JP2010219892A - Image forming apparatus, and control method of the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve user work efficiency by determining a paper eject destination by setting such a print condition as to perform output to the same paper eject destination in build job settings. <P>SOLUTION: The invention relates to an image forming apparatus wherein all document bundle required for printing of a job are read in while being divided into a plurality of document bundles and image data are printed out for each divided document bundle. The image forming apparatus includes a paper eject destination determination section 408 for executing paper ejection by holding a paper eject condition list indicating whether a paper eject destination is possible/impossible for a print function, and making such a determination as to eject the paper of the job to the "possible" paper eject destination on the paper eject condition list. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an image forming apparatus such as a copying machine having a build job function, and a method for controlling the image forming apparatus.

  Conventionally, in a digital copying machine or the like, in order to reduce the workload for a user to manually create a group of multiple printed materials after printing is completed, the printed materials output to the same paper discharge destination under multiple printing conditions are discharged. There is a paper function. As a conventional technique related to such a print job, a printing apparatus that can partially change print conditions of a print job including image data of a plurality of pages is disclosed (for example, see Patent Document 1). In addition, the creation of a build job can be interrupted temporarily. Do not delete the hard disk usage screen during suspension. An image forming apparatus that does not start printing is disclosed (for example, see Patent Document 2). Further, it is disclosed that a group job is set by assigning conditions for composing one booklet to two or more print jobs, and the print jobs in the group job are processed as a series of jobs by the image processing apparatus. (For example, see Patent Document 3).

  However, in the conventional techniques as described above, there are combinations of printing conditions that cannot be output to the same paper discharge destination when executing a print job. In this case, there are cases where output is made to a plurality of paper discharge destinations, and it is difficult to know which print conditions can be output to the same paper discharge destination. Therefore, there is a problem that paper is wasted by checking the output finish by executing trial printing, or the situation where the original work load cannot be reduced by outputting to multiple discharge destinations may occur. was there.

  The present invention has been made in view of the above, and at the time of a build job setting, print conditions are set so that output can be made to the same paper discharge destination, and the paper discharge destination is determined to improve user work efficiency. With the goal.

  In order to solve the above-mentioned problems and achieve the object, the present invention divides and reads all document bundles necessary for printing one job into a plurality of document bundles, and stores image data for each divided document bundle. An image forming apparatus that prints out, holds a discharge condition list indicating “OK” / “NO” of a discharge destination for a print function, and sets the discharge destination that is “Yes” in the discharge condition list It is characterized by having a paper discharge destination determining means for determining to discharge the job and executing paper discharge.

  The image forming apparatus according to the present invention holds a paper discharge condition list indicating “OK” / “NO” of the paper discharge destination for the print function, and sets the job to a paper discharge destination that is “Yes” in the paper discharge condition list. Therefore, it is possible to improve the user's work efficiency.

FIG. 1 is an explanatory diagram showing an example of the overall configuration of an image forming system without a ring binder according to this embodiment. FIG. 2 is an explanatory diagram showing an example of the overall configuration of the image forming system when there is a ring binder according to this embodiment. FIG. 3 is an explanatory diagram showing an example of an operation panel in the case of the system configuration in FIG. FIG. 4 is an explanatory diagram showing an example of the operation panel in the case of the system configuration in FIG. FIG. 5 is a block diagram showing the configuration of the control system of the entire image forming apparatus. FIG. 6 is a block diagram showing the configuration of the control unit in FIG. FIG. 7 is a chart showing an example of a printing condition list according to this embodiment. FIG. 8 is a chart showing an example of a discharge condition list in the system configuration of FIG. FIG. 9 is a chart showing an example of a discharge condition list in the system configuration of FIG. FIG. 10 is a chart showing an example of a dischargeability information list according to this embodiment. FIG. 11 is an explanatory diagram showing an example of a screen for setting the paper discharge destination priority order during a build job. FIG. 12 is an explanatory diagram illustrating an example of an operation screen when a function used for a job is selected. FIG. 13 is a flowchart illustrating an example of the printing operation when the build job function is set. FIG. 14 is a flowchart illustrating another example of the printing operation when the build job function is set. FIG. 15 is a block diagram illustrating a hardware configuration of the multifunction peripheral (image forming apparatus).

  Exemplary embodiments of an image forming apparatus and an image forming apparatus control method according to the present invention will be explained below in detail with reference to the accompanying drawings.

(Embodiment)
FIG. 1 is an explanatory diagram showing an example of the overall configuration of an image forming system without a ring binder according to this embodiment. In this system, the finisher 100 is connected to the rear stage of the paper discharge port of the image forming apparatus. A bundle of documents placed on a document table 2 with an image surface facing up in an automatic document feeder (hereinafter referred to as ADF) 1 is contact glass 6 by a feed roller 3 and a feed belt 4 from the top document. It is fed to a predetermined position above. After the image data of the original on the contact glass 6 is read by the reading unit 50, the original that has been read is discharged by the feeding belt 4 and the discharge roller 5. Further, when it is detected by the document set detection 7 that the next document is present on the document table 2, the document is fed onto the contact glass 6 in the same manner as the previous document. The feeding roller 3, the feeding belt 4, and the discharging roller 5 are driven by a motor.

  The sheets stacked on the first tray 8, the second tray 9, and the third tray 10 are fed by the first paper feeding device 11, the second paper feeding device 12, and the third paper feeding device 13, respectively. 14 is conveyed to a position where it contacts the photoconductor 15. The image data read by the reading unit 50 is written on the photoconductor 15 by the laser from the writing unit 57 and passes through the developing unit 27 to form a toner image. The toner image on the photoconductor 15 is transferred while the paper is being conveyed by the conveyance belt 16 at the same speed as the rotation of the photoconductor 15. Thereafter, the image is fixed by the fixing unit 17 and is discharged to a subsequent apparatus by the paper discharge unit 18.

  The finisher 100 of the post-processing apparatus can receive the conveyed paper by the entrance roller 120 and guide it through the punch unit 121 in the normal paper discharge roller 102 direction and the staple processing unit direction. By switching the switching plate 101 upward, the sheet can be discharged to the normal discharge tray 104 side via the transport roller 103. Further, by switching the switching plate 101 downward, it can be conveyed to the staple table 108 via the conveying rollers 105 and 107. The punch unit 121 punches a predetermined position (sheet rear end) of the sheet.

  Each time the sheets stacked on the stapling stage 108 are discharged, the paper end surfaces are aligned by a paper alignment jogger 109, and are bound by the stapler 106 upon completion of a partial copy. The paper group bound by the stapler 106 is stored in the staple completion paper discharge tray 110 by its own weight.

  On the other hand, the normal paper discharge tray 104 is a paper discharge tray that can move back and forth. The paper discharge tray section 104 that can be moved back and forth moves forward and backward for each original or each copy section sorted by the image memory, and sorts copy paper that is simply discharged.

  A process from reading an original of the image forming apparatus to writing an image will be described. The reading unit 50 includes a contact glass 6 on which an original is placed and an optical scanning system. The optical scanning system includes an exposure lamp 51, a first mirror 52, a lens 53, a CCD image sensor 54, and the like. Yes. The exposure lamp 51 and the first mirror 52 are fixed on a first carriage (not shown), and the second mirror 55 and the third mirror 56 are fixed on a first carriage (not shown). When reading a document image, the first carriage and the second carriage are mechanically scanned at a relative speed of 2 to 1 so that the optical path length does not change. This optical scanning system is driven by a scanner drive motor (not shown). The document image is read by the CCD image sensor 54, converted into an electrical signal, and processed. The writing unit 57 includes a laser output unit 58, an imaging lens 59, and a mirror 60. Inside the laser output unit 58, a polygon mirror (polygon mirror) that rotates at a high speed at a high speed by a laser diode that is a laser light source and a motor. ). The laser beam output from the writing unit 57 is applied to the photosensitive drum 15 of the image forming system. Although not shown, a beam sensor for generating a main scanning synchronization signal is disposed at a position where a laser beam near one end of the photosensitive drum 15 is irradiated.

  FIG. 2 is an explanatory diagram showing an example of the overall configuration of the image forming system when there is a ring binder according to this embodiment. In this system, a ring-bound bookbinding apparatus 300 is arranged between the image forming apparatus and the finisher in the system configuration of FIG. Are connected in this order. The system configuration in FIG. 2 differs from the system configuration in FIG. 1 in the part of the ring-binding bookbinding apparatus 300, so the other devices are given the same reference numerals as in FIG.

  The ring-binding bookbinding apparatus 300 is a unit that performs bookbinding by punching a plurality of sheets and passing a ring member. The bound paper is discharged to the paper discharge unit 301. The paper discharge unit 301 has a door on the front surface, and the stacked paper can be taken out by opening the door. The paper discharge unit 301 is provided with a door open sensor 302 and a paper presence / absence sensor 303, which can detect the door open state and the presence / absence of paper, respectively.

  FIG. 3 is an explanatory diagram showing an example of the operation panel 405 in the case of the system configuration in FIG. Via the various mode keys and display keys of the operation panel 405, a color mode such as black and white / color and a print mode such as double-sided / single-sided, punch, and staple can be designated. In addition, a build job key 415 for instructing a build job function is provided.

  FIG. 4 is an explanatory diagram showing an example of the operation panel 405 in the case of the system configuration in FIG. When the ring binding bookbinding apparatus 300 is attached, a ring bind key 415 is further provided.

  Here, an operation method in the case of using a build job function capable of changing the image forming condition for each bundle of documents in one job will be described. Prior to starting the job, the build job key 415 is pressed to turn on the build job function. At this time, the build job key 415 is displayed in reverse video so that it can be confirmed that the build job function is ON. At this time, the sort mode is automatically set at the same time.

  The first original bundle is placed on the original table 2, and image forming conditions for the original bundle are set on the operation panel 405. By pressing a start key (not shown), the original bundle is read, and the read image is printed. After all the original bundles are read, the next original bundle is placed on the original table 2 and the image forming conditions for the original bundle are set again on the operation panel 405. At this time, since the previous document bundle setting remains, only the changed portion needs to be operated. When reading of all the original bundles is completed, the build job key 415 is pressed again to turn off the build job function. When the build job function is turned off, printing of the second copy of the read plurality of document bundles is started, and printing for the set number of copies is performed.

  FIG. 5 is a block diagram showing the configuration of the control system of the entire image forming apparatus. The image forming apparatus 401 is configured as shown in FIG. 1 or 2, for example, and includes an image input unit 402, an image printing unit 403, an image storage unit 404, an operation panel 405, and a control unit 406.

  The image input unit 402 inputs image information to the apparatus, and is configured by an optical scanner, a network I / F, or the like. The input image is printed by the image printing unit 403 or stored in the image storage unit 404.

  The image printing unit 403 prints the image sent from the image input unit 402 or the image stored in the image storage unit 404. The image storage unit 404 is a volatile or nonvolatile storage device, and stores the image information input from the image input unit 402. A non-volatile storage device such as a hard disk is desirable for reading the stored image information even after the device is turned off.

  The operation panel 405 is used by the operator to operate the apparatus (input setting) and check the state of the apparatus. The control unit 406 controls the image input unit 402, the image printing unit 403, and the image storage unit 404 according to the contents instructed on the operation panel 405, and displays the control result and the device status on the operation panel 405. .

  FIG. 6 is a block diagram showing the configuration of the control unit 406 in FIG. In FIG. 6, the contents of the image forming conditions specified on the operation panel 405 are managed by the image forming condition management unit 407 via the operation control unit 410. The image formation control unit 411 forms an image based on the information of the image formation condition management unit 407 and the paper discharge destination information determined by the paper discharge destination determination unit 408. The image forming condition management unit 407 creates a printing condition list shown in FIG. 7 in the process of reading the original while changing the image forming conditions for each original bundle.

  Each time a document bundle is added, the status of each image forming mode is recorded, and image formation is performed while this information is used for the second and subsequent copies. In the paper discharge destination determination unit 408, a paper discharge condition list describing the relationship between the printing function and the paper discharge destination as shown in FIG. 8 or FIG. 9 is held. Specifically, whether each paper discharge destination can be discharged is described for each printing condition in which the discharge destination is restricted by the printing conditions. Printing conditions that are not in the paper discharge condition list can be discharged to any paper discharge destination. In this example, FIG. 8 corresponds to the configuration of the system shown in FIG. 1, and FIG. 9 corresponds to the configuration of the system shown in FIG.

  Next, an example of determining whether paper discharge is possible will be described. FIG. 10 is a discharge permission / inhibition information list showing discharge permission / inhibition information of each discharge destination when restrictions regarding the discharge destination occur due to the set image forming conditions. As described above, before the job for which the build job function is set, the dischargeable state for all the discharge destinations is set (SET) in advance.

  For each original bundle, the printing conditions that have been set at the timing when a new printing condition is set, the timing at which the reading of the original is started, etc. are displayed in the print condition list shown in FIG. 8 or FIG. It is judged whether the printing conditions are set in light of the conditions. If it is set, the paper discharge enable / disable information corresponding to the printing condition is referred to, and the paper discharge destination of the paper discharge enable / disable information is reset for the paper discharge destination that is “impossible”. Items that have been reset once remain reset during the same job.

  Next, the paper discharge destination priority setting at the time of a build job will be described. FIG. 11 is an example of a screen for setting the discharge destination priority order during a build job. The priority order of each paper discharge destination can be set in advance as an initial setting prior to job execution. This set value is applied only to a job for which the build job function is set, and the discharge destination priority order other than the build job is separately determined by a system fixed value or another initial setting.

Next, a paper discharge destination determination method will be described.
(1) First Operation Example An example of the printing operation when the build job function is set is shown in the flowchart of FIG. This operation is executed by the control unit 406 according to the setting from the operation panel 405. In FIG. 13, first, image forming conditions are set on the operation panel 405, and the process waits for the start key to be pressed (steps S11 and S12). Thereafter, when the start key is pressed, the paper discharge permission / inhibition information list in FIG. 10 is updated, the paper discharge destination is determined as described later (step S13), and the original on the original plate is read and printed (step S14). ). After all the documents on the document table have been read, if there is a next document bundle, conditions are set for that document bundle and the start key is pressed (steps S15, S16, S17). Thereafter, it is determined whether or not the set condition setting is changeable by updating whether or not the discharge is permitted and determining whether or not it is possible to discharge to a previously determined discharge destination (steps S18 and S19). If the condition can be changed here, the process returns to step S14 and the original is read and printed again. On the other hand, if it is determined that the content cannot be changed, a message to that effect is displayed on the operation panel 405 (step S20). These operations are repeated until the next original bundle is exhausted, and when all the original bundles have been read, the second and subsequent printing operations are performed (step S21).

Next, some examples of the paper discharge destination determination process will be described.
(Decision process 1)
Regardless of the setting contents of the print function, it is assumed that all the functions among the paper discharge destinations described in the paper discharge condition list shown in FIG.

(Decision process 2)
Of the paper discharge destinations listed in the paper discharge condition list of FIG. 8 or FIG. 9, out of the paper discharge destinations that are “permitted” for all the set print functions, The paper discharge destination having the highest priority in the paper discharge destination priority setting is set.

(Decision process 3)
Of the paper discharge destinations listed in the paper discharge condition list of FIG. 8 or FIG. 9, the number of “Yes” is the highest among the paper discharge destinations that are “Yes” for all the set printing functions. Use many paper discharge destinations. If the number of “permitted” is the same, the discharge destination with the highest priority in the discharge destination priority setting for the build job in FIG.

  In this embodiment, the prohibition of an operation under an image forming condition that cannot be discharged to a discharge destination that has already been discharged is determined when the start key is pressed, but is determined when the image forming condition is changed. Alternatively, the image forming conditions that cannot be changed may not be set on the operation unit.

(2) Second Operation Example A flowchart of FIG. 14 shows another example of the printing operation when the build job function is set. This operation is executed by the control unit 406 according to the setting from the operation panel 405. In FIG. 13, first, image forming conditions are set on the operation panel 405 (step S31), a paper discharge destination is determined (step S32), and it is determined whether paper discharge is possible (step S33). It waits for the start key on the operation panel 405 to be pressed (step S34). Here, when the build job function is selected, only the presence / absence of the function described in the paper discharge condition list in FIG. 8 or 9 is set in advance in the process of setting the image forming condition. An example of the operation screen at this time is shown in FIG. After the setting is completed, the discharge enable / disable information list in FIG. 10 is updated. When all the paper discharge destinations are reset, a message indicating that the operation under the set image forming conditions is impossible is displayed on the operation panel 405, and the job is executed by performing the condition setting in FIG. 12 again. Suppress.

  If the start key is pressed in step S34, the document on the document table is read and printed (step S35). After all the documents on the document table have been read, if there is a next document bundle, conditions are set for the document bundle and the start key is pressed (steps S36, S37, S38). If it is determined in step S33 that paper cannot be discharged to the already determined paper discharge destination, a message to that effect is displayed on the operation panel 405 (step S39). These operations are repeated until the next original bundle is exhausted, and when all the original bundles have been read, the second and subsequent printing operations are performed (step S40).

  FIG. 15 is a block diagram illustrating a hardware configuration of the multifunction peripheral (image forming apparatus). As shown in this figure, this multi-function device has a configuration in which a controller 1110, an engine unit (Engine) 1160, and a peripheral component interconnect (PCI) bus are connected. The controller 1110 is a controller that controls the entire MFP, drawing, communication, and input from an OP (Operation Panel) 1170. The engine unit 1160 is a printer engine that can be connected to a PCI bus, and is, for example, a monochrome plotter, a one-drum color plotter, a four-drum color printer, a scanner, or a fax unit. The engine unit 1160 includes an image processing part such as error diffusion and gamma conversion in addition to a so-called engine part such as a plotter.

  The controller 1110 includes a CPU 1111, a north bridge (NB) 1113, a system memory (MEM-P) 1112, a south bridge (SB) 1114, a local memory (MEM-C) 1117, and an ASIC (Application Specific Integrated Circuit). 1116 and a hard disk drive (HDD) 1118, and the North Bridge (NB) 1113 and the ASIC 1116 are connected by an AGP (Accelerated Graphics Port) 1115. The MEM-P 1112 further includes a ROM (Read Only Memory) 1112a and a RAM (Random Access Memory) 1112b.

  The CPU 1111 performs overall control of the multifunction machine. It has a chip set composed of NE 1113, MEM-P 1112 and SB 1114, and is connected to other devices via this chip set.

  The NB 1113 is a bridge for connecting the CPU 1111 to the MEM-P 1112, SB 1114, and AGP 1115, and includes a memory controller that controls reading and writing to the MEM-P 1112, a PCI master, and an AGP target.

  The MEM-P 1112 includes a ROM 1112a and a RAM 1112b which are system memories used as a memory for storing programs and data, a memory for developing programs and data, a drawing memory for printers, and the like. The ROM 1112a is a read-only memory used as a memory for storing programs and data, and the RAM 1112b is a writable and readable memory used as a program and data development memory, a printer drawing memory, and the like.

  The SB 1114 is a bridge for connecting the NB 1113 to a PCI device and peripheral devices. The SB 1114 is connected to the NB 1113 via a PCI bus, and a network interface (I / F) unit and the like are also connected to the PCI bus.

  The ASIC 1116 is an integrated circuit (IC) for image processing having hardware elements for image processing, and has a role of a bridge for connecting the AGP 1115, the PCI bus, the HDD 1118, and the MEM-C 1117. The ASIC 116 includes a PCI target and an AGP master, an arbiter (ARB) that forms the core of the ASIC 1116, a memory controller that controls the MEM-C 117, and a plurality of DMACs (Direct Memory) that perform rotation of image data using hardware logic. Controller) and a PCI unit that performs data transfer between the engine unit 1160 via a PCI bus. The ASIC 1116 is connected to an FCU (Fax Control Unit) 1130, a USB (Universal Serial Bus) 1140, and an IEEE 1394 (the Institute of Electrical Engineers 150) through the PCI bus.

  The MEM-C 1117 is a local memory used as an image buffer for copying and a code buffer, and an HDD (Hard Disk Drive) 1118 is a storage for storing image data, programs, font data, and forms. It is.

  The AGP 1115 is a bus interface for a graphics accelerator card proposed for speeding up graphics processing. The AGP 1115 speeds up the graphics accelerator card by directly accessing the MEM-P 1112 with high throughput. is there.

  Therefore, according to the above-described embodiment, the paper discharge condition list (see FIG. 8 or 9) indicating “OK” / “NO” of the paper discharge destination for the print function is held, and “ Since it is determined that the job is to be discharged to a discharge destination that is “permitted” and the discharge is executed, the user's work efficiency can be improved. Also, the entire document bundle required for printing one job is divided and read into a plurality of document bundles, and the input / output conditions can be changed for each divided document bundle. Since printing operations with output conditions that output to different destinations are prohibited, multiple output destinations of printed materials are not output when printing a copy, improving the work efficiency by eliminating the manual work of the user to align the copies. Can be made.

  Also, the entire original bundle required for printing one job is divided and read into a plurality of original bundles, and the input / output conditions can be changed for each divided original bundle. By providing a means for prohibiting contradictory condition setting and a means for prohibiting printing under a condition that contradicts the input / output conditions of one of the divided document bundles, the user can set the exclusion / interlocking of print setting items. You can grasp and execute the job according to the printed image.

  Also, when setting up a build job, the output conditions that can be output by the output conditions at the start of the job are printed out to the highest output destination, so the range of output conditions that can be selected by the user after the build job starts is expanded. Can do. In addition, since the paper discharge destination is given priority to paper discharge destinations with many output conditions that can be set, the range of output conditions that can be selected by the user can be expanded. Further, since the paper discharge destination is set according to the priority set by the user, the output condition range selectable by the user can be expanded.

  In addition, all document bundles required for printing one job are divided and read into a plurality of document bundles, and the input / output conditions can be changed for each of the divided document bundles. Since the data is output to the paper discharge destination, the user can execute the job without being restricted by the output conditions.

  Also, the entire document bundle required for printing one job is divided and read into a plurality of document bundles, and the input / output conditions can be changed for each of the divided document bundles, so that the user has an influence on the paper output destination in advance. Since the presence / absence of an output condition is set and print output is performed from the set condition to the optimum paper discharge destination, the user can execute a job with the minimum restriction of the output condition. In addition, since it is prohibited to execute the job when it is determined that printing cannot be output to the same paper discharge destination, it is possible to improve the work efficiency by omitting the manual operation for the user to arrange the copies.

  As described above, the image forming apparatus and the image forming apparatus control method according to the present invention are useful for image forming apparatuses such as copying machines and printers, and are particularly suitable for apparatuses and systems having a build job function.

401 image forming apparatus 402 image input unit 403 image printing unit 404 image storage unit 405 operation panel 406 control unit 407 image formation condition management unit 408 discharge destination determination unit 410 operation control unit 411 image formation control unit 415 build job key

JP 2007-213666 A JP 2006-159760 A Japanese Patent No. 4093663

Claims (18)

An image forming apparatus that divides and reads all document bundles necessary for printing one job into a plurality of document bundles, and prints out image data for each of the divided document bundles.
A discharge condition list indicating “OK” / “NO” of the discharge destination for the print function is held, and it is determined to discharge the job to a discharge destination that is “OK” in the discharge condition list. An image forming apparatus comprising: a paper discharge destination determining unit that executes paper discharge. The image forming apparatus according to claim 1, wherein the discharge destination determination unit prohibits an output condition different from a discharge destination from which a printed matter has already been discharged. further,
First printing prohibiting means for prohibiting printing under conditions inconsistent with input / output conditions of all document bundles;
Second printing prohibiting means for prohibiting printing under conditions inconsistent with the input / output conditions of one of the divided document bundles;
The image forming apparatus according to claim 1, further comprising:   2. The image according to claim 1, wherein the paper discharge destination determination unit discharges paper to a paper discharge destination determined according to a priority from paper discharge destinations that can be discharged under an output condition at a job start time. Forming equipment.   The image forming apparatus according to claim 3, wherein the paper discharge destination determination unit gives priority to a paper discharge destination having a large number of output conditions for setting a priority for obtaining the paper discharge destination.   The image forming apparatus according to claim 4, wherein the discharge destination determination unit follows a priority set by a user for a priority for obtaining a discharge destination.   The image forming apparatus according to claim 1, wherein the paper discharge destination determination unit determines that the paper is discharged to a paper discharge destination that can be discharged under all output conditions. Furthermore, a discharge destination condition setting unit is provided for allowing the user to set in advance whether or not there is an output condition that affects the discharge destination among the output conditions for each document bundle,
The image forming apparatus according to claim 1, wherein the paper discharge destination determination unit determines a paper discharge destination that can be discharged from the conditions set by the paper discharge destination condition setting unit.   8. The image forming apparatus according to claim 7, wherein the discharge destination determination unit prohibits execution of a job when the discharge destination determination unit determines that there is no discharge destination that can be discharged. .   The image forming apparatus according to claim 1, wherein the paper discharge destination determination unit prohibits printing under an output condition different from that of the paper discharge destination from which the printed matter has already been discharged. A control method for an image forming apparatus that reads all original bundles necessary for printing one job by dividing them into a plurality of original bundles, and prints out image data for each of the divided original bundles.
A paper discharge condition list holding unit for holding a paper discharge condition list indicating "OK" / "NO" of the paper discharge destination for the print function;
A control method for an image forming apparatus, comprising: determining that the job should be discharged to a discharge destination that is “OK” in the discharge condition list of the discharge condition list holding unit, and executing the discharge.   The method of controlling an image forming apparatus according to claim 10, wherein an output condition different from a paper discharge destination where the printed matter has already been discharged is prohibited.   11. The method of controlling an image forming apparatus according to claim 10, wherein paper is discharged to a paper discharge destination determined according to priority from among paper discharge destinations that can be discharged under an output condition at the start of the job.   13. The method of controlling an image forming apparatus according to claim 12, wherein the priority for obtaining the paper discharge destination is given priority to a paper discharge destination having many settable output conditions.   14. The method of controlling an image forming apparatus according to claim 13, wherein the priority for obtaining the paper discharge destination follows the priority set by the user.   The method of controlling an image forming apparatus according to claim 10, wherein the sheet is discharged to a discharge destination that can be discharged under all output conditions.   11. The apparatus according to claim 10, wherein the user sets in advance whether or not there is an output condition that affects the paper discharge destination among the output conditions for each document bundle, and determines a paper discharge destination that can be discharged from the set condition. A control method of the image forming apparatus described.   The method of controlling an image forming apparatus according to claim 16, wherein execution of a job is prohibited when it is determined that there is no paper discharge destination that can be discharged.

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