JP5757383B2 - Image forming apparatus and control program for image forming apparatus - Google Patents

Description

  The present invention relates to an image forming apparatus and a control program for the image forming apparatus.

  In recent years, image forming apparatuses such as printers have been used for various purposes, and various functions have been added to image forming apparatuses.

  As an additional function of the image forming apparatus, for example, there is a booklet printing function for the purpose of printing a booklet. The booklet printing function assigns two pages to each side of the paper, and double-sided printed paper is stacked and folded into two to create a booklet. Page assignment processing is complicated. It will be a thing.

  For this reason, a technique that enables previewing the state after printing (for example, see Patent Document 1) and a technique that displays a preview that reflects insertion printing (for example, patents). For example, a document in which the state after printing can be confirmed before printing is proposed (see Document 2).

JP 2001-134410 A JP 2003-091528 A

  The present invention provides an image forming apparatus and an image forming apparatus control program capable of easily performing a subsequent response when a booklet is generated using manual double-sided printing even if a failure occurs during printing. The purpose is to provide.

  In order to achieve the above object, according to the first aspect of the present invention, when manual duplex printing is performed, a plurality of pieces of image information are arranged according to the page order so that a booklet can be generated with the printed paper. Arranging means for rearranging and allocating pages, printing means for printing based on image information assigned by the allocating means, and printing by the printing means when a failure occurs during printing by the printing means And a display unit for displaying information specified by the image information on a sheet to be used when resuming.

  According to a second aspect of the present invention, in the first aspect of the present invention, the accepting means for accepting designation of paper used when the printing means resumes printing according to the information displayed by the display means, and the accepting means includes: A storage unit that stores information specifying the image information as reprint information when there is unprinted image information when printing by the printing unit is resumed based on the specification of the received paper; It is characterized by doing.

  The invention of claim 3 further comprises stop means for stopping printing by the printing means every time the printing means performs a predetermined number of printings in the invention of claim 1, wherein the display means comprises: When printing is stopped by the stop unit, information specifying a sheet to be used when printing is restarted by the printing unit based on the image information is displayed.

  According to a fourth aspect of the present invention, when manual duplex printing is performed, a plurality of image information is rearranged according to the page order so that a booklet can be generated on the printed paper. An allocation process to be performed; a printing process for causing the printing means to perform printing based on the image information assigned to the page by the allocation process; and when a failure occurs during printing by the printing means, the printing means resumes printing. The computer is caused to execute display processing for displaying information specified by the image information on the paper used at the time.

  According to a fifth aspect of the present invention, in the fourth aspect of the invention, there is provided a reception process for receiving a designation of a sheet to be used when printing is resumed by the printing unit according to the information displayed in the display process, and the reception process. A storage process for storing information specifying the image information as reprint information when there is unprinted image information when printing by the printing unit is resumed based on the specification of the received paper. The computer is executed.

  The invention according to claim 6 is the invention according to claim 4, wherein the computer further executes stop processing for stopping printing by the printing means every time the printing means performs a predetermined number of printings, and the display The processing is characterized in that, when printing is stopped by the stop processing, information specifying the paper used for restarting printing by the printing means based on the image information is displayed.

  According to the first aspect of the present invention, even when a trouble such as a paper jam occurs at the time of printing when generating a booklet by using manual double-sided printing, the printing is resumed after returning from the trouble. This can be done easily and waste of paper can be prevented.

  According to the second aspect of the present invention, it is possible to easily reprint a page that is insufficient due to a paper jam or the like.

  According to the third aspect of the present invention, it is possible to reduce the number of wasted sheets even when there is a shift in printing on the front and back surfaces due to double feeding of sheets.

  According to the invention of claim 4, even when a failure such as a paper jam occurs during printing when generating a booklet using manual duplex printing, printing after returning from the failure is performed. Restarting can be easily performed, and waste of paper can be prevented.

  According to the fifth aspect of the present invention, it is possible to easily reprint a page that is insufficient due to a paper jam or the like.

  According to the sixth aspect of the present invention, it is possible to reduce the number of wasted sheets even when there is a shift in printing on the front and back surfaces due to double feeding of sheets.

1 is a block diagram illustrating a configuration of an image forming apparatus. 3 is a diagram illustrating a configuration example of a control unit 2. FIG. 3 is a block diagram illustrating a configuration example of a functional configuration of a control unit 2. FIG. It is a figure for demonstrating the allocation process. 3 is a flowchart showing a flow of operation of the control unit 2. 3 is a flowchart showing a flow of operation of the control unit 2. It is the figure which showed the example of the response instruction | indication screen. It is the figure which showed the example of the restart confirmation instruction | indication screen. It is the figure which showed the example of the restart confirmation instruction | indication screen. It is the figure which showed the example of the response instruction | indication screen. It is the figure which showed the example of the restart confirmation instruction | indication screen. It is the figure which showed the example of the restart confirmation instruction | indication screen. 6 is a diagram illustrating an example of a reprint instruction screen. FIG. It is the figure which showed the example of the restart confirmation instruction | indication screen. 3 is a flowchart showing a flow of operation of the control unit 2. It is the figure which showed the example of the restart confirmation instruction | indication screen.

  Hereinafter, an embodiment of an image forming apparatus and a control program for the image forming apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a block diagram illustrating a configuration of the image forming apparatus. As illustrated in FIG. 1, the image forming apparatus 1 includes a control unit 2, a display unit 3, an instruction input unit 4, a communication unit 5, an image information storage unit 6, and an image forming unit 7.

  The control unit 2 controls the entire image forming apparatus 1, that is, each unit of the display unit 3, the instruction input unit 4, the communication unit 5, the image information storage unit 6, and the image forming unit 7.

  The display unit 3 displays an operation method guidance, a failure notification, and the like for the operator of the image forming apparatus 1.

  The instruction input unit 4 is operated by an operator of the image forming apparatus 1 and inputs various settings, print execution instructions, and the like. The instruction input unit 4 may use an input device such as a keyboard, or may use a touch panel integrated with the display unit 3. Of course, both may be used together.

  The communication unit 5 communicates with an information processing apparatus (not shown) via a communication network and receives print information output from the information processing apparatus. The print information is information described in a page description language or the like generated by a printer driver such as an information processing apparatus (not shown).

  The image information storage unit 6 temporarily stores print information received by the communication unit 5 and image information generated by the image forming unit 7 based on the print information.

  The image forming unit 7 performs image processing for generating image information based on the print information received by the communication unit 5, printing processing for printing an image on a sheet based on the image information, and the like. Note that the printing process may be performed by any method such as a method in which toner is transferred and fixed on paper, or a method in which printing is performed on paper with ink. It is assumed that the image forming unit 7 does not have a function of reversing paper for performing double-sided printing automatically.

  Next, details of the control unit 2 will be described. FIG. 2 is a diagram illustrating a configuration example of the control unit 2, and FIG. 3 is a block diagram illustrating a configuration example of a functional configuration of the control unit 2.

  As illustrated in FIG. 2, the control unit 2 includes a calculation unit 21, a temporary storage unit 22, a storage unit 23, and a connection unit 24.

  The arithmetic unit 21 performs arithmetic processing, and is realized by a processor such as a CPU (Central Processing Unit), for example.

  The temporary storage unit 24 is used for a work area or the like when the calculation unit 21 performs calculation processing, and temporarily stores information and the like. For example, the temporary storage unit 24 is realized by a semiconductor storage element such as a RAM (Random Access Memory). It is.

  The storage unit 23 stores programs, setting information, and the like, and is realized by a semiconductor storage element such as a ROM (Read Only Memory) and a nonvolatile memory (Nonvolatile Memory).

  The connection unit 24 is connected to each of the display unit 3, the instruction input unit 4, the communication unit 5, the image information storage unit 6, and the image forming unit 7, and is realized by an electric circuit or the like.

  The control unit 2 realizes each functional unit shown in FIG. 3 by the operation unit 21 operating according to the program stored in the storage unit 23.

  As illustrated in FIG. 3, the control unit 2 includes functional units such as an allocation unit 201, an image formation control unit 202, a failure detection unit 203, a display information generation unit 204, a restart position determination unit 205, and a reprint information storage control unit 206. have.

  The layout unit 201 is a functional unit that performs layout processing when the print information received by the communication unit 5 includes a print instruction in a form that requires page layout of image information, and is instructed to print a booklet. If it is, the allocation process is performed. Note that the layout processing for booklet printing will be described later.

  The image forming control unit 202 is a functional unit that controls the image forming unit 7 and causes the image forming unit 7 to execute printing in accordance with the result of the allocation processing by the allocation unit 201.

  The failure detection unit 203 is a functional unit that detects that a failure such as a paper jam has occurred based on a signal output from the image forming unit 7 while the image forming unit 7 is printing. When the failure detection unit 203 detects the occurrence of a failure, the failure detection unit 203 notifies the image forming unit 202 and the display information generation unit 204 of this, and stops the image forming unit 7 and causes the operator to respond to the failure. Display instructions.

  The display information generation unit 204 generates display information to be displayed on the display unit 3, and generates and displays display information including an instruction for responding to the failure when a failure such as a paper jam occurs. This is a functional unit to be displayed on the unit 3. The generated display information will be described later.

  The resume position determination unit 205 is configured to return from the failure based on the instruction input input to the instruction input unit 4 by the operator according to the display information generated by the display information generation unit 204 and displayed on the display unit 3. This is a functional unit that determines the position at which printing is resumed. Details of the position determination will be described later.

  The reprint information storage control unit 206 is a functional unit that causes the image information storage unit 6 to store information that identifies image information that has not been printed due to the occurrence of a failure.

  Next, an allocation process when performing booklet printing by the allocation unit 201 will be described. FIG. 4 is a diagram for explaining the allocation process.

  In the layout process when performing booklet printing, the layout unit 201 first adjusts the number of pages of image information to be allocated. In booklet printing, since two pages of image information are assigned to the front and back sides of the paper, a total of four pages of image information are assigned to each paper. For this reason, when the number of image information generated based on the print information is not a multiple of 4, adjustment is performed by adding a blank page so that the number of image information is a multiple of 4. For example, as shown in FIG. 4A, when the number of image information is 190 from 1 page to 190 pages, as shown in FIG. 4B, 191 pages and 192 which are blank pages. Add with page.

  Subsequently, the allocation unit 201 performs page allocation for printing on the back side of the paper. Since the paper printed on the back side is then printed on the front side, when printing on the back side, the output order is reversed, and the total number of pages (number of image information) is added to the paper that is output first. The page is divided so that the page divided by 2 and the next page are printed, and the next output sheet is arranged so that the previous page and the next page are printed, respectively. For example, when the image information shown in FIG. 4B is assigned, as shown in FIG. 4C, pages 96 and 97 are assigned to the back side of the 48th sheet, and the back side of the 47th sheet. 94 pages and 99 pages are allocated to page 1, and pages 2 and 191 are allocated to the back side of the first sheet.

  Subsequently, the allocating unit 201 performs page allocation for printing on the surface of the paper. When printing on the front side, the first output paper is assigned so that the last page and the first page are printed, and the next output paper is printed with the previous page and the next page, respectively. Allocation is performed as follows. For example, when the image information shown in FIG. 4B is allocated, as shown in FIG. 4D, 192 pages and 1 page are allocated on the surface of the first sheet, and the surface of the second sheet. 190 pages and 3 pages are assigned to page 48, and 98 pages and 95 pages are assigned to the surface of the 48th sheet.

  By performing the allocation process in this way, for example, the 18th sheet to which the image information shown in FIG. 4B is allocated is allocated 36 pages and 157 pages on the back surface, and on the front surface, 158 pages and 35 pages are allocated.

  Next, the operation of the control unit 2 will be described. 5 and 6 are flowcharts showing the flow of operation of the control unit 2.

  When the communication unit 5 receives the print information (Step 301), the control unit 2 determines whether the print information includes a booklet printing instruction. If the print information does not include an instruction for booklet printing (NO in step 302), normal processing is performed (step 303). Since this normal process is the same as the process conventionally performed, description here is abbreviate | omitted.

  On the other hand, if the printing information received by the communication unit 5 includes an instruction for booklet examination (YES in step 302), the allocating unit 201 performs an allocation process for booklet printing (step 304).

  Subsequently, the image forming control unit 202 controls the image forming unit 7 to print the back side of the sheet (step 305).

  When a failure such as a paper jam occurs during printing on the back side of the paper and this is detected by the failure detection unit 203 (YES in step 306), the display information generation unit 204 instructs the operator to deal with it. Is generated and displayed on the display unit 3 (step 307).

  The response instruction screen includes instructions for the operator such as “paper jam has occurred” and “please remove the paper” as in the screen 501 shown in FIG.

  When the operator removes the paper causing the paper jam according to the instruction displayed on the handling instruction screen and the image forming apparatus 1 is ready to resume printing (YES in step 308), the display information generating unit 204 generates a resumption confirmation instruction screen for instructing the operator to confirm resumption of printing, and displays it on the display unit 3 (step 309).

  The restart confirmation instruction screen includes an instruction to the operator such as “Please check the page that failed to print in preview” as shown in the screen 502 in FIG. 8, for example. For example, if the display unit 3 displaying the screen 502 is a touch panel, the display information generation unit 204 displays the screen 503 shown in FIG. 9 as a resumption confirmation instruction screen. In this way, a screen on which the page that failed to be printed can be specified is displayed on the display unit 3.

  The screen 503 displays an image information display field 531 that indicates all image information (pages) as symbols, a back surface display field 532 that indicates the back side of the paper to which the image information is assigned, and symbols displayed in the back surface display field 532. Among them, a reduced image display field 533 for displaying a reduced image of image information corresponding to the selected symbol is provided. The back side display column 532 allows the status of the back side of all sheets to be confirmed by scrolling the display. The operator refers to the image information display column 531, the back side display column 532, and the reduced image display column 533. Thus, a page that has failed to be printed is designated from the back surface display column 532. It should be noted that a reduced image can be displayed instead of the image information and the symbol indicating the back side of the paper.

  When the operator designates a page that has failed to be printed, the control unit 2 detects this as an input of a resumption confirmation instruction (YES in Step 310), and the resumption position determination unit 202 determines a position at which printing is resumed ( Step 311). At this time, the restart position determination unit 202 determines a sheet including a page for which printing specified by the operator has failed as a position for restarting printing. For example, when the operator designates the symbol of the 46th sheet including 92 pages, printing is resumed from the 46th sheet.

  These processes are repeated until the printing on the back side of all sheets is completed (NO in step 312). When the printing on the back side is completed (YES in step 312), the display control unit 313 causes the sheet on which the back side has been printed. Is displayed on the screen (step 313).

  Then, when the operator sets the paper whose back side is already printed on the paper supply source and instructs the execution of printing from the instruction input unit 4 and the control unit 2 accepts this (YES in step 314), the image formation control is performed. The unit 202 controls the image forming unit 7 to print the paper surface (step 315).

  When a failure such as a paper jam occurs during printing on the paper surface and this is detected by the failure detection unit 203 (YES in step 316), the display information generation unit 204 instructs the operator to respond. Is generated and displayed on the display unit 3 (step 317). The response instruction screen includes instructions for the operator such as “paper jam has occurred” and “please remove paper”, as in a screen 601 shown in FIG.

  When the operator removes the paper causing the paper jam according to the instruction displayed on the handling instruction screen and the image forming apparatus 1 is ready to resume printing (YES in step 318), the display information generating unit 204 generates a resumption confirmation instruction screen for instructing the operator to confirm resumption of printing, and displays it on the display unit 3 (step 319).

  The restart confirmation instruction screen includes an instruction for the operator such as “Please check the page that failed to print in preview” as in the screen 602 shown in FIG. 11, for example. For example, if the display unit 3 displaying the screen 602 is a touch panel when a response instruction is input, when the screen is touched, the display information generation unit 204 displays the screen 603 shown in FIG. In this way, a screen on which the page that failed to be printed can be specified is displayed on the display unit 3.

  The screen 603 includes an image information display field 631 that indicates all image information (pages) as symbols, a back surface display field 632 that indicates the back side of the paper to which the image information is assigned, and a front surface of the paper to which the image information is assigned as a symbol. A front display column 633, a storage information display column 634 that symbolizes the front and back sides of the paper to which image information that has not been printed due to a failure is assigned, a back display column 632, a front display column 633, and a stored information display column 634. The reduced image display field 635 for displaying the reduced image of the image information corresponding to the selected symbol among the symbols displayed in FIG. Any one of the back surface display field 632, the front surface display field 633, and the saved information display field 634 is selectively displayed, and the display can be scrolled. The operator refers to the image information display field 631, the back surface display field 632, the front surface display field 633, and the reduced image display field 635, and designates a page that has failed to be printed from the back surface display field 632 or the front surface display field 633. It becomes. In addition, since the information on the same sheet is displayed in the back surface display column 632 and the front surface display column 633, the page that failed to be printed may be designated from either the back surface display column 632 or the front surface display column 633. In addition, a paper jam that is a failure may occur due to double feeding of paper. In this case, because there are multiple failed sheets, multiple pages must be specified for printing failure. It is possible to do.

  When the operator designates a page that has failed to be printed, the control unit 2 detects this as an input of a resumption confirmation instruction (YES in Step 320), and the resumption position determination unit 202 determines a position at which printing is resumed ( Step 321). At this time, the restart position determination unit 202 determines the sheet to be printed next to the sheet including the page for which printing specified by the operator has failed as the position to restart printing. For example, when the operator designates the symbol of the third sheet including five pages, printing is resumed from the fourth sheet. When the operator designates the third paper symbol and the fourth paper symbol, printing is resumed from the fifth paper.

  When the resuming position determining unit 202 determines the resuming position of printing, if a page that has not been printed occurs (YES in step 322), the reprint information storage control unit 206 stores in the image information storage unit 6. Then, the information on the unprinted page is stored as the reprint information (step 323). At this time, image information of a target page may be stored, or only information for specifying an unprinted page may be stored. For example, when the operator designates the symbol of the third sheet and determines the fourth sheet as the resume position, the fifth page and the 188 page to be printed on the third sheet are not printed. It corresponds to printing, and although not strictly unprinted, pages 6 and 187, which are equivalent to unprinted due to the discard of the third sheet with the printed back side, also correspond to unprinted It becomes.

  These processes are repeated until printing on the front side of all sheets is completed (NO in step 324). When printing on the back side is completed (YES in step 324), the control unit 2 re-stores in the image information storage unit 6. If the print information is not stored (NO in step 325), the print process is terminated. If the reprint information is stored in the image information storage unit 6 (YES in step 325), the reprint process is performed. The printing process ends.

  The reprinting process is performed by the display information generating unit 204 displaying, for example, a screen 604 as shown in FIG. 13 as a reprinting instruction screen, and printing the image information selected from the screen 604. The screen 604 is in a state where the storage information display field 634 is displayed from the back surface display field 632, the front surface display field 633, and the storage information display field 634 selectively displayed on the screen 603 shown in FIG. It is equivalent.

  The order of printing on the back surface and printing on the front surface may be reversed. When the surface to be printed is printed first, when the back surface is printed in the above example, as a result, Since the processing is the same as when printing, the processing of step 309, step 310, and step 311 can be omitted.

  Further, the restart confirmation instruction screen does not necessarily have to be a screen using symbols or reduced images as shown in FIGS. 9 and 12, for example, a screen displaying only characters as shown in FIG. May be.

  Furthermore, the failure detected by the failure detection unit 203 is not limited to a paper jam, and the same processing is performed as long as it is a detectable failure even in the case of paper double feed.

  In the second embodiment, in addition to the processing described in the first embodiment, processing for reducing waste of paper when the printing result on the front surface and the back surface is caused by double feeding of paper that could not be detected. An example of executing is described. Note that the example described here is only partially different from the processing described in the first embodiment, and only the differences will be described here.

  FIG. 15 is a flowchart showing an operation flow of the control unit 2. In the flowchart, only step 350 is added to the flowchart shown in FIG.

  When the printing is performed on the front surface without causing a failure (NO in step 316), the control unit 2 determines that the number of prints reaches a predetermined number (YES in step 350). 202 controls the image forming unit 7 to stop printing, and the display information generation unit 204 generates a resumption confirmation instruction screen for instructing the operator to confirm resumption of printing. (Step 319).

  The restart confirmation instruction screen includes an instruction to the operator such as “Please check the page of the last output paper in the preview”, and a response instruction is input to the screen. Then, the display information generation unit 204 displays on the display unit 3 a screen on which the last output sheet can be designated as a resumption confirmation instruction screen, such as a screen 701 shown in FIG.

  The screen 701 has a front and back surface display column 711 that indicates information on the back surface and the display surface of the paper that is supposed to be output last. In the front / back display column 711, the display can be scrolled, so that the operator can compare the last output sheet with the preview.

  As a result, if the correspondence between the front surface and the back surface of the last output paper does not match the preview, the display information generation unit 204 inputs a message to that effect from the instruction input unit 4, and the display information generation unit 204 When the screen 603 shown in FIG. 12 is displayed as a screen and printing is resumed by performing the same processing as in the first embodiment on the screen 603, the correspondence between the front and back surfaces may be normal. it can.

  Further, if the correspondence between the front and back surfaces of the last output paper matches the preview, printing is resumed as it is, and when the number of prints reaches a predetermined number again (YES in step 350), Similar processing is performed.

  By such processing, even when double detection of undetectable sheets occurs, the maximum number of sheets that are wasted becomes a predetermined number, and a situation where all sheets after the occurrence of double feed is wasted is avoided. be able to.

DESCRIPTION OF SYMBOLS 1 Image forming apparatus 2 Control part 3 Display part 4 Instruction input part 5 Communication part 6 Image information storage part 7 Image formation part 21 Calculation part 22 Temporary storage part 23 Storage part 24 Connection part 201 Assignment part 202 Image formation control part 203 Fault detection Unit 204 display information generation unit 205 resumption position determination unit 206 reprint information storage control unit 501 screen 502 screen 503 screen 531 image information display column 532 back surface display column 533 reduced image display column 601 screen 602 screen 603 screen 604 screen 631 image information display Field 632 Back display field 633 Front display field 634 Storage information display field 635 Reduced image display field 701 Screen 711 Front and back surface display field

Claims (10)

Layout means for rearranging a plurality of pieces of image information and allocating pages on the front and back of the plurality of sheets so that a booklet can be generated on the printed sheets;
Printing means for performing printing on the other of the front surface or the back surface of the paper after printing on one of the front surface or the back surface of all the papers to be printed based on the image information assigned by the layout means;
If a failure occurs during printing on either the front or back side of the paper, the paper containing the page instructed to have failed in printing is determined as the print resume position, and there is a failure during printing on the other side of the front or back side of the paper. A determination means for determining, as a print resume position, a sheet to be printed next to a sheet including a page instructed to cause a failure in printing,
An image forming apparatus comprising:   The image forming apparatus according to claim 1, further comprising a display unit configured to display information for confirming a page in which a print failure has occurred when a print failure occurs.   3. The image forming apparatus according to claim 2, wherein the display unit includes a back surface display field indicating a back surface of a sheet to which image information is allocated and a front surface display field indicating a front surface of the sheet to which image information is allocated.   4. The image forming apparatus according to claim 2, wherein the display unit includes a storage information display column indicating a front surface and a back surface of a sheet to which image information that has not been printed due to a failure is assigned. And further comprising a stopping means for stopping printing by the printing means each time the printing means performs a predetermined number of printings,
5. The display device according to claim 2, wherein when the printing is stopped by the stop unit, the display unit performs display for designating a paper output last output stopped by the stop unit. 6. Image forming apparatus. An allocation process for rearranging a plurality of pieces of image information and allocating pages on the front and back of a plurality of sheets so that a booklet can be generated on a printed sheet;
A printing process in which printing is performed on one of the front and back surfaces of all the papers to be printed based on the image information that has been page-allocated by the layout processing, and then printing is performed on the other of the front and back surfaces of the paper;
If a failure occurs during printing on either the front or back side of the paper, the paper containing the page for which printing has failed is determined as the print resume position, and a failure occurs during printing on the other side of the front or back side of the paper. A determination process for determining, as a print resume position, a sheet to be printed next to a sheet including a page for which printing has been instructed;
A program for controlling an image forming apparatus.   The control program for an image forming apparatus according to claim 6, further causing the computer to execute a display process for displaying information for confirming a page in which a failure has occurred in printing when a failure has occurred in printing.   8. The display process according to claim 7, wherein the computer causes the computer to execute a back surface display process indicating a paper back surface to which image information is allocated and a front surface display process indicating a paper surface to which image information is allocated. A control program for an image forming apparatus.   9. The image formation according to claim 7, wherein the display process causes the computer to execute a stored information display process indicating a front surface and a back surface of a sheet to which image information that has not been printed due to a failure is assigned. Device control program. The printing process is the printing by the printing process is executed to further the computer to stop processing for stopping each time to perform the number of printing a predetermined,
The display process when the print by the stop process has stopped, according to any one of claims 7 to 9, characterized in that the display for designating a paper output to the last that has been stopped by the stop process Image forming apparatus control program.

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