned to the original placing section 43. In this state, the first original Da ...
Second detection actuator 5 for original document for interruption
0b is set, a second original Db ... Of the same size as the first original Da ... is placed thereon, and interrupt copying is performed.
By the operation of the second original document one round detection sensor 55b, one circulation of the second original document Db ... Is detected, and a desired number of copies is performed. At this time, the second original D
The first original document Da placed under b ... is the second original document Db.
... is skipped according to the number of copies.

Therefore, it is possible to carry out the interrupt copy of a desired number of copies for a plurality of originals by using the RDH 2 having a high work efficiency, so that the time required for the interrupt copy can be shortened. As a result, the original capability of the device can be fully utilized.

[Embodiment 2] Another embodiment of the present invention will be described below with reference to FIGS. 7 and 8. For convenience of explanation, members having the same functions as those of the members shown in the drawings of the above-described embodiments are designated by the same reference numerals,
The description is omitted. R provided in the copying machine of this embodiment
As shown in FIG. 7, the DH 2 has a conveying path 75 as a discharging means, a plurality of conveying rollers 76, ..., A gate flapper 7.
8, the interrupt original delivery rollers 82, 82, and the discharge sensor 79. The transport path 75 is configured by the transport roller 7
During the interval between 6 ..., the original document Da ... D by the gate flapper 78.
The course of b ... is switched. A discharge tray (collection unit) 81 is provided below the transport belt 49. Interruption Original Sending Roller 82/82
2nd for interruption discharged to the discharge tray 81 through
The originals Db ... Are counted by a discharge sensor 79 provided in the vicinity of the interrupting original delivery rollers 82. Further, the discharge sensor 79 has a function of not only counting discharged documents but also detecting a jam.

In the above configuration, the processing procedure at the time of interrupt copying will be described with reference to the flowchart of FIG.
In the present embodiment, the processing procedure until the interrupt mode is designated and the processing procedure from S11 to S21 in FIG.

When the interrupt copying operation is started and it is determined in S21 that the detection signal is input from the second original document loop detection sensor 55b, 1 is selected from the interrupt setting number in S16.
It is determined whether the number of copies subtracted and the actual number of copies match (S29). Here, if it is determined that the number of copies subtracted from the interrupt setting number of copies does not match the number of copies, the first original document is detected until the detection signal is input from the first original document loop detection sensor 55a (S31). Da ... is skipped (S30). On the other hand, when it is determined in S31 that the detection signal is input from the first original document round trip detection sensor 55, steps S20 to S3 are performed until it is determined in S29 that the number of copies set by subtracting one from the interrupt setting number and the number of copies are determined.
1 is repeated.

When it is determined in S29 that the number of copies subtracted from the set number of copies coincides with the number of copies, the sheet feeding by the RDH 2 is stopped and the gate flapper 78 switches the conveyance path 75 to turn on the discharge gate. (S32). As a result, the interruption document discharge roller 8
The second document 82 is discharged onto the discharge tray 81 by 2.82, and it is determined whether the discharge is completed according to the number of documents counted by the discharge sensor 79 (S3).
3). If it is not determined that the discharge is completed, the copying operation is continued until it is determined that the discharge is completed (S3).
4).

When it is determined that the discharge is completed, the discharge gate is turned off and the interrupt copying is stopped (S3).
5). Then, the second original circulating device is stopped and R
The original data of the first original document Da ... stored in the AM 206 is restored (S36), and the copying operation of the first original document Da ... Is automatically restarted (S37). The procedure after the copying operation is restarted is the same as that in the first embodiment.

As described above, in the copying machine of the present embodiment, when the predetermined number of copies of the second original Db ... Is copied in the interrupt mode, the gate flapper 78 provided in the return conveyance section 48,
The second originals Db ... Are discharged to the discharge tray 81 by the interrupt original discharge rollers 82. Further, by counting the number of discharged second originals Db ... With the discharge sensor 79, it is possible to detect the completion of discharging the second originals Db ... and automatically restart the copying operation of the first originals Da.

Therefore, since the second originals Db ... Are automatically ejected, it is not necessary for the operator to remove the second originals Db. Since the copying operation of the first originals Da ... Is automatically started, it is not necessary for the operator to instruct the start of the normal copying operation. As a result, in addition to the effects of the first embodiment described above, it is possible to provide a copying machine with higher work efficiency and less time loss.

[Embodiment 3] Next, still another embodiment of the present invention will be described with reference to FIGS. 9 and 10. For convenience of explanation, members having the same functions as those of the members shown in the drawings of the above-described embodiment are designated by the same reference numerals, and the description thereof will be omitted. In the copying machine of this embodiment, as shown in FIG. 9, the RDH 2 is provided with a third original document circulating device including a third detecting actuator 50c as a third original document circular detecting means and a third original document circular detecting sensor 55c. The structure is the same as that of the first embodiment except that The third detection actuator 50c is configured such that the first original document Da ...
By being located at the lowermost part, it is possible to detect the copy restart position of the first originals Da ... After the interruption mode is released. This third detection actuator 50c
Are raised as the originals Da ... Db ... are fed, and when the uppermost position is reached, the third original document detection sensor 55c
And a detection signal indicating that one cycle has been made is sent from the third original cycle detection sensor 55c.
By using this detection signal, the number of copies can be controlled. The third detection actuator 5
0c rotates 180 ° via the outside of the document hopper 50 after all the documents have been fed from the start of interrupt copying.
The original hopper 50 is returned to the lowest position.

In the above configuration, the processing procedure at the time of interrupt copying will be described based on the flowchart of FIG.
The procedure is the same as that of the first and second embodiments until the interrupt signal is input by pressing the interrupt key 211f, and the description thereof will be omitted.

When the interrupt signal is input by pressing the interrupt key 211f, the feeding of the RDH 2 is stopped (S38), and the copying operation is performed until it is determined in S39 that the original collection in the transport path of the RDH 2 is completed. The process is continued (S40). When the original collection is completed, the copying operation is temporarily stopped (S41), and each setting data of the first original Da ...
It is stored in the OM 206 (S42), the display device 213 is cleared to the default state, and the second and third original document circulating devices are operated (S43). That is, the second detection actuator 50b is located at the uppermost position of the first document Da.
The detection actuator 50c moves to the lowermost position of the first document Da.

In this state, the second detection actuator 50b is turned over by the operator while the second original Db for interruption copying is turned over and the surface on which the image is formed faces downward.
It is set up, and by the RDH select key 211c,
For example, the single-sided copy mode from the single-sided original is selected, and the number of interrupted copies is set by the ten keys 211a (S44). Next, the first original Da ... and the second original D
It is determined whether or not b and ... Are the same size (S45), and if they are not the same size, an error message is displayed on the display unit 213 (S46) and S44 is re-executed. On the other hand, when the first document Da ... And the second document Db ... have the same size, it is determined whether or not the interrupt copy start signal is subsequently input (S47), and the input of the interrupt copy start signal is determined. Until this is done, the copier will be in a standby state.

On the other hand, when the input of the copy start signal by the pressing operation of the print switch 211e is determined, the interrupt copying operation is continued until it is determined in S49 that the detection signal from the second original circulation detection sensor 55b is input. (S48). When the second original document Db ... Is completely fed and the second original document round trip detection sensor 55b is turned on and a detection signal is input, in this state, the first original document Da ... is positioned above the second original document Db. Therefore, the skip operation of the first original document Da ... Is performed until it is determined in S51 that the detection signal is input from the third original document circular detection sensor 55c (S51).
50). In S51, the third original document detection sensor 55c
When it is determined that the detection signal is input from S44, it is determined whether the number of interrupts set in S44 matches the actual number of copies (S52). The process of is repeated.

On the other hand, if it is determined that the set number of copies and the number of copies are equal, the interrupt copying operation is stopped (S53).
Next, it is determined whether or not the interrupt release signal is input by pressing the interrupt key 211f (S54), and the processes of S44 to S54 are repeated until the interrupt release signal is input. On the other hand, when it is determined that the interrupt release signal is input, the second and third original document circulating devices are stopped, and the original data on the first original document Da stored in the ROM 206 is restored (S55), and the display device is displayed. Predetermined data is displayed in 213.

At this time, the second original Db ... Is the first original D.
a ... is located above and is removed by the operator. Further, the first original document Da is in the state before the interrupt copying is started, that is, the original copied just before the interrupt copying is started is located at the bottom of the original hopper 50. And S56
The copying machine is in the standby state until the print switch 211e is pressed and the input of the copy start signal is determined at, and when the copy start signal is input, the original at the uppermost position of the original hopper 50 is sequentially conveyed. In accordance with the detection signal from the first original circulation detection sensor 55a, the copying operation is performed in the same manner as in the first embodiment until the set number of copies of the first original Da ... and the number of copies match.

As described above, in the copying machine of this embodiment, R
Since the third detection actuator 50c and the third original document loop detection sensor 55c are provided in the DH2, when the interrupt copying is instructed, the interruption ends even if the first original document Da. Later the first original Da
It is possible to detect the position where the copying of ... Is restarted.
Therefore, even if the first originals Da ... are in the process of being processed, the second originals Da.
The time until the interruption copying of the documents Db ... Is started becomes constant. As a result, it is possible to minimize the loss of time that occurs due to interrupt copying, and consequently to minimize the reduction in work efficiency.

In this embodiment, the case where the operator removes the second originals Db ... After the interruption copying is described as an example, but the same discharge means for interrupt originals as in the second embodiment is used. By providing the second originals Db ... When the interruption copying is completed, the second originals Db ... Can be automatically restarted when the discharging is completed, so that the copying machine with improved operability can be provided. Is also possible.

[0072]

As described above, in the copying machine according to the first aspect of the present invention, the circulation type document conveying means is provided with the second document circulation detecting means for detecting the circulation of the second document for interruption copying. In addition, when interrupt copying of the second original is specified during copying of the first original, interrupt copying of the second original is performed after finishing copying of the first original in the process Is a structure provided with a control means for controlling the circulation of the first original without copying.

Therefore, if the interrupt copy of the second original is designated during the copying of the first original, the first original in the process of being completed is terminated in response to the detection signal from the first original single cycle detection means. After that, it becomes possible to carry out the interrupt copying of the second original by using the circulation type original conveying means with good work efficiency, and it is possible to make full use of the original capability of the apparatus.

In the copying machine according to the second aspect of the present invention, as described above, the circulation type document conveying means detects the one cycle of the second document to be interrupt-copied, and the second document one-cycle detecting means and the interrupt copying end. Ejecting means for ejecting the second original later and accumulating means for accumulating the ejected second original are provided, and the second original is ejected by the ejecting means after the interruption copying is completed. When the discharge of the first document is completed, a control means for controlling the copying of the first document to be restarted is provided.

Therefore, the operator himself does not need to remove the second original after completion of interrupt copying or instruct to restart copying of the first original, and the process up to the restart of copying of the first original is automated. Therefore, there is an effect that it is possible to prevent a decrease in work efficiency without requiring extra time.

In the copying machine according to the third aspect of the present invention, as described above, the circulation type document conveying means includes the second document circulation detecting means for detecting the circulation of the second document for interruption copying.
A third original document loop detecting means for detecting the copy restart position of the first original document in the process of interrupting the second original document is provided, and the second original document is detected while the first original document is in the process of being completed. Interrupt copy is performed, and during interrupt copy,
The control means is provided so as to circulate the first original without copying it.

Therefore, when the interrupt copying is designated, the copy restart position of the first original document which is in the process of being processed is detected by the third original document loop detection means, and, for example, a large number of remaining original documents corresponding to the in-process document are detected. Even in some cases, there is no need to wait for the start of interrupt copying until the work in progress is completed, and the working efficiency can be further improved.

[Brief description of drawings]

FIG. 1 is a flow chart showing a control procedure when interrupt copying is performed in a copying machine according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing a schematic configuration of the copying machine.

FIG. 3 is a schematic diagram showing a schematic configuration of a circulation type document feeder provided in the copying machine.

FIG. 4 is a block diagram showing a control system in the copying machine.

FIG. 5 is a plan view showing an operation panel of the copying machine.

FIG. 6 is a flow chart showing a control procedure when interrupt copying is performed during a normal copying operation in the copying machine.

FIG. 7 is a schematic diagram showing a schematic configuration of a circulation type document feeder provided in a copying machine according to another embodiment of the present invention.

8 is a flowchart showing a control procedure when interrupt copying is performed using the circulation type document feeder shown in FIG. 7. FIG.

FIG. 9 is a schematic diagram showing a schematic configuration of a circulation type document feeder provided in a copying machine according to still another embodiment of the present invention.

FIG. 10 is a flowchart showing a control procedure when interrupt copying is performed using the circulation type document feeder shown in FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Copier main body 2 Circulation type document conveying device (circulation type document conveying means) 50a First detection actuator (first original document one round detection means) 50b Second detection actuator (second original document one round detection means) 50c Third detection type Actuator (third original document full-circle detection means) 55a First original document full-circle detection sensor (first original document full-circle detection means) 55b Second original document full-loop detection sensor (second original document full-loop detection means) 55c Third original document full-loop detection sensor (third original document) Loop detection means) 75 Conveyance path (discharging means) 76 Conveying rollers (discharging means) 78 Gate flapper (discharging means) 79 Discharging sensor (discharging means) 81 Discharging tray (collecting means) 82 Discharging rollers for discharging manuscripts (discharging means) 204 Microcomputer (control means) Da first manuscript Db second manuscript

Claims (3)

[Claims] 1. A circulation type original having a first original circulation detecting means for circulating a plurality of originals while sequentially passing through an optical scanning position and for detecting that the first original has passed through the circulation type original conveying means. In a copying machine equipped with a conveyance means, a second original circulation detection means for detecting a complete circulation of a second original to be interrupted is provided in the circulation type original conveyance means, and the first original is copied during copying. When interrupt copy of two originals is specified, the copy of the first original in the process of completion is completed, and then the interrupt copy of the second original is performed. During interrupt copy, the first original is circulated without being copied. A copying machine, characterized in that a control means for controlling is provided. 2. A circulation type original document conveying means having a first original document circulation detecting means for circulating a plurality of original documents while sequentially passing through an optical scanning position and detecting that the first original document makes a round in the circulation type original document conveying means. In the copying machine including the means, the circulation type document conveying means includes a second original cycle detecting means for detecting a complete cycle of the second original for interruption copying, and a discharging means for discharging the second original after completion of the interrupt copying. A stacking unit for stacking the discharged second original is provided, and the second original is discharged by the discharging unit after the interruption copying is completed. When the discharge of the second original is completed, the first original is discharged.
A copying machine comprising control means for controlling copying of an original document to be resumed. 3. A circulation type original document conveying means for circulating a plurality of original documents while sequentially passing through an optical scanning position, and having a first original document circulation detecting means for detecting that the first original document has made a round in the circulation type original document conveying means. In a copying machine provided with a means, the circulation type document conveying means has a second original document cycle detecting means for detecting a complete cycle of a second original document to be interrupted, and a first intermediate document in progress when interrupt copying of the second original document is designated. A third original document loop detection means for detecting the copy restart position of the original document is provided, and the second original document is interrupt-copied while the first original document is in the process of being completed. A copying machine, characterized in that it is provided with a control means for controlling so as to circulate without copying.