JP2010064399A - Image forming device, image forming method, image forming program, print server, printer controlling method, and printer controlling program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image forming device, which re-starts printing processing from its location specified by a user under the condition that the image forming device errors (turn to an impossible printing state) in the midway of its printing processing and the printing processing interrupts, an image forming method, an image forming program, a print server, a printer controlling method and a printer controlling program. <P>SOLUTION: The image forming device executes a printing job, in which a plurality of pages are printing in a predetermined order and includes: a detecting means of interrupting cause for detecting the cause to interrupt the printing job when the printing job is interrupted; and a re-starting means of printing for printing on a page specified by the user and after about the printing job when the cause detected by the detecting means of interrupting cause is the predetermined cause. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a technique for resuming a printing process from a page designated by a user when an error occurs in the middle of the printing process for a printed matter of a plurality of pages.

There is a case where the image forming apparatus becomes an error (printing impossible state) during the printing process, and the printing process is interrupted. After that, when the image forming apparatus is restored to the printable state, it is generally printed automatically from the next page of the printed page using the print data held in the image forming apparatus. is there.
In addition, the host host, print server, and image forming apparatus are configured to send print data. Even if the image forming apparatus does not hold the print data, the print server holds the print data and the image forming apparatus can print. When the state is restored, the image forming apparatus is controlled to print from the next page of the printed page by using the print data held in the print server. In addition, a reprint page can also be designated from a host host (Patent Document 1).
JP 2003-263286 A Japanese Patent Laid-Open No. 9-292959

  However, the user who executes the print job in error may automatically print from the next page of the printed page depending on the error type of the image forming apparatus, or manually check the print result and then restart manually. There is a case where it is desired to reprint by specifying a print location. For example, the former is a case of out of paper, and the latter is a case of paper jam (need to be confirmed visually if it is a printed matter that does not allow omission). The above technique has a problem in that such user needs cannot be satisfied.

  Therefore, according to the present invention, when the image forming apparatus becomes an error (unprintable state) during the printing process and the printing process is interrupted, the image forming apparatus, the image forming method, and the image are restarted from the location designated by the user. It is an object to provide a forming program, a print server, a printer control method, and a printer control program.

  An image forming apparatus according to the present invention is an image forming apparatus that executes a print job that prints a plurality of pages in a predetermined order. When the print job is interrupted, the cause of interruption is detected. When the cause detected by the interruption cause detection means is a predetermined cause, the print job includes: a print resumption means for printing a page designated by a user and subsequent pages for the print job.

  In the image forming apparatus according to the aspect of the invention, when the cause detected by the error cause detecting unit is other than a predetermined cause, the print resuming unit relates to the print job and the pages after the page that has not been printed. Is printed.

  In one embodiment of the image forming apparatus according to the present invention, the print resuming unit makes a control request for causing the other image forming apparatus to print pages after the page designated by the user.

  On the other hand, a print server according to the present invention is a print server that is connected to an image forming apparatus and causes the image forming apparatus to execute a print job for printing a plurality of pages in a predetermined order. Suspending cause detecting means for detecting the cause of suspending the print job, and if the cause detected by the suspending cause detecting means is a predetermined cause, the page specified by the user for the print job And a printing restarting unit that causes the image forming apparatus to print the subsequent processes.

  Further, in one form of the print server according to the present invention, when the cause detected by the interruption cause detecting means is other than a predetermined cause, the print resuming means relates to the print job after the unprinted page. Printing on the image forming apparatus.

  In one form of the print server according to the present invention, when one image forming apparatus interrupts the print job when connected to a plurality of image forming apparatuses, the print resuming unit sends the other image forming apparatus to the user. And the pages specified by are printed.

  Therefore, according to the present invention, when the image forming apparatus is in an error (unprintable state) during the printing process and the printing process is interrupted, the image forming apparatus, the image forming method, and the image restarting the printing process from the location designated by the user. A forming program, a print server, a printer control method, and a printer control program can be provided.

  According to the present invention, an image forming apparatus, an image forming method, and an image forming program for resuming a printing process from a location designated by a user when the printing process is interrupted due to an error (unprintable state) in the middle of the printing process. , A print server, a printer control method, and a printer control program can be provided.

The best mode for carrying out the present invention will be described with reference to the drawings.
<Hardware Configuration of Image Forming Apparatus According to Present Embodiment>
FIG. 1 is a diagram illustrating an example of a hardware configuration of an image forming apparatus 100 according to the present embodiment. The image forming apparatus 100 includes a CPU (Central Processing Unit) 210, a ROM (Read-Only Memory) 220, a RAM (Random Access Memory) 230, an HDD (Hard Disc Drive) 240, a communication I / F (InterFace) 250, and a touch panel 260. A scanner 270 and a plotter 280.

  The CPU 210 is a device that executes a program stored in the ROM 220. The CPU 210 performs arithmetic processing on data expanded (loaded) in the RAM 230 in accordance with a program instruction, and controls the entire image forming apparatus 100. The ROM 220 stores programs executed by the CPU 210 and data. When the CPU 210 executes a program stored in the ROM 220 by the CPU 210, the program or data to be executed is expanded (loaded), and temporarily holds the operation data during the operation.

  The HDD 240 is a device that stores an OS as basic software, an application program according to the present embodiment, a plug-in for function expansion, and the like together with related data. In the present embodiment, when the image forming apparatus 100 interrupts the printing process, it is assumed that the HDD 240 holds an interruption cause selection table 245 that defines the processing content after restarting the printing process for each cause of the interruption.

  The communication I / F 250 exchanges information (data) with peripheral devices (other image forming apparatuses 500, the print server 300, the PC terminal 600, etc.) having other communication control functions connected via a communication network. Interface. In this embodiment, data is transmitted / received to / from a device connected to the LAN according to a communication protocol such as TCP / IP (Transmission Control Protocol / Internet Protocol), etc. A printing request by the means 330, transmission / reception of printing data, etc.).

The touch panel 260 is configured by an LCD (Liquid Crystal Display) or the like and displays an operation screen included in the image forming apparatus 100. The touch panel 260 also functions as an interface when receiving input from the user.
The scanner 270 is a device that acquires information displayed on a print medium as image data, and the plotter 280 is a device that outputs image data to be printed on paper.
Each unit of the image forming apparatus 100 is realized by the CPU 210 executing a program corresponding to each unit stored in the ROM 220 or the HDD 240.
<Hardware Configuration of Print Server According to the Present Embodiment>
FIG. 2 is a diagram illustrating an example of a hardware configuration of the print server 300 according to the present embodiment. The print server 300 includes a CPU 410, ROM 420, RAM 430, HDD 440, communication I / F 450, and display device 460.

  The CPU 410 is a device that executes a program stored in the ROM 420, and performs arithmetic processing on the data expanded (loaded) in the RAM 430 in accordance with an instruction of the program to control the entire print server 300. The ROM 420 stores programs and data executed by the CPU 410. When the CPU 410 executes a program stored in the ROM 420, the RAM 430 is loaded (loaded) with the program and data to be executed, and temporarily holds the operation data during the operation.

  The HDD 440 is a device that stores an OS that is basic software, an application program according to the present embodiment, a plug-in for function expansion, and the like together with related data. In the present embodiment, when the image forming apparatus 100 interrupts the printing process, it is assumed that the HDD 440 holds an interruption cause selection table 445 that defines the processing content after the restart of the printing process for each cause of the interruption.

  The communication I / F 450 is an interface for exchanging information (data) with peripheral devices (such as the image forming apparatuses 100 and 500 and the PC terminal 600) having other communication control functions connected via a communication network. . In the present embodiment, data is transmitted / received to / from a device connected to the LAN in accordance with a communication protocol such as TCP / IP (for example, a print request by the print resuming unit 330, a processing content notification from the PC terminal 600, printing) Data transmission / reception).

The display device 460 is configured by an LCD or the like and displays an operation screen provided in the print server 300. Further, the display device 460 may be a mobile phone that also functions as an interface when receiving input from the user.
Each unit of the print server 300 is realized by the CPU 410 executing a program corresponding to each unit stored in the ROM 420 or the HDD 440.

<Operation Principle of Image Forming Apparatus According to Present Embodiment>
The operation principle of the image forming apparatus 100 according to the present embodiment will be described with reference to FIG. The image forming apparatus 100 is connected to a PC terminal 600 (not shown) and another image forming apparatus 500. Then, the image forming apparatus 100 prints a multi-page printed material according to the print job received from the PC terminal 600. Further, the image forming apparatus 100 prints image data of a document (a plurality of pages) read by the scanner 270 according to a user request.

  The image forming apparatus 100 includes a print processing unit 110, an interruption cause detection unit 120, an interruption cause determination unit 130, a print resumption unit 140, a storage device 240, an input device 260, and an apparatus 290 related to print processing.

  The print processing unit 110 performs normal print processing. For example, when a print job is received from the PC terminal 600, the image data that is the target of the print job is printed using the apparatus 290 related to print processing. For example, when a copy request is received from the user, the document is read using the device 290 related to the print processing, and the read image data is printed using the device 290 related to the print processing. Here, the apparatus 290 related to the printing process is an apparatus such as a scanner 270 or a plotter 280.

  The interruption cause detection unit 120 detects the cause of the interruption of the print job when the image forming apparatus 100 interrupts the print job. For example, the reason why the print job is interrupted is “no response from the device 290 related to print processing”, “toner out of print”, “paper jam occurred”, “print paper cut out” Etc. In other words, when the image forming apparatus 100 interrupts the print job, the interruption cause detection unit 120 indicates that “there is no response from the apparatus 290 regarding print processing”, “toner has run out”, and “paper jam has occurred. The cause of the interruption of the printing process, such as “The printer has run out”, is detected.

  The interruption cause determination unit 130 compares the cause of interruption of the printing process detected by the interruption cause detection unit 120 with the interruption cause selection table 245 held in the storage device 240, and after the printing process is restored in the image forming apparatus 100. The processing content of is determined. The interruption cause selection table 245 is held as shown in FIG. 4, for example, and a selection flag “0” or “1” is defined for each error type (cause of interruption). That is, the interruption cause determination unit 130 extracts a selection flag (“0” or “1”) corresponding to the cause of the interruption of the printing process detected by the interruption cause detection unit 120 from the interruption cause selection table 245. Here, the selection flag “1” corresponds to a process that allows the user to specify a location for resuming the printing process, and the selection flag “0” corresponds to a process for automatically determining a location to resume the printing process. The contents of the interruption cause selection table 245 can be freely determined by the user.

  The print restarting unit 140 restarts the interrupted print job based on the result determined by the interruption cause determining unit 130. That is, when the selection flag extracted by the interruption cause determination unit 130 is “1”, the print resumption unit 140 performs a process of printing the portion specified by the user. Here, it is assumed that the user uses the input device 260 to perform an input for designating a page (print start position) to start printing, and the print resuming unit 140 performs a printing process according to the input. On the other hand, when the selection flag extracted by the interruption cause determination unit 130 is “0”, the print resumption unit 140 performs a process of printing pages after the page that has not been printed. Here, when the print job is interrupted, the image forming apparatus 100 holds information about a printed page, and the print resuming unit 140 performs processing using the information.

  The print resuming unit 140 may be configured to control the print processing unit 110 to perform each of the printing processes described above. Further, the print resuming unit 140 notifies the other image forming apparatus 500 connected to the image forming apparatus 100 via the communication I / F 250 of a control request for causing each of the above printing processes to be executed. There may be. In this case, it is assumed that the other image forming apparatus 500 executes the above-described printing processes in accordance with the received control request.

  Based on the operation principle as described above, the present invention resumes the printing process from the location designated by the user when the image forming apparatus becomes an error (printing disabled state) during the printing process and the printing process is interrupted. Can be made. After visually confirming the print result, the user can manually specify the reprint location and reprint.

<Operation Principle of Print Server According to the Present Embodiment>
The operation principle of the print server according to this embodiment will be described with reference to FIG. The print server 300 is connected to the PC terminal 600, one image forming apparatus 100, and another image forming apparatus 500. Then, the print server 300 causes one image forming apparatus 100 to print a plurality of pages of printed material according to the print job received from the PC terminal 600.

  The print server 300 includes an interruption cause detection unit 310, an interruption cause determination unit 320, a print resumption unit 330, and a storage device 440.

  The interruption cause detection unit 310 detects a cause of interruption of a print job when one image forming apparatus 100 interrupts the print job. For example, the reason why the print job is interrupted is “no response from the device 290 related to print processing”, “toner out of print”, “paper jam occurred”, “print paper cut out” Etc. In other words, when the image forming apparatus 100 interrupts the print job, the interruption cause detection unit 310 indicates that “no response from the apparatus 290 related to the printing process”, “toner has run out”, or “paper jam has occurred. The cause of the interruption of the printing process as indicated by “A.

  The interruption cause determination unit 320 compares the cause of the interruption of the printing process detected by the interruption cause detection unit 310 with the interruption cause selection table 445 held in the storage device 440 and restores the printing process in the image forming apparatus 100. The processing content of is determined. The interruption cause selection table 445 is held as shown in FIG. 4, for example, and a selection flag of “0” or “1” is defined for each error type (cause of interruption). That is, the interruption cause determination unit 320 extracts a selection flag (“0” or “1”) corresponding to the cause of the interruption of the printing process detected by the interruption cause detection unit 310 from the interruption cause selection table 445. Here, the selection flag “1” corresponds to a process that allows the user to specify a location for resuming the printing process, and the selection flag “0” corresponds to a process for automatically determining a location to resume the printing process. The contents of the interruption cause selection table 245 can be freely determined by the user.

  The print restarting unit 330 restarts the interrupted print job based on the result determined by the interruption cause determining unit 320. That is, when the selection flag extracted by the interruption cause determination unit 320 is “1”, the print resumption unit 330 performs a process of printing the portion specified by the user and the subsequent portions. Here, the user uses the input device 610 provided in the PC terminal 600 (which may be in the form provided in the print server 300) or the like to perform input for designating a page (print start location) for starting printing, and printing. The resuming unit 330 performs printing processing according to the input. On the other hand, when the selection flag extracted by the interruption cause determination unit 320 is “0”, the print resumption unit 330 performs a process of printing pages after the page that has not been printed. Here, when the print job is interrupted, it is assumed that the print server 300 holds information about a printed page, and the print resuming unit 330 performs processing using the information.

  The print resuming unit 330 may be configured to control the print processing unit 110 of one image forming apparatus 100 to execute each of the print processes described above. In addition, the print resuming unit 330 may be configured to cause a print processing unit (not shown) included in another image forming apparatus 500 to execute each of the print processes described above. In this case, it is assumed that one image forming apparatus 100 and another image forming apparatus 500 execute each of the above printing processes in accordance with a processing request by the print restarting unit 330 of the print server 300.

  Based on the operation principle as described above, the present invention resumes the printing process from the location designated by the user when the image forming apparatus becomes an error (printing disabled state) during the printing process and the printing process is interrupted. Can be made. After visually confirming the print result, the user can manually specify the reprint location and reprint.

<Example of Processing by Image Forming Apparatus According to this Embodiment>
An example of processing performed by the image forming apparatus 100 according to the present embodiment will be described with reference to FIG. The image forming apparatus 100 is connected to a PC terminal 600 (not shown), receives a processing request for printing a multi-page printed material from the PC terminal 600, and performs a printing process according to the processing request. Further, the image forming apparatus 100 is connected to another image forming apparatus 500 via the communication I / F 250.

In step S <b> 10, the image forming apparatus 100 receives a print job including image data to be printed from the PC terminal 600, and starts print processing related to the image data.
In step S <b> 20, the print processing unit 110 performs processing for printing image data related to the print job using the plotter 280.
In step S30, the print processing unit 110 interrupts the print job being executed for some reason.

In step S40, the interruption cause detection unit 120 detects the cause of interruption of the print job being executed. For example, the interruption cause detection unit 120 detects “out of toner has occurred”, “paper jam has occurred”, “print paper has run out”, and the like.
In S <b> 50, the interruption cause determination unit 130 compares the cause of interruption of the print job detected by the interruption cause detection unit 120 with the interruption cause selection table 245 held in the HDD 240 and determines a corresponding selection flag. For example, the interruption cause determination unit 130 extracts a selection flag corresponding to the interruption cause of the print job detected by the interruption cause detection unit 120 from the interruption cause selection table 245 shown in FIG.

  If the interruption cause determination unit 130 extracts “1” as a selection flag corresponding to the interruption cause of the print job detected by the interruption cause detection unit 120 in S60 (Yes in S60), the print resumption unit 140 in S70. However, it performs the process of printing after the part designated by the user. Here, it is assumed that the user uses the touch panel 260 to input a page to start printing (print start location), and the print resuming unit 140 performs a printing process according to the input.

  In step S <b> 70, the print resuming unit 140 may control the print processing unit 110 to execute the above-described printing process, and cause the other image forming apparatus 500 to execute the above-described printing process. The form which notifies the control request for this may be sufficient. In the latter case, it is assumed that the other image forming apparatus 500 executes the above-described printing process in accordance with the received control request.

  When the interruption cause determination unit 130 extracts “0” as the selection flag corresponding to the interruption cause of the print job detected by the interruption cause detection unit 120 in S60 (No in S60), the print resumption unit 140 in S80. However, it performs a process of printing pages after the page that has not been printed. Here, when the print job is interrupted, the image forming apparatus 100 holds information about a printed page, and the print resuming unit 140 performs processing using the information.

  In step S80, the print resuming unit 140 may control the print processing unit 110 to execute the above printing process, and cause the other image forming apparatus 500 to execute the above printing process. The form which notifies the control request for this may be sufficient. In the latter case, it is assumed that the other image forming apparatus 500 executes the above-described printing process in accordance with the received control request.

By doing so, when the image forming apparatus becomes an error (printing impossible state) during the printing process and the printing process is interrupted, the printing process can be resumed from a location designated by the user. After visually confirming the print result, the user can manually specify the reprint location and reprint.
<Example of processing by print server according to this embodiment>
A processing example by the print server 300 according to the present embodiment will be described with reference to FIG. The print server 300 is connected to the PC terminal 600, receives a processing request for printing a plurality of pages of printed matter from the PC terminal 600, and causes the one image forming apparatus 100 to execute the processing request. The print server 300 is connected to one image forming apparatus 100 and another image forming apparatus 500 via the communication I / F 450.

In step S <b> 110, the print server 300 receives a print job including image data to be printed from the PC terminal 600, and starts processing for causing the image forming apparatus 100 to execute print processing related to the image data.
In step S <b> 120, the print processing unit 110 of the image forming apparatus 100 performs processing for printing image data related to the print job by the plotter 280.
In step S130, the print processing unit 110 interrupts the print job being executed for some reason.

In step S140, the interruption cause detection unit 310 detects the cause of the interruption of the print job being executed. For example, the interruption cause detecting unit 310 detects “out of toner has occurred”, “paper jam has occurred”, “print paper has run out”, and the like in the image forming apparatus 100.
In S150, the interruption cause determination unit 320 compares the cause of interruption of the print job detected by the interruption cause detection unit 310 with the interruption cause selection table 445 held in the HDD 440, and determines a corresponding selection flag. For example, the interruption cause determination unit 320 extracts a selection flag corresponding to the interruption cause of the print job detected by the interruption cause detection unit 310 from the interruption cause selection table 445 shown in FIG.

  If the interruption cause determination unit 320 extracts “1” as the selection flag corresponding to the cause of interruption of the print job detected by the interruption cause detection unit 310 in S160 (Yes in S160), the print resumption unit 330 in S170. However, a process for printing after the portion designated by the user is performed. Here, the user uses the input device 610 of the PC terminal 600 to perform input for designating a page to start printing (print start location), and the print resuming unit 330 performs printing processing according to the input. And

  In step S <b> 170, the print resuming unit 330 may be configured to control the print processing unit 110 of the image forming apparatus 100 to execute the above-described print processing, and control a print processing unit (not shown) of the image forming apparatus 500. And the form which performs said printing process may be sufficient. In this case, it is assumed that the image forming apparatus 100 and the image forming apparatus 500 execute the above-described print processing in accordance with a print processing command from the print resuming unit 330.

  If the interruption cause determination unit 320 extracts “1” as the selection flag corresponding to the interruption cause of the print job detected by the interruption cause detection unit 310 in S160 (No in S160), the print resumption unit 330 in S180. However, it performs a process of printing pages after the page that has not been printed. Here, when the print job is interrupted in the image forming apparatus 100, the print server 300 holds information about a printed page, and the print resuming unit 330 performs processing using the information. And

  In step S180, the print resuming unit 330 may be configured to control the print processing unit 110 of the image forming apparatus 100 to execute the above-described print processing, or a print processing unit (not shown) of another image forming apparatus 500. The above-described print processing may be executed by controlling the above. In this case, it is assumed that the image forming apparatus 100 and the image forming apparatus 500 execute the above-described print processing in accordance with a print processing command from the print resuming unit 330.

  By doing so, when the image forming apparatus becomes an error (printing impossible state) during the printing process and the printing process is interrupted, the printing process can be resumed from a location designated by the user. After visually confirming the print result, the user can manually specify the reprint location and reprint.

(Summary)
According to the present invention, an image forming apparatus, an image forming method, and an image forming program for resuming a printing process from a location designated by a user when the printing process is interrupted due to an error (unprintable state) in the middle of the printing process. , A print server, a printer control method, and a printer control program can be provided.
Although the embodiment of the present invention has been described in detail above, the present invention is not limited to the specific embodiment, and various modifications are possible within the scope of the gist of the present invention described in the claims.・ Change is possible.

2 is a diagram illustrating an example of a hardware configuration of an image forming apparatus according to the present embodiment. FIG. It is a figure which shows an example of the hardware constitutions of the print server which concerns on this Embodiment. FIG. 3 is a diagram for explaining an operation principle of the image forming apparatus according to the present embodiment. It is a figure for showing an example of the interruption cause selection table which concerns on this Embodiment. It is a figure for demonstrating the principle of operation of the print server which concerns on this Embodiment. 6 is a flowchart illustrating an example of processing by the image forming apparatus according to the present embodiment. 6 is a flowchart illustrating an example of processing by the print server according to the present embodiment.

Explanation of symbols

100 Image forming apparatus 110 Print processing means 120 Interruption cause detection means 130 Interruption cause determination means 140 Print resumption means 210 CPU
220 ROM
230 RAM
240 HDD
245 Interruption cause selection table 250 Communication I / F
260 Touch Panel 270 Scanner 280 Plotter 300 Print Server 310 Interruption Cause Detection Unit 320 Interruption Cause Determination Unit 330 Print Resume Unit 410 CPU
420 ROM
430 RAM
440 HDD
450 Communication I / F
460 Display device 500 Other image forming device 600 PC terminal 610 Input device

Claims (14)

An image forming apparatus that executes a print job for printing a plurality of pages in a predetermined order,
When the print job is interrupted, an interrupt cause detecting unit for detecting the cause of interrupting the print job;
An image forming apparatus comprising: a print resuming unit that prints a page designated by a user and subsequent pages for the print job when the cause detected by the interruption cause detection unit is a predetermined cause. When the cause detected by the error cause detection means is other than a predetermined cause,
The image forming apparatus according to claim 1, wherein the print resuming unit prints pages after the page that has not been printed in relation to the print job.   3. The image forming apparatus according to claim 1, wherein the print resuming unit issues a control request for causing another image forming apparatus to print pages specified by a user and subsequent pages. A print server connected to an image forming apparatus and causing the image forming apparatus to execute a print job for printing a plurality of pages in a predetermined order,
When the image forming apparatus interrupts the print job, an interruption cause detection unit that detects a cause of interruption of the print job;
When the cause detected by the interruption cause detection unit is a predetermined cause, the image forming apparatus includes a print resuming unit that causes the image forming apparatus to print a page specified by a user and subsequent pages. Print server. When the cause detected by the interruption cause detection means is other than a predetermined cause,
The print server according to claim 4, wherein the print resuming unit causes the image forming apparatus to print pages after the unprinted page with respect to the print job. When connected to a plurality of image forming apparatuses and one image forming apparatus interrupts the print job,
The print server according to claim 4, wherein the print resuming unit causes another image forming apparatus to print pages after the page designated by the user. An image forming method of an image forming apparatus for executing a print job for printing a plurality of pages in a predetermined order,
A step of detecting a cause of interrupting the print job when the interrupt cause detecting means interrupts the print job;
An image forming method comprising: a step of printing, when the cause detected by the interruption cause detecting means is a predetermined cause, printing a page designated by a user and subsequent pages with respect to the print job; Method. When the cause detected by the error cause detection means is other than a predetermined cause,
The image forming method according to claim 7, wherein the print resuming unit prints pages after the page that has not been printed in relation to the print job.   The image forming method according to claim 7, wherein the print resuming unit issues a control request to cause another image forming apparatus to print a page specified by a user and subsequent pages. A printer control method for a print server that is connected to an image forming apparatus and causes the image forming apparatus to execute a print job for printing a plurality of pages in a predetermined order.
An interruption cause detection unit detecting the cause of interruption of the print job when the image forming apparatus interrupts the print job;
And a step of causing the image forming apparatus to print a page designated by a user on and after the print job when the cause detected by the interruption cause detection means is a predetermined cause. A printer control method. When the cause detected by the interruption cause detection means is other than a predetermined cause,
The printer control method according to claim 10, wherein the print resuming unit causes the image forming apparatus to print pages after unprinted pages with respect to the print job. When connected to a plurality of image forming apparatuses and one image forming apparatus interrupts the print job,
12. The printer control method according to claim 10, wherein the print resuming unit causes another image forming apparatus to print pages after the page designated by the user.   An image forming program for causing a computer to execute the image forming method according to claim 7.   A printer control program for causing a computer to execute the printer control method according to any one of claims 10 to 12.

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