JP3461231B2 - Copier with multi-job function - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a first copying mode.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a copying apparatus having a multi-job mode function for setting and executing a second copying mode during execution of a mode, and more particularly to shortening the feeding time and copying time of a document to be read.

[0002]

2. Description of the Related Art A copying machine having a multi-job mode function for setting and executing a second copying mode during execution of a first copying mode is used. A copying machine having a conventional multi-job mode function is disclosed in, for example, Japanese Patent Laid-Open No. 54-39135.
As described in Japanese Patent Publication No. JP-A-2004-320, there are a plurality of manuscript mounting tables, the copy conditions of the manuscripts mounted on each manuscript mounting table are respectively set, and the copying of the manuscripts mounted on one manuscript mounting table is performed. When the operation is completed, the copy operation is performed on the original placed on another original placing table. Further, a circulation type document feeding device which recirculates a document and conveys it to the image reading section is disclosed in, for example, Japanese Patent Laid-Open No. 2-8171. According to this apparatus, since the read original is set again on the original placing table and then conveyed again to the reading unit, it is possible to automatically obtain a plurality of correctly collated copies.

Further, a copying machine in which a circulation type document feeder and an automatic document feeder are combined is also disclosed in, for example, Japanese Patent Laid-Open No. 2-1380.
No. 77, JP-A-3-261968, etc. This copying apparatus circulates and reads a document placed on a document placing table of a circulation type document feeding device, and feeds a circulation type document when reading a document placed on a document placing table of an automatic document feeding device. The document is sent to the device and once set on the document placing table of the circulation type document feeding device, then the document is conveyed to the reading section so that the document placed on the automatic document feeding device is automatically read and copied. I have to.

[0004]

However, as described above, the original placed on the original placing table of the automatic original feeding apparatus is once set on the original placing table of the circulation type original feeding apparatus and then read. Therefore, it takes time to convey the document from the document placing table of the automatic document feeder to the document placing table of the circulation type document feeder, and when copying many documents, it takes much time to convey the document. Therefore, the work efficiency is poor, and the operator has to wait until the time is wasted.

Until the copying operation of the original conveyed from the original placing table of the automatic original feeding device to the original placing table of the circulation type original feeding device is completed, the original is placed on the original placing table of the automatic original feeding device. Then, the next copy mode cannot be reserved, and it is necessary to wait until the copy operation of the original document is completed, which wastes time.

Further, in the case of having a circulation type document feeding device and an automatic document feeding device, a large number of documents can be automatically conveyed and copied, so that a large number of document discharge trays of the circulation type document feeding device are provided. When a document is ejected, there is a risk of document jamming.

The present invention has been made in order to solve such a problem, and an object of the present invention is to obtain a copying apparatus with a multi-job mode function, which can reduce the document conveying time and can perform the copying operation efficiently. It is what

[0008]

A copying apparatus with a multi-job function according to the present invention is provided with a first original placing table and a first original placing table.
A first document placing table including a document conveying unit and a document discharging unit
Mounts the first original, and the first original conveying means
The originals placed on the draft table are sequentially conveyed to the image reading unit,
The document discharge means places the read document on the first document table.
At least one first document discharge path for discharging and reading
At least one of the delivered originals to the original output tray
Second document discharge path, first document discharge path and second document
Circulation type automatic system having paper discharge switching means for switching the paper discharge path
Document feeder, second document holder and second document feeder
And a second document mounting table for mounting a second document to be read.
The second document transport means is placed on the second document table.
The first original of the circulating automatic document feeder
One or more automatic document feeds that automatically convey to the conveyance means
In a copying machine with a multi-job function
Document setting detection means, display means, and operation mode setting
Stage, mode storage means, mode selection means, and central processing unit
And the document set detection means is the automatic document feeder.
The presence of a document placed on the table is detected and the display means
Copy mode by placing a new document on the automatic document feeder
Is displayed, and the operation mode setting means displays
The first document placed on the circulating automatic document feeder is
Copy mode and the second document placed on the automatic document feeder
You can set the copy mode of the original individually and copy the second original.
The copy mode of the first original is set when setting the mode.
If the reserved mode is set, the copy mode for the second original is
Mode is set, and the mode storing means sets the copy mode of the first original.
Mode and the copy mode of the second original are stored, and the mode is selected.
The selecting means executes the copy operation according to the set copy mode.
The original is fed from the automatic document feeder.
Select the second copy mode when copying starts and copy operation
The central processing unit causes the automatic document feeder to
The second document placed on the table is placed in the circulating automatic document feeder.
Second original selected by the mode selection means after being conveyed to the storage
When performing the copy operation in the copy mode of
All of the second original placed on the feeder has been conveyed
Is detected by the document setting detection means, the copy mode is
The fact that the reservation can be made is displayed on the display means, and the operation mode is displayed.
Reserve the copy mode immediately with the mode setting means
Characterized by enabling storage in a memory
It

The central processing unit uses the circulating automatic document feeder.
The presence or absence of a document and the copy mode of the automatic document feeder and the automatic document feeder.
Depending on the mode, the circulating automatic document feeder and the automatic document
Identify one of the feeders as being able to set the reservation mode
indicate.

[0010]

[0011]

[0012]

[0013]

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, a document feeder of a copying machine includes a circulating automatic document feeder (hereinafter referred to as RDF) and an automatic document feeder (hereinafter referred to as ADF). The document feed port of the ADF is connected to the document feed path of the RDF, and when the document placed on the ADF is copied, the document is sent to the image reading section of the RDF.

The RDF conveys the original placed on the original placing table to the image reading section and resets the read original on the original placing table again. It has a discharge path. The read document passes through the reverse discharge path and is set again on the document table with the front and back reversed so that a double-sided document can be read. The original that has passed through the forward rotation discharge path is set again on the original placing table in the same state as when it was placed on the original placing table, and the single-sided original can be repeatedly read.

This copying machine has a mode setting means in the operation section, and a mode selecting means in the control section of the copying machine body.
The control unit of the document feeder has a document presence / absence determining unit and a conveyance path switching unit. The mode setting means individually sets the first copy mode of the original placed on the RDF and the second copy mode of the original placed on the ADF, and sets the second copy mode. If the first copy mode is set when the setting is made, the second copy mode is set by reservation setting. The mode selection means causes the copy operation to be executed by the set copy mode, and when the document starts to be conveyed from the ADF, the second copy mode is immediately selected to execute the copy operation, and the ADF is executed.
Quickly copy the original set in. Also, RDF
The second copying mode is immediately selected to execute the copying operation even when the copying operation of the original placed on the sheet is completed and the transportation of the original set by the ADF is started.

When the document placed on the ADF is sent to the RDF and it is determined that there is no document, the document presence / absence determining means outputs a document set enable signal to place and copy a new document on the ADF. Make it clear that the mode can be set.

Further, according to the presence / absence of originals of RDF and ADF and the copy mode, the original placing table for which the reservation mode can be set is specified and displayed to facilitate the setting of the reservation mode.

Further, the conveyance path switching means prohibits the discharge to the document discharge tray when the number of documents discharged to the RDF document discharge tray exceeds a predetermined number, and the
It prevents the original jam from occurring by ejecting the original onto the original placing table.

Further, the control section of the document feeder is provided with a conveyance path switching means to prohibit the copying operation when the number of documents discharged to the document discharge tray of the RDF reaches a predetermined number. The copy operation is restarted when the originals discharged to the paper discharge tray run out, and the original jam and the originals are prevented from being mixed.

[0021]

1 is a block diagram showing an embodiment of the present invention. As shown in the figure, the copying machine having the multi-job mode function has a copying machine main body 1, a document feeder 2 and a finisher-3. The copying machine main body 1 is for copying a document conveyed on the contact glass 101 by the document feeding device 2. From the document feeder 2 to the contact glass 10
When the original document is conveyed onto the sheet 1, the original document on the contact glass 101 is illuminated by the flash lamp 102. Electric power is supplied to the power source 103 of the flash lamp 102 prior to the flash and emits light at a predetermined timing.
The reflected light from the document is the first mirror 104, the through lens 1
05, the belt photosensitive member 107 is exposed through the second mirror 106. An electric charge is uniformly applied to the belt photoconductor 107 by a charger 108, and an electrostatic latent image is formed by exposure. The electrostatic latent image formed on the belt photosensitive member 107 has an unnecessary portion of electric charges removed by the eraser 109.
It is developed by 10 and sent to the transfer section. The developed toner image of the original is transferred to the transfer paper by the transfer charge 111 of the transfer unit. The transfer paper is the paper feed tray 112, 11
The sheet is fed from any one of the trays 3, 114 and the double-sided tray 124 and is conveyed along the conveying path 115, and the registration roller 1
16 adjusts the timing with the original image on the belt photosensitive member 107 to transfer the belt photosensitive member 107 to the transfer charger.
It is sent to and from 111. Therefore, the transfer paper on which the toner image is transferred is separated by the belt charger 1 by the separation charger 120.
It is separated from No. 07, passes through the conveyor belt 117, and is fixed by the fixing device 118.

In the double-sided mode for copying on both sides of the transfer paper,
The double-sided switching claw 121 is switched to the double-sided tray 124 side,
The transfer paper sent from the fixing device 118 is sent to the double-sided tray 124 through the double-sided entrance path 123 and is temporarily stored in the double-sided tray 124. In the single-sided mode in which only one side of the transfer paper is copied, the double-sided switching claw 121 is switched to the paper discharge side,
The transfer sheet sent from the fixing device 118 is conveyed to the discharge switching claw 122. The discharge switching claw 122 switches whether the transfer paper is discharged to the main body tray 119 side or the finisher-3.

After the transfer paper is separated, the belt photoconductor 107 is decharged by the charge removal charger-125, and the cleaning device 126 removes the residual toner on the belt photoconductor 107.
Are removed to prepare for the next copy.

Since the belt photosensitive member 107 has a seam, the image forming area on the belt should avoid the seam,
Each size is set to have an equal interval. For example, the belt photosensitive member 1 cut and developed at the seam in FIG.
As shown in the layout diagram of the image forming area (segment) 07, there are five A4 segments 107a and one B4 segment 1
Four 07b and three A3 segments 107c are determined so as to be at equal intervals, and a synchronization mark 107d is provided at a position separated from the seam by a predetermined distance.

FIG. 3 shows the main body 1 of the copying machine and the belt photosensitive member 10.
7 is a block diagram showing a control unit for forming a toner image on No. 7 and transferring the toner image to the transfer paper conveyed from the paper feed trays 112 to 114. FIG. As shown in the figure, the control unit includes a CPU 401 for controlling the operation of the copying machine main body 1, an output port 402, an input port 403, a motor control unit 404, a power pack 405, and a frequency divider 406. Various sensors 410-4
In addition to 20, the mode storage unit 431 and the mode selection unit 432 are provided. A motor control unit 404, a power pack 405, etc. are connected to the output port 402 to control various loads.
Various sensors are connected to the input port 403 to input sensor signals. The mode storage unit 431 stores one or a plurality of types of copy modes of the original placed on the original feeding device 2. The mode selection unit 432 selects the copy mode stored in the mode storage unit 431 in the specified order and selects the operation mode for executing the copy operation.

Then, in the copying machine main body 1, the belt photosensitive member 107
When a toner image is formed on the belt photoreceptor 1 in order to avoid the seam of the belt photoreceptor 107, the belt photoreceptor 1 is formed before the image formation.
It is necessary to determine the image forming area (segment) on 07. Therefore, the drive signal from the output port 402 is the motor.
It is input to the control unit 404 and drives the photoconductor drive motor 408. The belt photosensitive member 107 is driven by driving the photosensitive member driving motor 408, and a synchronous marker is provided at an end of the belt photosensitive member 107 at a position separated from the seam by a predetermined distance.
The mark 107d is detected by the mark sensor-410. An encoder 409 is integrally attached to the photoconductor drive motor 408 and outputs a number of pulses proportional to the moving distance of the belt photoconductor 107. The pulse signal is the motor
It is input to the control unit 404 and is used to rotate the photoconductor drive motor 408 at a constant speed and the frequency divider 40.
It is also input to 6. The frequency divider 406 divides the pulse signal by a predetermined frequency division ratio, and then the pulse signal is input to the CPU 401 and the number thereof is counted. Since this count value is proportional to the amount of movement of the belt photosensitive member 107, the CPU 401 determines the segment from the count value from when the mark sensor-410 detects the synchronous mark 107d.

That is, when the tip of the segment reaches a predetermined position, the sequence operation starts, and the sequence control counter of the CPU 401 starts operating. This counter is counted up by the pulse signal from the frequency divider 406 and is cleared when the sequence is completed. The counter starts operating and its value is "C
When the value becomes "NT1", a signal is output from the output port 402 to the power pack 405, and the charger 108 operates to uniformly charge the belt photosensitive member 107. Next, when the count value reaches "CNT2", a charge start signal is input from the output port 402 to the flash power source 103, and electric charges are stored in the capacitor in the flash power source 103 to turn on the flash lamp 102. Flash lamp 1 by sending a signal to flash power supply 103
02 is turned on, and the document set on the contact glass 101 is irradiated with light to expose the belt photosensitive member 107.
This flash signal is output when the count value is "CNT3". When the belt photosensitive member 107 rotates and the leading edge of the image reaches the position of the eraser 109 and becomes "CNT4", the image is erased.
When the portion of the server 109 corresponding to the image is turned off and the trailing edge of the image reaches the position of the eraser 109 and becomes "CNT5",
All of the eraser 109 is turned on, excess charges on the belt photosensitive member 107 are erased, and an electrostatic latent image is left only on the original image portion. This electrostatic latent image is developed by the developing device 110, and in the case of the front side copy, it is transferred from one of the paper feed trays 112, 113 and 114 to the transfer sheet, and in the case of the back side copy it is transferred from the double sided tray 124. It is transferred to the transferred transfer paper. In order to synchronize with the original image, the transfer sheet starts to be conveyed at different timing depending on which tray the sheet is sent from. The sheet on which the original image is transferred passes through the conveyance belt 117 and the fixing device 11
It is fixed by 8. Double-sided switching claw 121 is "CNT6"
If it stacks on the double-sided tray, it is switched to the double-sided tray side, otherwise it is switched to the discharge side. The discharge switching claw 122 operates at “CNT7” and switches between discharging the transfer sheet to the main body tray and sending it to the peripheral device. The sequence operation ends when the transfer paper is ejected.

The copying process is realized by successively executing the sequence process at the movement timing of the segment. Since the normal copying process is determined by this segment size and the paper size to be used, the processing speed of A4 size is the fastest, B4 size is the next, 4/5 of A4 size, and 5 of A3 size. It becomes 3/3.
The change of the processing speed is realized by changing the correspondence between the segment size and the paper size. That is, the paper size is A4
Even if you use the B4 segment,
In addition, it is possible to reduce it to three-fifths by using the A3 segment. When the paper size is B4, it can be reduced to three quarters by using the A4 segment.

As shown in the configuration diagram of FIG. 4, the document feeder 2 is a circulating automatic document feeder (hereinafter referred to as RDF).
200 and automatic document feeder (hereinafter referred to as ADF) 23
Has 0 and.

The RDF 200 includes an original placing table 201, a vacuum belt 202, an original feeding roller 203, an intermediate conveying path 204, a turn roller 205, and an original conveying belt 2.
06, etc., a paper discharge switching claw 207, a reverse discharge path 212, a forward rotation discharge path 213, and a document discharge tray 2
A paper discharge passage 217 for discharging a document is provided at 19. Then, the original stack placed downward on the original placing table 201 is fed to the original feeding port of the intermediate conveying path 204 by the movement of the vacuum belt 202 while the lowermost one original is attracted to the vacuum belt 202. Prior to this paper feeding, the document partitioning claw 215 is once drawn into the upper left side of the document placed on the document placing table 201, and then pushed out again and set on the document stack. In this state, the original fed by the vacuum belt 202 is the original feeding roller 203.
Is sent to the intermediate conveyance path 204 and temporarily stopped. The stopped original is set on the contact glass 101 by the turn roller 205 and the original conveying belt 206 by the subsequent restart, and the characters and images of the original are read by the copying machine main body 1.

When the read original is discharged, and when copying is repeatedly performed, the discharge operation is different between a single-sided original and a double-sided original. When ejecting a single-sided original, the original on the contact glass 101 is fed by the original feeding belt 206.
Is guided to the document discharge path 209, and when the rear end of the document is detected by the reversing sensor-211, the switchback roller-210 reverses to reverse the document guided to the document discharge path 209. To run. On the other hand, the trailing edge of the document is the reverse sensor-2.
11 when the paper discharge switching claw 207 is detected in the forward rotation discharge path 2
It turns to the 13 side. By the rotation of the paper discharge switching claw 207, the document from the document discharge path 209 is guided to the forward rotation discharge path 213, and the document discharge roller-214 puts it on the document stack of the document table 201 in the same direction. Is discharged. The read and discharged originals and the original placed on the original placing table 201 are separated by the original partitioning claw 215.

When the double-sided original is discharged, the switchback roller-210 does not rotate in the reverse direction, and the reverse discharge path 21 remains unchanged.
2 and the original placement table 2 is set by the original output roller-214.
No. 01 document stack is ejected. Therefore, the document that has been re-stacked on the document placement table 201 has its previously read surface facing upward and its unreadable back surface facing downward.
When the paper is fed again in this state, the back surface of the original is exposed and read on the contact glass 101, and the original state is restored by passing through the reverse discharge path 212 again. At this time,
The detection of the final document of the document stack placed on the document table 201 is performed by the document partitioning claw 215 set on the document before the document is transported and falls into the partitioning claw detection sensor 216 by feeding the final document. By doing so, it is detected that the original bundle has circulated once.

In the ADF 230, as shown in FIG. 4, the document bundle placed on the document placing table 231 with the image surface facing downward is regulated by the separating blade 232 and only the lowermost original is separated by the separating roller. The sheet is fed by the conveying force of the caller 233 and the calling roller 234. The fed originals are pulled out by the pull-out roller 235.
Then, it is transported to the turn roller 205 of the RDH 200 and set on the contact glass 101 by the transport belt 206. When the original is set, the copying machine main body 1 is activated and copying is performed. When the document set on the contact glass 101 is discharged to the document discharge tray 219, the conveyor belt 206 is driven to switch the discharge switching claw 207 to the upper side, that is, the conveyor belt 206 side, and by the discharge roller 218. The document is discharged to the document discharge tray 219. RDF
When the document is conveyed to the document placing table 201 of No. 200, in the case of the normal rotation ejection, the conveyor belt 206 is operated, and the ejection switching claw 2
07 is switched to the lower side, is sent to the document discharge path 209, and when the trailing edge of the document once entering the discharge path is detected by the reversing sensor-211, the switchback roller-210 reverses and the document is fed backward. . At this time, the paper discharge switching claw 207 is switched to the upper position, the original is sent to the normal rotation discharge path 213, and the original discharge roller-214 discharges the copy surface of the original table 201 downward. Switchback roller-2 for reverse discharge
There is no reverse rotation of 10 and it is sent to the reverse discharge path 212 as it is, and the surface copied on the document table 201 is discharged upward. The setting of an original on the original placing table 231 is detected by the original set detection sensor 236, and when all the set originals are sent out, the absence of the original is detected.

A document is sent from the ADF 230 to the RDF 200, and a document presence / absence detection sensor 221 is provided in the conveyance path. The document presence / absence detection sensor 221 causes the ADF 230 to the RDF 20.
It is detected that the document is conveyed to 0.

As shown in the block diagram of FIG. 5, the control section of the document feeder 2 outputs the CPU 241 which is a one-chip microcomputer in which a ROM, a RAM, an AD converter and a serial communication port are integrated. In addition to the port 242, the motor driver 243, and the input port 244, it has a document presence / absence judging section 245, a copy prohibiting section 246, and a discharged sheet counting section 247. The document size detected by the document size sensor 248 is input to the AD converter of the CPU 241. Output port
The switch 242 sends a control signal to the motor driver 243, and the document feeding clutch 249 and the partitioning claw solenoid 25.
Drive 0 etc. The motor driver 243 is RDF200.
Document transport motor 251, belt drive motor 252, document discharge motor 253, and ADF 230 document transport motor 2
Drive 54. Detection signals from various sensors such as the partitioning claw sensor 216 of the RDF 200, the document set detection sensor 236 of the ADF 230, the discharged document detection sensor 220, the document presence / absence detection sensor 221, and the discharge tray sensor 222 are input to the input port 244. . The serial communication port of the CPU 241 sends and receives various signals to and from the copying machine main body 1 and the operation unit.

The finisher-3 finishes and discharges the transfer paper on which the image is copied, and in the one-side copy mode, it is reversed by the reversing unit 301 and is discharged to the staple tray or the finisher tray 302. In the double-sided copy mode, the sheet is discharged after the back side copy is executed, so that the sheet is discharged without being inverted.

The operation unit provided in the copying machine main body 1 inputs the operation mode of the copying machine main body 1 and the document feeding device 2 and the copying mode. As shown in the front view of FIG. 6, the operation section 500 includes a mode clear / preheat key 501 and an interrupt key 502,
Enter key 503, Start key 504, Ten key-5
05, various keys such as clear / stop key 506, and a display unit 550. The mode clear / preheat key 501 serves both as a mode clear key and a preheat key. When the key is pressed, the function of the mode clear key is activated. When the key is kept pressed, the function of the preheat key is activated. Mode clear key
Is for returning each operation mode to the standard mode. By the operation of this key, the number of repeats is 1, the density is automatic, the paper feeding is selected automatically, and the scaling factor is set. It is set to double, and all other functions such as double-sided are canceled. The preheat key is an alternation switch, which is pressed to bring the copying machine main body 1 into the preheat state and to release the preheat state. In the preheating state, the fixing unit is controlled at a low temperature, and only the preheating lamp is turned on, and the other displays are turned off to reduce power consumption. Therefore, the preheat key is invalid during the copy process. The interrupt key 502 is pressed to copy an interrupt, the enter key 503 is pressed to input the zoom magnification and binding margin values, and the print key 504 is pressed to start the copying operation. . This print key 504 also serves as a ready / wait display, and the green light emitting diode lights up when ready and the red light emitting diode lights up when waiting. The numeric keypad 505 is used when setting the number of copies, inputting a numerical value for zoom magnification or binding margin. The clear / stop key 505 has a clear key function during standby and a stop key function during copying. This clear key is pressed to cancel the set number of copies. The stop key is pressed when the copying operation is interrupted, and the apparatus is stopped when the copying operation at that time is completed.
The guidance key 507 is pressed when displaying the explanation of the basic operation, and the program registration key 508 can register the mode that the user frequently uses, and the registered mode is the program call key 509. Can be called at.
The reservation key 510 reserves the copy mode. Reservation setting key
511 sets the reserved copy mode.

As shown in FIG. 7, the display unit 550 is provided with a plurality of touch keys on its surface and serves as a selection key as well as a function display. The message display 551 is a place to display information about the device, for example, "copy".
I can do it. "Please add paper.""Reservationcopy"
I can do it. A message such as "is displayed. The set display area 552 displays the number of copies. Tray selection key
The paper size and remaining amount display area 553 indicates an upper tray, a middle tray, a lower tray, and a large capacity tray in order from the left. When the automatic paper selection key 554 is selected, the tray containing the paper of the same size as the original is automatically selected. The density adjustment key 555 is pressed when manually adjusting the copy density. The automatic density key 556 is pressed when the copy density is automatically adjusted according to the background density of the original. The same size key 557, the enlargement key 558, and the reduction key 559 are pressed to instruct the enlargement or reduction of the same size copy or the standard size. Zoom key 560 is pressed to specify an arbitrary magnification between 64-142%. The paper designation scaling key 561 is used when it is desired to automatically reduce or enlarge the image of the original according to the designated paper size. The double-sided key 562 is selected when a single-sided original is to be double-sided, a double-sided original is double-sided, and a double-sided original is single-sided. In the double-sided mode message area 563, when the double-sided mode function is selected, the copy creation state is shown on the screen. Binding cost key 56
4 can be set on either the left or right side if the binding margin is 21 mm or less when a binding margin is required. Binding mode message area 565
Indicates the binding margin state when the binding margin mode function is selected. In addition, a stack function selection key 566, a one-place staple selection key 567, and a two-place staple selection key 568 are provided.

The operation control unit for controlling various functions of the operation unit 500 is, as shown in the block diagram of FIG.
01, ROM 602, RAM 603, interrupt controller
Communication port 60 for communicating with the main controller.
5. LCD control for controlling the display unit 550
606, a display memory 607, an output port 608 for lighting an LED, a DMA controller 609 for reading the input of a touch key and a push key, and the like. Then, the operator sets the necessary processing mode to the operation unit 50.
Set it to 0 and input the copy start instruction with the start key 504. When the copy start instruction is input, the copy process is executed by the processing mode set in the operation unit 500.

In the copying machine configured as described above, the RDF is used.
The operation will be described when the document is copied while being conveyed by using 200. A stack of documents is placed on the document table 201,
When single-sided original / single-sided copy is selected on the operation unit 500,
Documents placed face down on the document table 201 are fed one by one from the lower side of the document stack, sent through the intermediate conveyance path 204 onto the contact glass 101, and exposed. When the exposure is completed, the document on the contact glass 101 is sent to the discharge side by the document transport belt 206 and is discharged to the document discharge tray 219. The next document starts to be fed before the document being exposed has not been exposed, so a copy is created without delay for document replacement. At this time, there is a one-to-one correspondence between the document feeding and the paper feeding, and when one copy of the document on the document placing table makes one copy, one copy is made. Repeat times.

Further, when the original stack is placed on the original placing table 201 and the one-sided original / two-sided copy is selected by the operation section 500, the originals are read every other sheet in the first original circulation,
The transfer paper obtained by copying the original document on the front side is once stacked on the double-sided tray 124. On the other hand, the circulated originals are sequentially sent to the original placing table 201 through the forward discharge path 213.
Then, in the next circulation, a copy of the original document which has not been copied in the first circulation is made on the back surface of the transfer paper which has been surface-copied in the double-sided tray 124, thereby forming one copy of the double-sided copy. When a plurality of copies are to be produced, the sheets from the double-sided tray are copied at the time of circulation of the second and subsequent documents, and the front side copy is produced on a new transfer sheet and stacked on the double-sided tray.
By doing so, the copy of the N portion can be created by (N + 1) times of document circulation.

When a double-sided original / double-sided copy is selected, the copies of the surfaces of all originals are first taken in the first original circulation, and the transfer sheets are once stacked on the double-sided tray 124. The document read by this circulation is reversed through the reverse discharge path 212 and sequentially discharged to the document table 201. In the next circulation, the copy paper on the back side of the original is copied to the transfer paper on the front side in the double-sided tray to form one copy of the double-sided copy. As the original copy with the back side copy taken is recirculated, the original document is reversed again through the reversal discharge path 212 and is sequentially ejected to the original document table 201 to be returned to the initial state. That is, the document placing table 2
When the 01 document is circulated twice, one copy is created.

Next, the operation when using the normal multi-job function of setting the originals in the RDF 200 and the ADF 230 respectively and copying the original set in the RDF 200 and the original set in the ADF 230 in different copy modes is shown. This will be described with reference to the flowcharts of FIGS.

First, as shown in FIG. 9, a document is set on the RDF 200 and the first copy mode is input from the operation unit 500. Next, the original is set on the ADF 230, and the second copy mode is reserved and input from the operation unit 500. The input first copy mode and second copy mode are stored in the mode storage section 431 of the control section of the copying machine main body 1 including the reserved mode. In this state, the start key of the operation unit 500
When 504 is pressed, the mode selection unit 432 selects the first copy mode stored in the mode storage unit 431 to select CP.
Send to U401. The CPU 401 sends the sent first copy mode to the CPU 241 of the original feeding device 2 (step S1). The CPU 241 of the document feeder 2 sends the first
Control the operation of RDF200 by the copy mode of
U401 controls the copy operation according to the first copy mode sent. Then, a predetermined copy operation is performed while the document placed on the RDF 200 is conveyed as described above (step S2). When the copy using the RDF 200 is completed, the copy operation using the ADF 230 is started, and the ADF 230 is started.
Then, the document feeding operation is started (step S3). ADF23
When the document placed on the 0 document 231 is started to be conveyed and the document presence / absence detection sensor 221 detects the document conveyed to the RDF 200, the document presence / absence determining unit 245 sends a signal indicating the presence of the document to the CPU 241. The CPU 241 sends this signal to the mode selection unit 432 via the CPU 401 of the copying machine main body 1.
Send to. The mode selection unit 432 confirms whether or not the document to be conveyed to the RDF 200 is reserved in the mode storage unit 431 for the second copy mode (step S4). Second
If the copy mode is not reserved, the process enters the standby state and ends the processing. When the second copy mode is reserved, the second copy mode is read out and sent to the CPU 401, and the CPU 401 sends the contents of the sent second copy mode to the CPU 241 of the document feeder 2. Send to. Then, when the reserved second copy mode is the one-sided original / single-sided copy, the operation of the one-sided original / single-sided copy is immediately executed (steps S5 and S6). If the reserved second copying mode is a single-sided original / double-sided copy, the operation of the single-sided original / double-sided copy is executed (steps S7 and S8). When the reserved second copy mode is the double-sided original / double-sided copy operation, the double-sided original / double-sided copy operation is executed (steps S9 and S10).

The reserved second copy mode is a single-sided original /
When the operation of single-sided copy / single-sided copy / single-sided copy is started, as shown in FIG.
The originals 31 are fed one by one from the lower side of the original bundle, fed onto the contact glass 101, exposed, and copied onto the transfer paper (steps S11 and S12). A during this exposure
The DF 230 starts to convey the next document. When the exposure is completed, the discharge control unit 434 selects the reverse discharge path 212 and reverses the document on the contact glass 101 while RD.
The document is discharged onto the document table 204 of the F200 (step S
13). This operation is repeated until the document placed on the ADF 230 is finished (step S14). In this way, when a document is conveyed from the ADF 230, the next document starts to be fed before the document being exposed has not been exposed, so that the delay for document replacement can be eliminated. ADF23
When the original set detection sensor 221 detects that all the originals placed on 0 are conveyed, the CPU 241 sends an ADF reservation enable signal to the operation unit 500, places the originals on the ADF 230, and the copy mode is reserved. It displays what can be done (step S15). In this way, the next copy can be reserved immediately after all the documents placed on the ADF 230 have been conveyed, and the waiting time can be greatly shortened. Then, when a copy of a plurality of N copies is made on the original conveyed to the RDF 200, the copying is repeated (N-1) times by the single-sided original / single-sided copy operation by the RDF 200 (steps S16 and S17).

When the reserved second copy mode is a single-sided original / double-sided copy operation and a single-sided original / double-sided copy operation is started, first, as shown in FIG. 11, the ADF 230 is placed on the original. Contact glass 1 for each original on the table 231
01 (step S21). Then, only the odd-numbered pages are copied onto the transfer paper, and the copied transfer paper is stacked on the double-sided tray 124 (steps S22 and S23). Then, the document is discharged to the document mounting table 204 of the RDF 200 while being inverted through the forward rotation discharge path 213 (step S24). This operation is repeated until the originals on the ADF 230 are exhausted, and the originals set on the ADF 230 are read.
The document is set on the document table 204 of the DF 200 (step S25). When the original set detection sensor 221 detects that all the originals placed on the ADF 230 have been conveyed, C
The PU 241 sends an ADF reservation enable signal to the operation unit 500, and displays that the copy mode can be reserved by placing the original on the ADF 230 (step S26). When the number of copies to be made in this state is one, the originals are sent one by one from the original placing table 204 to the contact glass 101 (steps S27 and S28), and only the even-numbered originals are exposed to light from the double-sided tray 124. Copy the fed transfer paper (step S29). Then, the copied document is rotated in the forward rotation discharge path 21.
The document table 2 of the RDF 200 while reversing through
It is discharged to 04 (step S30). This operation is repeated until there are no documents set on the document table 204 (step S31). If there are a plurality of copies to be made, the original is sent from the original placing table 204 to the contact glass 101 instead of one original (steps S27 and S32). Then, the originals of odd-numbered pages are copied onto the transfer sheets sent from the paper feed trays 112 to 114, and the copied transfer sheets are stacked on the double-sided tray 124 (steps S33 and S34). The originals of even pages are copied onto the transfer sheet sent from the double-sided tray 124, and the copied transfer sheet is discharged (step S).
35). Then, the document is discharged to the document mounting table 204 of the RDF 200 while being reversed through the forward discharge path 213 (step S36). This operation is repeated until the predetermined copy number is completed (step S37).

The reserved second copy mode is a double-sided original /
When a two-sided copy operation and a two-sided original / two-sided copy operation is started, as shown in FIG.
The 31 originals are conveyed one by one onto the contact glass 101 (step S41). And the paper feed trays 112 to 1
14 is copied onto the transfer sheet sent from the sheet 14, and the copied transfer sheet is stacked on the double-sided tray 124 (step S4).
2). After that, the document is passed through the reverse discharge path 212 and RDF
The document is discharged onto the document placing table 204 of 200 (step S4
3). This operation is repeated until there are no more originals on the ADF 230, and the originals set on the ADF 230 are RDF2.
00 is set on the document table 204 (step S4)
4). When the original set detection sensor 221 detects that all the originals placed on the ADF 230 have been conveyed, the CPU
241 sends an ADF reservation enable signal to the operation unit 500, and A
It is displayed that the copy mode can be reserved by placing the original on the DF 230 (step S45). And RDF200
The original set on the original placing table 204 is sent to the contact glass 101 one by one (step S46), copied onto the transfer paper fed from the double-sided tray 124, and the copied transfer paper is ejected (step S46). S47). Then, the copied original is ejected to the original placing table 204 of the RDF 200 through the reverse ejection path 212 (step S48). When the original set on the original placing table 204 circulates once and copies a plurality of copies (steps S49 and S50), the original placing table 2
The originals 31 are conveyed one by one onto the contact glass 101, copied onto the transfer papers sent from the paper feed trays 112 to 114, and the copied transfer papers are stacked on the double-sided tray 124 (steps S51 and S52). After that, the original is passed through the reverse discharge path 212 and the original table 20 of the RDF 200 is placed.
4 (step S53). This operation is repeated until the document set on the document placing table 204 circulates once (step S54). Then, the copying operation of the back surface of the original is performed in the same manner as described above (steps S46 to S49). After copying a predetermined number of copies, the copying operation is ended (step S50).

Next, the operation for reserving the copy mode will be described. When the reservation key 510 is pressed while waiting for the start of copying or during the copying operation, the screen set at that time on the display unit 550 becomes the copy mode setting screen. That is, when the screen for waiting for the start of copying is displayed, the mode is cleared once and then the copy mode setting screen is displayed. During the copying operation, the copying screen is saved and the initial setting screen is displayed. , The copy mode can be set. In this state, when the setting of the copy mode such as double-sided, zooming, copy number, paper selection, and density setting is completed, the reservation setting key 511 is pressed to complete the reservation of the second copy mode. When the reservation setting is completed, the screen returns to the state before the reservation key 510 was pressed, and a message indicating that the reservation is being made is displayed. The document bundle set for reservation is set in the ADF 230. The reservation mode is set during the copying operation by the reservation key 510 described above.
In addition to pressing, the document is set by setting the original on the ADF 230. Whether or not to set the reservation by setting the document on the ADF 230 is selected by a mode called a up mode, which sets a function customizable by the user. In this way, since the next copy mode can be set by the reserved mode, the next copy mode can be set regardless of whether or not the set copy mode is completed.

The operation for setting the reservation mode will be described with reference to the flowchart of FIG. Reservation key-5
When 10 is turned on (step S61), the copying machine body 1
The CPU 401 confirms whether the copy start waiting state or the copy process is being executed (steps S62 and S63). Then, it is confirmed whether it has already been reserved or not (step S6).
(4, S65), if neither is set, the reservation can be set, so that the reserved flag is set, and the screen set at that time is displayed on the display unit 550 as the copy mode setting screen. Display (steps S66, S6
7). It should be noted that when the copying start waiting state or the copying process is not being executed, it is not necessary to make a reservation, and the process is terminated. Also, when setting a document on the ADF 230 and making a reservation,
When the CPU 401 confirms that the original has been set on the original placing table 231 of the ADF 230 via the CPU 241 of the original feeding apparatus 2 (step S68), the reservation key 5 is entered.
Similarly to the case of operating 10, the copy mode setting screen is displayed by confirming whether the copy start waiting state or the copy process is being executed (steps S62 to S67).

After the fact that the reservation can be set is displayed in this way, when the reservation is set, the flow shown in FIG.
As shown in the chart, when the reservation setting key 511 is turned on (step S71), the CPU 401 stores the reserved copy mode in the mode storage unit 431 (step S72), and the reservation is in progress. The flag is cleared and the reserved flag is set (steps S73 and S74), and the display unit 55
0 is returned to the screen before reservation (step S75).

Next, the document table 201 of the RDF 200 and A
The operation for determining whether or not the reservation setting of the document set on the document table 231 of the DF 230 is possible will be described. RDF20
When there is a document on the document table 201 of No. 0 and no document on the document table 231 of the ADF 230, it is possible to reserve a document to be set on the document table 231 of the ADF 230. Therefore, the CPU 401 displays a message on the display unit 550. -Display on the display 551 that the ADF can be reserved. If there is no original on the original placing table 201 of the RDF 200 and there is an original on the original placing table 231 of the ADF 230, check the copy mode of the original set on the ADF 230 and use the original placing table 201 of the RDF 200. When there is no mode, RD is displayed on the message display 551.
Display that F can be reserved. In addition, ADF23
When the copy mode of the document set to 0 uses the document setting table 201 of the RDF 200, the copy operation of the document set to the ADF 230 is completed, and the document set to the ADF 230 is changed to the document setting table 201 of the RDF 200. After the document is discharged onto the document discharge tray 219, the message display 551 indicates that the ADF can be reserved and set.

In this way, when copying the original set on the original placing table 201 of the RDF 200 and the original set on the original placing table 231 of the ADF 230, when the copy mode is one set or the stack mode is set. When, A
The original placed on the original table 231 of the DF230 is R
Immediately copied when sent to DF200, RDF
It is directly discharged to the document discharge tray 219 without circulating 200. Therefore, when the copy mode is one set or the stack mode, the CPU 401 displays on the message display 551 that the document set in the ADF 230 can be processed in a shorter time. At other times, when there is no original in the RDF 200, or when the ADF 230
When there is a document on the RDF 200, a message indicating that the document is set is displayed on the RDF 200, and the user is informed of the state of the apparatus, for the convenience of the user.

As described above, the reservations are set one after another and the ADF2 is set.
When the document stack set in 30 is copied and discharged to the document discharge tray 219 of the RDF 200, the capacity of the document discharge tray 219 is limited, and the document discharge tray 219 is limited.
If the document becomes full and is discharged while ignoring it, there is a risk that the page order of the original will be changed or the discharged original will be caught and the original will be flawed. Therefore, the document discharged to the document discharge tray 219 is detected by the discharged document detection sensor 220, and the document detection signal of the discharged document detection sensor 220 is counted by the discharged sheet counting unit 247. The count value of the discharged sheet counting unit 247, that is, the number of documents discharged onto the document discharge tray 219 is monitored by the copy prohibiting unit 246, and the discharged sheet number counting unit 2
When the count value of 47 reaches a predetermined set value, the copy prohibition unit 246 outputs a copy prohibition signal. CPU 401
Receives the copy prohibition signal, prohibits the copy operation and the document conveying operation, and displays a warning that the document discharge tray 219 is full to warn. In this state, when the discharge tray sensor 222 detects that the document discharged to the document discharge tray 219 is removed, the copy prohibition unit 246 releases the copy prohibition signal and restarts the copy operation and the document conveying operation. To do so. In this way, it is possible to eliminate the harmful effect when a large number of originals are reserved.

In the above case, the case where the copying operation is prohibited when the original discharge tray 219 is full has been described. However, when the original discharge tray 219 is full, the conveyance path of the RDF 200 is switched. At that time, the document being copied may be discharged to the document table 201. Even when the document is discharged onto the document table 201 of the RDF 200 in this way, the document is divided by the document partitioning claw 215, so that the document can be easily identified.

[0055]

As described above, the present invention provides a copying machine.
Recycling type automatic document feeder and automatic document feeder
The automatic document feeder has a circulating paper feed port.
Automatic document feeding by connecting to the document feeding path of the automatic document feeder
An image of the document placed on the machine is displayed on the circulating automatic document feeder.
Since the documents are sent to the scanning section, different originals are set at the same time.
You can

Further, the circulation type automatic document feeder has a plurality of document discharge paths for discharging the read document, and sets the document read according to the copy mode on the document placing table or a discharge tray. By discharging the sheet to the sheet, the document can be conveyed according to the copy mode.

Further , the circulating automatic document feeder and the automatic document
Different documents are set for each original set in the feeder.
Since the shooting mode can be set, the original
The manuscript can be copied in any copy mode.
It The first copy mode when setting this copy mode
When is set, the second copy mode is set depending on the reservation mode.
You can set the code and
All originals placed on the moving original feeder are circulating automatic originals
It is when it is detected that it has been transported to the feeder,
Circular document feeder from the document tray of the automatic document feeder
Until the copy operation of the original conveyed on the original setting table is completed
Place the original on the original tray of the automatic document feeder and
Waits compared to when you cannot reserve a copy mode
You can set the original and reserve the copy mode in no time.
It is possible to improve work efficiency.

Further, a circulation type automatic manuscript feeding for which reservation can be set
And display either the document feeder or the automatic document feeder.
By doing so, it is possible to easily make reservation settings.
In fact, the desired copy can be provided in a short time.

In addition, the automatic document feeder is used to
Immediately after the document starts to be fed to the draft feeder, the automatic
Select the copy mode of the original set on the draft
Copy operation or use the circulating automatic document feeder
Can quickly get a copy without circulating
At the same time, it is possible to prevent excessive abrasion of the document.

The original placed on the automatic original feeder
Is fed to the circulating automatic document feeder,
When it is determined that there is no document placed on the device, the document set
Output a ready signal and load a new document on the automatic document feeder.
Whether it is possible to set the storage and copy modes
You can reduce the waiting time when making reservation settings.
It

[0061]

[0062]

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of the present invention.

FIG. 2 is an arrangement view showing an image forming area of a belt photosensitive member.

FIG. 3 is a block diagram showing a control unit of the above embodiment.

FIG. 4 is a configuration diagram showing a document feeding device of the above embodiment.

FIG. 5 is a block diagram showing a configuration of a control unit of the document feeding apparatus.

FIG. 6 is a front view showing an operation unit of the above embodiment.

FIG. 7 is a front view showing a display unit of the operation unit.

FIG. 8 is a block diagram showing a configuration of an operation control unit.

FIG. 9 is a flowchart showing the multi-job operation of the above embodiment.

FIG. 10 is a flow chart showing the operation of a single-sided original / single-sided copy in the above embodiment.

FIG. 11 is a flowchart showing the operation of a single-sided original / double-sided copy in the above embodiment.

FIG. 12 is a flowchart showing an operation of a double-sided original / double-sided copy in the above-described embodiment.

FIG. 13 is a flow chart showing the reservation mode setting operation of the above embodiment.

FIG. 14 is a flow chart showing a reservation mode setting operation of the above embodiment.

[Explanation of symbols]

1 Copier body 2 Document feeder 200 Circular Automatic Document Feeder (RDF) 230 Automatic Document Feeder (ADF) 245 Document Presence / Absence Judgment Section 246 Copy Prohibition Department 247 Ejection number counting unit 500 operation part 431 mode storage unit 432 mode selector

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Nobuaki Tomisho 1-3-6 Nakamagome, Ota-ku, Tokyo Within Ricoh Co., Ltd. (72) Inventor Hiroshi Masuyama 1-3-6 Nakamagome, Ota-ku, Tokyo No. in Ricoh Co., Ltd. (72) Inventor Ryoichi Suzuki No. 1-3-6 Nakamagome, Ota-ku, Tokyo In Ricoh Co., Ltd. (56) Reference JP-A-3-264476 (JP, A) JP-A-61 -156064 (JP, A) JP 63-96672 (JP, A) JP 4-88360 (JP, A) JP 3-141372 (JP, A) JP 61-151632 (JP, A) ) JP-A-63-87454 (JP, A) JP-A-60-43647 (JP, A) JP-A-3-264469 (JP, A) JP-A-5-181333 (JP, A) JP-A-6- 321419 (JP, A) Actual Kaihei 4-63452 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) G03G 21/14 G03G 21/00 370-512 G03G 15/00 107

Claims (2)

(57) [Claims] 1. A first original placing table and a first original conveying means.
And a document ejection unit, and the first document placing table is a first document source.
The manuscript is placed and the first manuscript conveying means is placed on the first manuscript table.
The placed originals are sequentially conveyed to the image reading unit, and the original
The steps are used to discharge the read document to the first document table.
At least one first document exit path and scanned document
At least one second original for discharging the originals to the original output tray
Cut the draft output path, the first original output path, and the second original output path
Circulating type automatic document feeder having discharge switching means for replacing
And a second document placing table and a second document transporting means.
The second document is placed on the document mounting table of
The conveying means transfers the second original document placed on the second original document table.
Automatically for the first document feeder of the circulating automatic document feeder
With one or more automatic document feeders for transporting
In a copying machine with a multi-job function, an original set detection means, a display means, an operation mode setting means,
Provided with mode storage means, mode selection means, and central processing unit
However , the document set detection means is placed on the automatic document feeder.
The presence or absence of the document that has been
Place a new manuscript on the draft feeder and reserve a copy mode
The operation mode setting means displays the
Copying of the first original placed on the automatic automatic document feeder
And the second document placed on the automatic document feeder.
Set the copy mode individually and set the copy mode for the second document.
Copy mode of the first original is set when setting
When, set the copy mode of the second document by the reservation mode
However, the mode storing means stores the first original copy mode and the first original copy mode.
The copy mode of the original document No. 2 is stored, and the mode selection means
Copy operation is executed according to the set copy mode
Therefore, the document feeding from the automatic document feeder is started.
The second copy mode is selected and the copy operation is executed.
The central processing unit is mounted on the automatic document feeder.
Transport the second original to the circulating automatic original feeder
Copying mode of the second original selected by the mode selecting means
When performing the copy operation with the
If all of the placed second originals are conveyed,
The copy mode can be reserved if detected by the dot detection means.
Is displayed on the display means, and the operation mode setting means
Immediately reservation and stores the mode storage unit a copy mode
Multi-job characterized by being able to
Copier with functions. 2. The central processing unit is the circulating automatic original document.
The presence / absence of a document and the copy mode of the document feeder and the automatic document feeder.
Depending on the mode, the circulating automatic document feeder and the automatic source
Identifies one of the paper sending devices as being able to set the reservation mode
2. The copying apparatus with multi-job function according to claim 1,
Place