JPS6138956A - Paper discharge control device of electronic copying machine - Google Patents

Abstract

PURPOSE:To improve the handling of the titled device by forming a reverse mode displaying means for displaying reversed discharge of copying paper which is performed by a reverse discharge means for reversing the front and back of the copying paper. CONSTITUTION:The reverse means 13 is provided with a main reverse roller 13a, reverse rollers 13b, 13c, an inversion roller 13e, and a return roller 13f. In case of a reverse mode, reverse solenoids 13h, 13g are turned on, the reverse rollers 13b, 13c are mutually separated and the copying paper (p) inserted between the main reverse roller 13a and the reverse roller 13b is guided by a reverse guide plate 13d and passed through the return roller 13f. At a point of time, a reverse sensor 30 is turned off, and the copying paper (p) is sent in the direction to a switching claw 12c to reverse its upper and lower sides. The reversed status is displayed on a reverse mode display device 45 for displaying a reverse key 44 for selecting the reverse mode which is mounted on an operation display panel 36 and the ON/OFF status of the key 44.

Description

TECHNICAL FIELD The present invention relates to an electronic copying machine paper discharge control device for controlling copy paper discharge in an electronic copying machine.

As a conventional electronic copying machine, there are predetermined modes such as a single-sided mode for copying only on one side of copy paper, a duplex mode for copying on both sides of copy paper, and a composite mode for copying two originals on one side of copy paper. Correspondingly, it is known that it is fixed whether the copy paper is ejected with the front side or the back side facing up.

However, this electronic copying machine has a drawback in that it is not possible to selectively reverse the front and back sides of the copy paper in the copy paper discharge mode.

Purpose An object of the present invention is to selectively reverse the front and back sides of copy paper in the basic paper ejection mode,
Another object of the present invention is to provide an electronic copying machine paper discharge control device that can display reverse discharge of copy paper.

Structure As shown in FIG. 1, the present invention includes a reversing ejecting means for reversing and ejecting the front and back sides of copy paper in the basic ejecting mode of copy paper, and a reversing ejecting means for reversing and ejecting copy paper by the reversing ejecting means. The present invention is characterized by comprising an inversion mode display means for displaying.

Next, a specific example of the configuration of the present invention will be explained based on the drawings.

In FIG. 2, reference numeral 1 indicates an electronic copying machine. A sorter 2 is arranged adjacent to the electronic copying machine 1. The exterior plate 1a of the electronic copying machine 1 and the exterior plate 2a of the sorter 2 are arranged so as to be almost close to each other.

A drum-shaped photoreceptor 3 is arranged inside the exterior plate 1a. This photoreceptor 3 is rotated in the direction of the arrow by a driving means (not shown). Around this photoreceptor 3, a charging device 4, an eraser 5, an exposure device 6, a developing device 7, a transfer device 8, a copy paper supply device 9. Copy paper separation and conveyance device 1
0. A fixing device 11, a copy paper conveying means 12 for conveying the copy paper p on which the toner image is fixed. A reversing means 13 for reversing the copy paper p, an intermediate tray 14 for temporarily storing the copy paper p. Static eliminator 15. A cleaning device 16 and the like are arranged at predetermined positions and charged.

The steps of exposure, development, transfer, fixing, neutralization, and cleaning can be repeated.

The exposure device 6 includes a contact glass 6a provided on the upper surface of the exterior plate 1a, an exposure lamp 6b for illuminating the image surface of an original placed on the contact glass 6a, and a photoreceptor 3 for transmitting image light from the original into a slit shape. It consists of a lens 6c that focuses an image on the image, a first mirror 6d, and a second mirror 6e. By moving the exposure lamp 6b in the direction of the arrow and synchronizing with this, moving the lens 6C in the direction of the arrow, image light of the entire image surface of the document is imaged on the photoreceptor 3. Above exposure lamp 6
A scanner sensor 17 is arranged near the home position of the exposure lamp 6b for detecting the number of scans of the scanning optical system consisting of a lens 6C and a lens 6C. The exposure device 6 can change the copying magnification by changing the positions of the lens 6c, the first degree mirror 6d, and the second mirror 6e.

The copy paper supply device 9 includes a plurality of paper feed trays 9a,
It consists of a feeding means 9b consisting of a feeding roller and a guide plate for feeding the copy paper p in these paper feeding trays 9a between the photoreceptor 3 and the transfer device 8.

An automatic document feeder 18 is arranged above and near the contact glass 6a.

This automatic document feeder 18 includes a document center plate 18a,
A document feeding means 18b includes a plurality of rollers that feed the plurality of documents placed on the document center 18a one by one from the bottom toward the contact glass 6a, and a driving means for rotating these rollers.

(conveyor bell placed above the contact glass 6a)
18c, two belt conveying rollers 18d on which the conveying bell l-18c is attached, and a driving means for rotating these belt conveying rulers 18d (not shown). It consists of

The original placed on the original setting table 18a is transported by the original feeding means 18b to the conveyor bell) 18c and the contact glass 6.
a, and is transported by the transport heald 18c and stopped at a predetermined position on the contact glass 6a, and after the image light of the original is formed on the photoreceptor 3 by the exposure device 6, the original is transported by the transport belt 18C again. contact glass 6a
transported outside. A tray 18e is arranged as a document receiver in the direction in which the document is conveyed by the conveyor belt 18c.

The tray 18e of this document tray is fixed to the upper surface of the exterior plate 1a. When the original is transported from above the contact glass 6a to the above-mentioned transport bell) 18c, the original document receiver is the tray 18e.
be accommodated in.

The document insertion table 19 is placed so as to cover the conveyance bell) 18c.
is located. A turn roller 20 is arranged between the document feeding means 18b and the conveyance heald 18c,
A pinch roller 21 is pressed onto this turn roller 20, and these turn roller 20 and pinch roller 2
A manual document insertion slot 19a for manually inserting a document is formed between the document insertion table 1 and the document insertion table 19. When a manual original is inserted into the manual original insertion slot 19a using fingers while being guided by the original insertion table 19, the original is transferred between the turn roller 20 and the pinch roller 2 due to the rotational force of the turn roller 20.
The contact glass 6a is held between the contact glass 6a and the conveyor belt 18c, and is conveyed by the conveyor belt 18c in the same manner as described above.

Near the document setting table 18a, there is a first document set detection means 2 comprising a light emitting element 22a and a light receiving element 22b for detecting whether or not a document is set on the document setting table 18a.
2 is placed. Further, near the document insertion table 19, a second document set detection means 23 consisting of a light emitting element 23a and a light receiving element 23b for detecting whether or not a document is set thereon is arranged. .

The copy paper conveying means 12 includes a feeding roller 12a for feeding the copy paper p sent from the fixing device 11, and a reversing means 13 for transferring the copy paper p fed by the feeding roller 12a.
and a guide plate 12b that guides the user.

A switching claw 12c that switches the direction of the copy paper p that has passed through the reversing means 13, a guide plate 12d that guides the copy paper p guided upward by the switching claw 12c, and a feed roller 1.
2e, a guide plate 12f that guides the copy paper p guided by the switching claw 12C toward the sorter 2, and a belt conveyance roller 12g.

The conveyor belt 12h is located on the side of the sorter 2 of the belt conveyor roller 12g closest to the sorter 2, and the copy paper p
switching claw 12 that guides the material to the sorter 2 or intermediate tray 14
Consists of i.

A copy receiving tray 24 is arranged in the conveyance direction of the feed roller 12e. The copy paper p guided upward by the switching claw 12C is discharged onto the tray 24 by the guide plate 12d and the feed roller 12e. Near the guide plate 12d, a copy paper discharge sensor 25 is disposed, which includes a movable piece that is displaced by the copy paper p and a sensor that detects the displacement of this movable piece.

Copy paper p guided downward by the switching claw 12i
are accommodated in the intermediate tray 14. This intermediate tray 14 is rotatably arranged. A feed roller 27 is arranged above the intermediate tray 14. A tray pushing means 28 is arranged below the intermediate tray 14. The tray push-up means 28 pushes up the intermediate tray 14 when feeding the copy paper p accommodated in the intermediate tray 14, and presses the copy paper p accommodated in the intermediate tray 14 against the feed roller 27. Copy paper p pressed against this feed roller 27
The copy paper supply device 9 is moved by the rotational force of the feed roller 27.
The image is sent to the feeding means 9b, and fed between the photoreceptor 3 and the transfer device 8 by this feeding means 9b. An intermediate tray sensor 29 consisting of a light emitting element and a light receiving element is arranged near the intermediate tray 14 to detect whether copy paper p is stored therein.

The reversing means 13, as shown in FIGS. 3 to 5,
A main reversing roller 13a and two reversing rollers 13b displaceably pressed against the upper part of the main reversing roller 13a.

13c, two reversing guide plates 13d disposed above these, a reversing roller 13e disposed above these reversing guide plates 13d, and this reversing roller 13.
It consists of a return roller 13f, etc., which is arranged so as to be able to come into contact with and be separated from e.

The reversing rollers 13b and 13C are 1 reversing solenoid 13
g and 13h, so that they can be placed in close positions as shown in FIG. 3 and in positions separated from each other as shown in FIGS. 4 and 5. When the reversing solenoids 13g and 13h are OFF, the reversing rollers 13b and 13c approach each other,
Further, when the reversing solenoids 13g and 13h are ON, the reversing rollers 13b% and 13c are separated from each other.

The return roller 13f can be displaced by a return solenoid 13i. This return solenoid 13i is ON
In this case, the return roller 13f is pressed against the reverse rotation roller 13e, and when the return solenoid 131 is OFF, the return roller 13f is separated from the reverse rotation roller 13e.

A reversing sensor 30 is arranged near the main reversing roller 13a and reversing roller 13b to detect whether or not there is copy paper p between them.

The reversal sensor 30 includes a movable piece 30a that is displaced by the copy paper p, and a photointerrupter 30b that detects the displacement of the movable piece 30a.

When the reversing solenoids 13g and 13h are ON, that is, as shown in FIG. 4, the reversing rollers 13b and 13C
are arranged at positions separated from each other, the copy paper p is placed between the main reversing roller 13a and the reversing roller 13b.
If there is no movable piece 30H, the lower part of the movable piece 30H is located between the light emitting element and the light receiving element of the photointerrupter 30b, the reversal sensor 30 is OFF, and the main reversing roller 13a is reversed as shown in FIG. When there is a copy paper p between the rollers 13b, the movable piece 30a is displaced by the copy paper p, and the lower part of the movable piece 30a is moved to the 7-way interface 30b.
A reversal sensor 30 is turned on, spaced apart from between the light emitting element and the light receiving element.

This reversal sensor 30 is a reversal solenoid 13g113
When h is OFF, it is evacuated from the path of copy paper p and maintained OFF.

If not in reverse mode, 1 reverse solenoid 13g, 1
3h is OFF, and the reversing rollers 13b and 13c are close to each other as shown in FIG. Paper p is reversal guide plate 1
3d, but is inserted between the main reversing roller 13a and reversing rollers 13b and 13C, and is sent in the direction of the switching claw 12C by these.

5 reversal solenoid 13h, 1 when in reversal mode
3g is ON and the reversing roller 13b.

13c are spaced apart from each other as shown in FIGS. 4 and 5, and the copy paper p inserted between the main reversing roller 13a and the reversing roller 13b is reversed and guided by the main reversing roller 13a and the reversing roller 13b. The leading edge of the copy paper p is guided by the plate 13d and passes between the reversing roller 13e and the return roller 13f separated from the reversing roller 13e. 131). At this point, the reversal sensor 30 turns from ON to OFF, so the return solenoid 1
3i is turned on and the return roller 13f becomes the reverse rotation roller 13.
These move in the direction e and grip the copy paper p. In this state, the reversing roller 13e and the return roller 13f are rotated in the direction of the arrow in FIG. 4, so the copy paper p is inserted between the main reversing roller 13a and the reversing roller 13c, and is thereby directed toward the switching claw 12c. Sent. The copy paper p fed by the main reversing roller 13a and the reversing roller 13C has its upper and lower surfaces reversed when inserted between the main reversing roller 13a and the reversing roller 13b.

When a plurality of copy sheets p are successively fed to the reversing means 13, the preceding copy sheets p are sent to the reversing roller 13e.
and the return roller 13f, and the main reversing roller 13
After being inserted between the main reversing roller 13C and the reversing roller 13C and being held therebetween, the subsequent copy paper p is inserted between the main reversing roller 13C.
The feeding timing of the copy paper p is adjusted so that it is inserted between the copy paper p and the reverse R-roller 13b.

The electronic copying machine 1 operates in one single-sided mode, double-sided mode, composite mode, and inversion mode.

The above-mentioned single-sided mode means that the image of one original is copied onto only one side of the copy paper p, and the copy paper p is not reversed by the reversing means 13 and is ejected to the copy receiving tray 24 without passing through the intermediate tray 14. refers to mode.

The double-sided mode is a mode in which the image of one original is copied onto one side of the copy paper p, and the image of another original is copied onto the other side of the copy paper p.

In the case of double-sided mode, the copy paper p copies the image of one original on one side, is inverted by the reversing means 13, passes through the intermediate tray 14, and then copies the image of the other original on the other side. After copying, the sheet is not reversed by the reversing means 13 and is ejected to the copy receiving tray 24 without passing through the intermediate tray 14.

The above-mentioned compositing mode refers to a mode in which images of two originals are superimposed and copied on one side of the copy paper p.

In the case of composite mode, the copy paper p is first
After copying the image of one original onto one side of the original, the image is not reversed by the reversing means 13 and passes through the intermediate tray 14:
After the image of another document is copied again on one side of the I-bee paper P on which the copy has been made, the copy receiver outputs the paper to the tray 24 without being reversed by the reversing means 13 and without passing through the intermediate tray 14. .

The above-mentioned reversing mode refers to a mode in which the copy paper p is reversed by the reversing means 13 after copying in the single-sided mode and the copy paper p is ejected to the tray 24, or a mode in which the copy paper p is copied onto the second side of the copy paper p in the duplex mode and the composite mode (same This is a mode in which the copy paper P is reversed by the reversing means 13 after the second copy is made on the copy paper P, and the copy paper P is discharged onto the copy receiving tray 24.

The sorter 2 includes a horizontal conveyance means 2b which is disposed inside the upper part of the exterior plate 2a and conveys the copy paper p conveyed by the conveyor belt 12h of the electronic copying machine 1 in the horizontal direction;
Copy paper p transported by this horizontal transport means 2b
a direction switching guide plate 2C that directs the direction switching guide plate 2C downward; a vertical conveyance means 2d disposed below the direction change guide plate 2C and conveying the copy paper p vertically downward; and this vertical conveyance means 2d.
A plurality of bins 2e are disposed near the bins 2e at predetermined intervals vertically, and a vertical conveyance means 2d disposed corresponding to the bins 2e conveys the text copy paper p to the bin p. A plurality of deflecting cams 2f are arranged so as to be vertically movable between the vertical conveying means 2d and the bin 2e, and the copy paper p, whose direction can be changed by the deflecting cams 2f, is transferred to a predetermined bin 2e. 2g.

The horizontal conveyance means 2b includes a plurality of feed rollers 2bl and a guide plate 2b2. The vertical conveyance means 2d includes 2
″2 belt conveyance roller 2dl.

It consists of a conveyor belt 2d2 attached to these, and a suction fan 2d3 that sucks the copy paper p toward the conveyor belt 2d2. The deflection cam 2f is displaced by separate solenoids (not shown). The bin switching means 2g includes a guide plate 2g2 that guides the copy paper p, which is provided on a holding plate 2gl that is raised and lowered by a drive means (not shown) and whose direction can be changed by a deflection cam 2f, and a guide plate 2g2 that guides the copy paper p, which is guided by the guide plate 2g2. copy paper p to bin 2
It consists of a feed roller 2g3 that sends it to e. A copy paper discharge sensor 31 consisting of a movable piece and a sensor that detects displacement of the movable piece when pushed by the copy paper p is arranged on the holding plate 2gl of the bin switching means 2g.

The operation of the sorter 2 includes a sort mode and a stack mode.

The above-mentioned sorting mode refers to a mode in which a plurality of copy sheets p per one document are sequentially distributed sheet by sheet to each bin 2e in the single-sided mode, double-sided mode, combination mode, and inversion mode of the electronic copying machine 1. The above-mentioned stack mode means that in the single-sided mode, double-sided mode, combination mode, and inversion mode of the electronic copying machine 1, a plurality of copy sheets p for one document are stacked and stored in one bin 2e, and.

This is a mode in which when the number of copy papers p is greater than the number of copies that can be accommodated in one bin 2e, a layer of copy paper pHf is stored in the next bin 2e.

A copy receiving tray 32 is arranged on the upper surface of the exterior plate 2a of the sorter 2. This copy receiver has a tray 32 and a feed roller 2 closest to the electronic copying machine 1 of the horizontal conveying means 2b.
A switching pawl 33 and a feed roller 34 are arranged between the bl and the bl. When the copy paper p is jammed in the sorter 2, the switching claw 33 switches the following copy paper p to the tray 32.
The copy is ejected onto the copy receiving tray 32 in the direction of. The copy receiver is provided with a manual copy tray 35 above the tray 32 for manually inserting copy paper p into the sorter 2. When the copy paper P discharged onto the tray 32 of the copy receiver is inserted from the manual copy tray 35 after removing the jammed copy paper P from the sorter 2, it is stored in a predetermined bin 2e.

When a plurality of operation modes of the electronic copying machine 1 and the sorter 2 are set or reset, the copy receiver determines whether the top surface of the copy paper p discharged to the tray 24 or the bin 2e is the front side or the back side. Shown in the table below. Here, the surface of the copy paper p refers to the surface of the copy paper p on which an image is copied in the single-sided mode and composite mode of the electronic copying machine 1, and the surface of the copy paper p on which the image is first copied in the duplex mode. refers to the side of In addition, in the table below, if each mode is set, "1"
and the case where it has been reset is "OJ".

As shown in this table, when the reverse mode is set, the electronic copier (including the sorter) is set to the simplex mode (the mode when all other modes are not set).
1 composite mode, double-sided mode.

The copy paper p in the stack mode and the sort mode is discharged with its front and back sides reversed in the basic paper discharge mode.

FIG. 6 shows an operation display panel 36 provided on the upper surface of the exterior plate 1a of the electronic copying machine 1, which will be explained next.

The operation display panel 36 has information on whether to turn the power ON or OFF.
power key 37, ON or OFF of this power key 37
Power indicator 38 that displays F. A print key 39 for starting copying, a numeric keypad 40 for setting the number of copies, and a 1-copy set counter display 41 for displaying the value of a 1-copy set counter that counts the values set by these 10-key keys 40. A copy execution counter display 42 that displays the value of a copy execution counter that counts the number of copies made. A clear/stop key 431 that clears the copy number set counter and the copy number execution counter and instructs to interrupt the copy operation; and an inversion key 44 that selects the inversion mode. Inversion mode display 45 to display ON or OFF of this inversion key 44.Composition key 46 to select composition mode, composition mode display 471 to display ON or OFF of this composition key 46.Double-sided key 48 to select duplex mode. , a duplex mode indicator 49 that displays whether the duplex key 48 is ON or OFF. Stack key 5 to select stack mode
0. A stack mode indicator 51 that displays whether this stack key 50 is ON or OFF, a sort key 52 that selects the sort mode, and whether this sort key 52 is ON or OFF
Sort mode indicator 53 that displays F. Two density adjustment keys 54 for adjusting the copy density, and a density display 551 for displaying the density set by these density adjustment keys 54.
An interrupt key 56 for performing an interrupt copy operation, and an interrupt indicator 571 that displays whether this interrupt key 56 is ON or OFF.
During back copy operation in duplex mode and second copy in composite mode
Original 2 display 5 that displays the mode during side copy operation
8. Paper feed tray designation key 59 for selecting the paper feed tray 9a containing copy paper p. Specified paper feed tray 9a
Specified paper feed tray indicator 60. Paper feed tray 9a
Paper feed size display 61 that displays the size of copy paper p
．． A magnification key 62 for selecting a copy magnification and a magnification display 63 for displaying which of these magnification keys 62 is turned on are provided.

FIG. 7 shows the control means of the electronic copying machine paper discharge control device of the present invention, which will be explained next.

Above power key 37. Print key 39. Numeric keypad 40.
Clear/stop key 431 Reverse key 44, Composite key 46, Double-sided key 48. Stack key 50. Sort key 5
2. First original set detection means 22. Second document set detection means 23, reversal sensor 30. Intermediate h-ray sensor29. Information about the scanner sensor 17 and other keys and sensors is provided to the input interface circuit 64. This input interface circuit 64 is connected to an input port of a microcomputer (hereinafter referred to as "microcomputer") 65.

An output interface circuit 66 is connected to the output port of the microcomputer 65. This output interface circuit 66 includes a two-inversion mode indicator 451, a composite mode indicator 471, a double-sided mode indicator 49. Stack mode indicator 51. Sort mode indicator 53. Original 2 display 581
Reversing solenoid 13g, 13h, return solenoid iai
and other loads are connected.

The RAM of the microcomputer 65 includes a reversal key flag for storing the rise of the 5 reversal key 44, a reversal mode flag for storing the reversal mode, a composite key flag for storing the rise of the composite key 46, a composite mode flag for storing the composite mode, and a double-sided key. A double-sided key flag that stores the rise of 48, a double-sided mode flag that stores the double-sided mode, and a stack key flag that stores the rise of stack key 50.

A stack mode flag that stores the stack mode, a sort key flag that stores the rise of the sort key 52,
A sort mode flag for storing a sort mode, a second side mode flag for storing a mode for copying to the second side of copy paper p in combination mode and duplex mode, and the like are provided.

Next, the operation of the electronic copying machine paper discharge control device of the present invention will be explained based on the flowcharts shown in FIGS. 8 to 12.

When the power key 37 is turned on, the microcomputer 65's RO
Operations are executed according to the programs stored in M and shown in the flowcharts of FIGS. 8 to 12.

First, in step (2), initial settings are performed, that is, the RAM of the microcomputer 65 is cleared, the input/output ports are cleared, etc.

Next, in step (2) it is determined whether or not the composite key 46 is ON, and if the 1 composite key 46 is ON, it is determined in step (2) whether or not the composite key flag=1. If the composite key flag is not -1 in step ■, the composite key flag is set to 1 in step ■, and then the composite mode flag is set to -1 in step ■.
If the composition mode flag is not 1 in step (2), it is determined in step (2) whether or not the double-sided mode flag is 1. Double-sided mode flag in step ■
If it is not 1, it is the 5 composition mode, so the composition mode flag is set to 1 in step (2), the composition mode display 47 is turned on in step (2), and then the process goes to step @.

If the composite key 46 is not turned on in step ■, step ■
After setting the composite key flag to 0, jump to step @. If the synthetic key flag=1 in step ■, the process jumps to step @.

The composition mode flag is -1 in step (2).

In step [phase], it is determined whether the intermediate tray sensor 29 is ON. If the intermediate tray sensor 29 is not ON in step [phase], it is not the combining mode, so the combining mode flag is set to O in step (2), the combining mode indicator 47 is turned off in step @, and the process jumps to step (2). If the intermediate tray sensor 29 is ON in step @, the composition mode is in the middle, so the process jumps to step @.

If the duplex mode flag=1 in step (2), it is determined in step @ whether the intermediate tray sensor 29 is ON. If the intermediate tray sensor 29 is not ON in step ◎, the duplex copy mode is not in effect, so the duplex mode flag is set to O in step @, the duplex mode indicator 49 is turned off in step @, and then the process returns to step ■. If the intermediate tray sensor 29 is ON in step O, it means that the single-sided mode is in progress, so the process jumps to step @.

The above-mentioned steps ① to [phase] are for receiving the composite key 46.

Next, in step [phase], it is determined whether the double-sided key 48 is ON, and if the 1 double-sided key 48 is ON, it is determined in step O whether the double-sided key flag=1. Step O
The double-sided key flag must be 1.

After setting the double-sided key flag to 1 in step [phase], it is determined whether the double-sided mode flag=1 in step [phase]. If the duplex mode flag is not 1 in step [phase],
In step [phase], it is determined whether the synthesis mode flag=1. If the composition mode flag is not 1 in step [phase], it is duplex mode, so the duplex mode flag is set to 1 in step O, and the duplex mode indicator 4 is set in step [stock].
After turning on 9, go to step [phase].

If the double-sided key 48 is not ON in step @, step [
After setting the double-sided key flag to 0 in step [phase]
Jump to. If the double-sided key flag = 1 at step @, the process jumps to step [phase]. If the duplex mode flag=1 in step @, it is determined in step @ whether the intermediate tray sensor 29 is ON. Step [
If the intermediate tray sensor 29 is not turned on, the single-sided mode will not work.

In step [phase], the duplex mode flag is set to O, and in step @, the duplex mode display 49 is turned off, and then the process jumps to step [phase].

If the intermediate tray sensor 29 is ON in step @, 1
Since you are in the middle of double-sided mode, jump to step [phase]. If the composition mode flag=1 in step [phase], it is determined in step @ whether the intermediate tray sensor 29 is ON. Intermediate tray sensor 29 in step O
If it is not ON, it is not the 2-composition mode, so the composition mode flag is set to 0 in step [phase], the composition mode display 47 is turned off in step [phase], and then the process returns to step @. If the intermediate tray sensor 29 is ON in step O.

Since we are in the middle of synthesis mode, jump to step [phase]. The above steps [phase] to [phase] are double-sided keys 48
This is for the reception.

Next, in step [phase], it is determined whether or not the stack key 50 is ON, and if the stack key 50 is ON, it is determined in step (2) whether or not the stack key flag==1. If the stack key flag is not equal to 1 in step [stock], the stack key flag is set to 1 in step @, and then it is determined in step [phase] whether the stack mode flag is -1. Stack mode flag at step O =
If not 1, sort mode flag = 1 in step [phase]
Determine whether or not. Sort mode = step ■
If it is not 1, it is the stack mode, so the stack mode flag is set to 1 in step [phase], and step [phase] is set to 1.
After turning on the stack mode indicator 51 in [phase].

Go to Step@.

Unless the stack key 50 is turned on in step [phase].

After setting the stack key flag to 0 in step O.

Jump to step @. If the stack key flag = 1 in step ■, the program jumps to step @. If the stack mode flag = 1 in step [phase], the stack mode flag is set to 0 in step [phase], and the stack mode flag is set to 0 in step [phase].
After turning off the stack mode display 51 at step [phase], jump to step [phase]. If the sort mode flag=1 in step [phase], jump to step @. The steps [phase] to [phase] described above are for receiving the stack key 50.

Next, in step [phase], it is determined whether or not the sort key 52 is ON, and if the sort key 52 is ON, step @
It is determined whether the sort key flag=1 or not. If the sort key flag is not 1 in step @, the sort key flag is set to 1 in step @, and then it is determined in step @ whether the sort mode flag is 1. If the sort mode flag is not 1 in step @, it is determined in step @ whether the stack mode flag is 1. If the stack mode flag is not 1 in step @, it is the sort mode, so the sort mode flag is set to 1 in step @, the sort mode indicator 53 is turned ON in step @, and then the process goes to step [phase].

If the sort key 52 is not ON in step @, the sort key flag is set to O in step @, and then the process jumps to step [phase]. If the sort key flag=1 in step ■, the process jumps to step [phase].

If the sort mode flag = 1 in step @.

Set the sort mode flag to 0 at step @, and set the sort mode flag to 0 at step @.
After turning off the sort mode display 53, the process jumps to step [phase]. If the stack mode flag = 1 at step @, jump to step [phase]. The steps @ to @ described above are for receiving the sort key 52.

Next, in step [phase], it is determined whether or not the inversion key 44 is ON, and if the 1 inversion key 44 is ON, it is determined in step (2) whether or not the inversion key flag=1. Step ■
The inversion key flag must be 1.

After setting the inversion key flag to 1 in step @, step [
phase], it is determined whether the inversion mode flag=1.

If the inversion mode flag is not 1 in step @, it is the 1 inversion mode, so the inversion mode flag is set to 1 in step (2), the inversion mode indicator 45 is turned ON in step [phase], and then the process goes to step [phase].

If the inversion key 44 is not ON in step [phase], the inversion key flag is set to O in step [phase], and then the process jumps to step [phase]. If the inversion key flag=1 in step ■, the process jumps to step [phase]. step [phase]
If the inversion key flag is 1, it is not the inversion mode, so the inversion mode flag is set to 0 in step O, the inversion mode display 45 is turned off in step [phase], and the process jumps to step [phase].

Next, in step [phase], it is determined whether the print key 39 is OK for reception. If the print key 39 is OK for reception, it is determined in step [phase] whether the print key 39 is ON. Print key 39 is accepted at step [phase]
If not, and if the print key 39 is not ON in step [phase], the process returns to step (2).

If the print key 39 is ON in step [phase], it is determined in step @ whether the intermediate tray sensor 29 is ON. Intermediate tray sensor 29 is turned on in step O
If so, the second side mode flag is set to 1 in step 0, the document 2 display 58 is turned on in step O, and then the process goes to step 2. Intermediate tray sensor 29 is ON at step 0
Otherwise, jump to step @.

Next, in step ■ ~ [phase], reverse solenoid 13g.

It is determined whether or not to turn on 13h.

When the composition mode flag is -1, the second side mode flag = 1, and the inversion mode flag = 1 (step @ ~ 0) 1 composition mode flag = o, the duplex mode flag - 1, the second side mode flag = 1 and inversion If mode flag = 1 (step 0, 0, [phase].

@) When 1 combination mode flag = O1 duplex mode flag = 0 and inversion mode flag = 1 (step [phase],
@, (3) and the reversing solenoids 13g and 13h only when the composite mode flag = 0°, the double-sided mode flag = 1, and the second side mode flag = 0 (steps o, o, o)
is determined to be ON, and the inversion solenoids 13g and 13h are turned ON in step [phase].

Turn on reversal solenoids 13g and 13h in step [phase]
After that, it is determined in step [phase] whether or not the reversal sensor 30 is ON. If the reversal sensor 30 is ON in step [phase], the return solenoid 131 is turned OFF, and if the reversal sensor 30 is not ON in step [phase], the return solenoid 131 is turned ON in step [phase], and then the return solenoid 131 is turned ON in step [phase]. go to If it is determined in steps [stock] to [phase] that the reversing solenoids 13g and 13h are not turned on, the process jumps to step @.

Next, in step @, it is determined whether the number of copies set equals the number of copies to be executed. If the number of copies set does not equal the number of copies to be executed in step [phase], the process returns to step O.

If the number of copies set = the number of copies to be executed in step [phase], the return solenoid 131 is turned OFF in step @, the reversal solenoid 13g113h is turned OFF in step [phase], and then the operation is completed in step [phase]. Determine. If the operation is not completed at step [phase], return to step ■.

Effects According to the present invention, it is possible to selectively reverse the front and back sides of copy paper in the basic paper ejection mode,
In addition, it is possible to display the reverse ejection of copy paper.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of the present invention, FIG. 2 is a schematic diagram showing an electronic copying machine paper discharge control device as an embodiment of the present invention, and FIGS. 3 to 5 show reversing means of the same device. Fig. 6 is a plan view showing the operation display panel of the same device;
FIG. 7 is a block diagram showing the control means of the above device, and FIGS. 8 to 12 are flowcharts for explaining the operation of the same device. 1...Electronic copying machine, 2...Sorter, 3...Photoconductor, 13...Reversing means, 44...Reversing key,
45...Reverse mode F display, 65...Microcomputer light (0 flash)

Claims (1)

[Claims] The present invention is characterized by comprising a reversing ejection means for reversing and ejecting the front and back sides of the copy paper in a basic ejection mode of the copy paper, and an inversion mode display means for displaying the reversal ejection of the copy paper by the reversing ejection means. Electronic copying machine paper ejection control device.