JP2010158791A - Image forming apparatus, job processing method and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that it is difficult for the user to specify a job to be canceled from the inputted jobs in the case of instructing the cancel of the inputted jobs. <P>SOLUTION: The user who instructs the cancel of the job is specified, and in the case the job of the user who inputted the job exists in the image forming apparatus, the job continuation is restricted. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an image forming apparatus that processes a submitted job.

  In a conventional image forming apparatus, when a job is canceled after the job is input to the image forming apparatus, the job is canceled by performing a predetermined operation on the operation unit of the image forming apparatus.

  Specifically, the user selects a job list that is currently being executed as the first operation, and the user selects a job to be canceled from the displayed job list as the second operation. Further, as the third operation, the user roughly follows three operation procedures to instruct a cancel button for canceling the job being executed.

  For this reason, the user cannot quickly cancel the job being executed.

Further, another conventional image forming apparatus describes a printing system in which when an abnormal operation is detected for quick cancellation, a job in operation is temporarily stopped, and a job to be canceled is selected and canceled. (For example, refer to Patent Document 1).
JP 2007-55023 A

  However, in the printing system described in Patent Document 1, an abnormal operation does not necessarily mean the user's intention to cancel, and therefore, an operation contrary to the user's intention is performed for a job in which the image forming apparatus is input. There was a case.

  In addition, in a printing system in which a job during image formation is temporarily stopped, it is desirable that the user completes the cancel instruction before the selected job is executed. However, if the user takes time for the first to third operations, execution of the job is started and wasteful image forming processing is executed even though the job is to be canceled, and printing is performed. In some cases, paper and other resources are wasted.

  Further, when a plurality of jobs are held as job targets to be canceled by the user, there has been a situation in which the user cannot quickly cancel the intended job.

  The present invention has been made to solve the above-described problems. The object of the present invention is to easily specify a job whose job is to be restricted by a user who has submitted the job when the execution of the submitted job is to be restricted. I was able to do that.

  The image forming apparatus of the present invention that achieves the above object has the following configuration.

  An image forming apparatus for processing a received job, a holding unit for holding the received job, a specifying unit for specifying a user who has instructed execution of the job, and an instruction for instructing to limit the execution of the job Means for determining whether or not a job by the user specified by the specifying means is held in the holding means, and a job by the user specified by the specifying means is held in the holding means And a control unit that restricts execution of the job by the specified user in accordance with an instruction from the instruction unit.

  According to the present invention, when it is desired to limit the execution of a submitted job, the user who has submitted the job can easily specify the job whose execution is to be restricted.

  Next, the best mode for carrying out the present invention will be described with reference to the drawings.

<Description of system configuration>
[First Embodiment]
The best mode for carrying out the present invention will be described below with reference to the drawings.

  FIG. 1 is a block diagram illustrating a hardware configuration of the image forming apparatus according to the present exemplary embodiment. The image forming apparatus to which this embodiment can be applied is not limited to the printing apparatus shown in FIG. 1, but is also a multifunction peripheral (MFP (Multi Function Printer) that processes a job received from an information processing apparatus connected to a network. In addition, when the image forming apparatus shown in the present embodiment is a multi-function peripheral, a copy job for reading and printing a document image, and a print job for outputting a print job received from an external apparatus are stored. A “spool” memory is provided, and a job includes image data and processing settings (print settings, etc.) of the image data.

  The printing apparatus shown in FIG. 1 includes a controller unit 101, an operation unit 102, a printer unit 103, an image communication unit 104, an image processing unit 105, a memory unit 106, and an imaging unit 107. The outline of each part will be described below.

  In FIG. 1, a controller unit 101 is a part that controls the entire printing apparatus. The controller unit 101 is electrically connected to each device including the printer unit 103 via a bus (BUS) described later. The controller unit 101 controls various data processing including job cancellation processing in accordance with the procedure shown in the flowchart described below.

  For example, the image forming apparatus performs processing and job management for a job input from an external information processing apparatus. In the image forming apparatus to which the present invention is applicable, it does not matter whether the print processing method of the printer unit 103 is an electrophotographic method or an inkjet method. Further, the image forming apparatus includes hardware resources and software resources described later, and processes a job received from an external information processing apparatus. Here, the connection form between the information processing apparatus and the image forming apparatus may be a network connection or a connection using an interface cable as long as bidirectional communication is possible.

  The operation unit 102 provides a user interface for the user to operate the image forming apparatus. For example, it includes a liquid crystal touch panel and hard keys such as a numeric keypad and a start key. The liquid crystal touch panel gives an operation instruction to the user and displays a preview of an output image of an image to be processed. Further, by using a hard key of the operation unit 102, a copy job or print job can be instructed. Furthermore, a cancel button is provided as a hard key for restricting job execution.

  The printer unit 103 prints an electrical image signal as a visible image on a recording sheet. As described above, the printer unit 103 includes the electrophotographic laser beam printer engine and the ink jet printer engine.

The image communication unit 104 is a block that transmits and receives data to and from an external device, and is connected to a PC (Personal Computer) via a USB interface so as to be able to communicate with a PC (Personal Computer) via a USB interface. The image forming apparatus receives a print job from a personal computer (not shown) via the image communication unit 104.
The image processing unit 105 performs communication image processing and recording image processing. Here, the recorded image processing by the image processing unit 105 includes a process of converting the resolution of image data in accordance with the recording resolution. The image processing unit 105 performs various types of image processing such as image scaling, smoothing, and density correction, converts the image data into high-definition image data, and outputs the image data to the printer unit 103. The image processing unit 105 converts the resolution of an image received through communication in accordance with the recording performance.

  The memory unit 106 includes a memory device such as a DDR-SDRAM or an HDD, and stores not only image data temporarily but also programs and data executed by the controller unit 101. The imaging unit 107 includes means for inputting information for identifying a user, and means for identifying the user by analyzing the input information.

  FIG. 2 is a block diagram illustrating an example of hardware resources of the image forming apparatus illustrated in FIG. In this example, the image forming apparatus is an example of a multifunction peripheral including the printer unit 103 and the reader unit 411.

  In FIG. 2, a CPU 401 executes software for controlling the entire multi-function peripheral stored in a ROM 402 or a hard disk (HDD) 405, and comprehensively controls each device connected to the system bus 406.

  The RAM 403 functions as a work area for the CPU 401. The HDC 404 is a hard disk controller that controls the HDD 405. A reader I / F 407 and a printer I / F 408 are connected to a reader unit 411 and a printer unit 412, respectively, and control these devices.

  An operation unit I / F 409 is connected to the operation unit 102 and controls display on the operation unit 102 and user input from the operation unit 102. The operation unit 102 includes a switch for operation and a display unit. An image communication unit 104 exchanges data with the host computer via the network 415. Here, a portion surrounded by a broken line in the drawing is referred to as a controller unit 101. The controller unit 101 is a part that controls various devices and interfaces connected to the multifunction peripheral and also controls the operation of the entire multifunction peripheral.

  The reader unit 411 reads an image of a document and outputs image data corresponding to the document image to the printer unit 412 or saves it in a storage device inside the digital multi-function peripheral according to an instruction from the user.

  Furthermore, it is also possible to transmit image data to a host computer connected to the network 415 via the image communication unit (network I / F) 104.

  The printer unit 103 prints the document read by the reader unit 411 and the image data stored in the storage device in the multifunction peripheral body. Further, a print job from a host computer connected to the network 415 is received via the image communication unit (network I / F unit) 104 and printed. Here, a case where the storage device is configured by a hard disk (HDD) 405 is shown.

  The network I / F unit 104 is connected to the network 415, and the controller unit 101 is used for mutual communication with other information devices on the network 415, such as a document management server and an information processing apparatus.

  The operation unit 102 notifies the controller unit 101 of information display or user input from the controller unit 101 by using buttons and a display device, a liquid crystal display screen with touch panel input, or a combination thereof. The imaging unit 107 captures an image of the user's face operated by the operation unit 102. Image data obtained by imaging is input to the controller unit 101, and face recognition processing is performed to identify the user who is operating. When a user is specified, not only the face recognition process is performed, but a password may be input, for example, and the user may be authenticated and specified by the input password.

  In this embodiment, the CPU 401 manages jobs for each user. For example, when executing a copy job in which the document read by the reader unit 411 is printed by the printer unit 103, the CPU 401 uses the above-described user specifying process to specify the user who has instructed execution of the job. Then, the CPU 401 manages which user's job the job held in the HDD 405 is. As a result, when the CPU 401 receives a job cancel instruction later from the user, the CPU 401 can recognize which of the jobs held in the HDD 405 is the user's job instructed to cancel.

  When the job held in the HDD 405 is a copy job, the CPU 401 associates the image data of the document read by the reader unit 411 with the copy settings such as the number of copies received through the operation unit 102 and the print density. Hold.

  The HDD 405 can hold a plurality of jobs, accepts the held jobs, and executes them in the order held in the HDD 405 unless the order needs to be changed.

  FIG. 3 is a flowchart illustrating an example of a data processing procedure in the image forming apparatus according to the present exemplary embodiment. In this example, the user specified by the face recognition process cancels the job. S101 to S108 indicate each step. Each step is realized by the CPU 401 loading a control program stored in the ROM 402 or the HDD 405 into the RAM 403 and executing it.

  When the CPU 401 receives an operation from the user via the operation unit 102, the CPU 401 starts the process illustrated in FIG. First, in step S101, the imaging unit 107 captures an image of the user. Then, face image data including the user's face imaged by the imaging unit 107 is input to the controller unit 101. In step S102, face detection processing, part detection processing, attribute estimation processing, and the like are performed on the input face image data to acquire feature data indicating individual identification features.

  Next, in S103, a process (identification process) is performed for comparing the acquired feature data indicating the characteristics for identifying the individual with the feature data stored in the storage device 302.

  Next, in S104, it is determined whether or not the user is registered in the image forming apparatus from the result of the identification process. Note that a user who uses the image forming apparatus images his / her face in advance with the image capturing unit 107, executes the above-described image processing on the captured image data, and stores the image data in the HDD 405 as feature data indicating the user's characteristics. is doing. Further, instead of the image data captured by the imaging unit 107, image data obtained by capturing the image of the user by a digital camera or the like may be processed.

  If it is determined in S104 that the user is not registered as a result of the face recognition, the process proceeds to S105, where the CPU 401 of the controller unit 101 displays a menu on the operation unit 120, and ends this process. Here, the user operates the job via the menu display. For example, if the user wants to cancel a job, the user displays a list of held jobs, executes menu selection processing, and issues a job cancellation instruction. This process is the same as the conventional process.

  On the other hand, if it is determined in S104 that the user is registered, the process proceeds to S106.

  In step S <b> 106, the CPU 401 determines whether a cancel instruction using the cancel button has been received from the operation unit 102. If the CPU 401 determines that no cancel instruction has been issued, the process advances to step S105, where the CPU 401 displays a menu corresponding to the user's operation on the operation unit 102, and ends this process. For example, when the user's operation is an instruction to start document reading processing by the reader unit 411, the CPU 101 causes the reader unit 411 to start reading a document and causes the operation unit 102 to display a message such as “reading document”. Menu display with The menu display may be provided with a reading stop key, and the CPU 101 may control to stop reading the document when the reading stop key is pressed.

  On the other hand, if the cancel button is pressed in S106, in S107, the CPU 401 determines whether or not the user job specified by the face recognition is held (spooled) in the memory unit 106. The memory unit 106 corresponds to the HDD 405 in the example illustrated in FIG. 2, but may be the RAM 403.

  If the CPU 401 determines that no job is held in the memory unit 106, the process advances to step S <b> 105, and the CPU 401 displays a menu corresponding to the user's operation on the operation unit 102 and ends the process. For example, the CPU 101 displays a message such as “no job” on the operation unit 102 and ends the processing.

  On the other hand, if it is determined in S107 that there is a job in the memory unit 106, in S108, the CPU 401 cancels the job and ends the process. If only the job of the user who has instructed cancellation is held in the HDD 405, the CPU 401 cancels the held job. On the other hand, when a plurality of user jobs are input, the CPU 401 specifies the job of the user specified in S103 among the jobs held in the HDD 405, and cancels only the specified job. As a result, the user who gives the cancellation instruction can quickly cancel only his / her job without canceling the other user's job.

  With the control as described above, when the user submits the job entered in the memory unit 106 and specifies that the user of the image forming apparatus is a registered user, the user confirms the selection of the cancel button. Can cancel a spooled job. Therefore, the user can easily specify the job to be canceled.

  For example, if a user wants to cancel a job that has been submitted to the image forming apparatus and then cancels the submitted job, the paper that is discharged halfway is wasted by executing the job quickly. Can be prevented. When copying is executed, the user causes the reader unit 411 to read the document. The CPU 401 causes the HDD 405 to hold the read original image data as a job together with the copy settings received via the operation unit 102. At this time, the user may want to correct a part of the read document. In such a case, if the job list is displayed, a job is selected, and a job cancel instruction is included, it takes time until the job is canceled. For this reason, the execution of the job is started, and the paper printed halfway may be wasted. In the case of this embodiment, since the user is specified by the imaging unit 107, the user can cancel the job to be canceled simply by pressing the cancel button.

  The job to be canceled is not limited to a copy job, but may be a print job for printing image data received from an external computer based on print settings for the image data. Further, the canceled job may be a data transmission job for transmitting image data of a document read by the reader unit 411 to the outside via the image communication unit 104.

[Second Embodiment]
In the above-described embodiment, the case where a job submitted by the user is canceled has been described. However, if the user mistakenly performs a cancel operation, the user must restart the job from the beginning. For this reason, the job execution may be temporarily stopped (suspended) and the user's job list may be displayed instead of stopping and stopping the job execution. In the second embodiment, control for temporarily stopping (interrupting) execution of a job and displaying a user's job list will be described.

  Note that the hardware configuration of the image forming apparatus in the second embodiment is the same as that in the first embodiment.

  FIG. 4 is a flowchart illustrating an example of a data processing procedure in the image forming apparatus according to the present exemplary embodiment. In this example, the user job specified by the imaging unit 107 is interrupted. Specifically, when the cancel button is pressed after the user is specified, the interruption of the specified user job is determined. It is an example of job processing. In addition, S201-S209 show each step. Each step is realized by the CPU 401 loading a control program stored in the ROM 402 or the HDD 405 into the RAM 403 and executing it. Further, since the processes from S201 to S205 are the same as the processes from S101 to S106 shown in FIG. 3, the subsequent processes will be described.

  When the CPU 401 of the controller unit 101 determines that the cancel button has been pressed in S206, the CPU 401 determines whether or not the user job specified by the face recognition exists in the memory unit 106 in S207.

  If the CPU 401 determines that there is no job in the memory unit 106, the CPU 401 of the controller unit 101 proceeds to step S205, displays a menu on the operation unit 102, and ends this process. The processing after the menu display is the same as in the first embodiment.

On the other hand, when the CPU 401 determines in step S207 that the user job specified in S203 exists in the memory unit 106, the CPU 401 of the controller unit 101 proceeds to S208. In step S <b> 208, the CPU 401 interrupts the specified user job. At this time, if the specified user's job is being executed, the CPU 401 suspends the execution of the job. If the specified user's job is waiting to be executed, the CPU 401 executes the job in the order of execution. Also, control is performed so that the job is not executed. In step S209, the CPU 401 displays the interrupted job list on the operation unit 102, and ends the process. The user gives an instruction to cancel the job, resume the job, change the job setting, or the like via the job list. As described above, in this process, the job execution is limited by interrupting the job.
Here, the CPU 401 may control the job of the specified user among the jobs held in the HDD 405 to be interrupted and continue to execute the jobs of other users. Thereby, productivity can be maintained.

  In the present embodiment, even if the user performs a cancel operation by mistake, the job is only temporarily interrupted. For this reason, even when the user performs a cancel operation by mistake, it is possible to select a job from the job list and appropriately select resumption or cancellation of the job. By controlling as described above, the job can be interrupted quickly, and it is possible to prevent the input job from being executed halfway and printing paper from being wasted. Further, the user can perform an operation desired by the user by operating the interrupted job after interrupting the job. The desired operation includes, for example, canceling a job, resuming a job, changing a setting for the number of copies of a job, and the like.

[Third Embodiment]
In the second embodiment, a case has been described in which execution of a job submitted by the specified user is interrupted when the cancel button is selected after the user is specified. In this embodiment, control that separates the job cancellation process and the job interruption process may be executed in accordance with the number of jobs held in the memory unit 106. The embodiment will be described below.

  FIG. 5 is a flowchart illustrating an example of a data processing procedure in the image forming apparatus according to the present exemplary embodiment. In this example, when the specified user presses the cancel button, if there is a single job for the specified user, the cancellation is determined, and if there are a plurality of jobs, the interruption is determined. In addition, S301-S311 show each step. Each step is realized by the CPU 401 loading a control program stored in the ROM 402 or the HDD 405 into the RAM 403 and executing it. Moreover, since the process from S301 to S306 is the same as the process from S101 to S106 shown in FIG. 3, the subsequent process will be described.

  If the CPU 401 determines that the cancel button has been pressed in S306, the CPU 401 determines whether or not the user job specified by the face recognition is held in the memory unit 106 in S307.

  If the CPU 401 determines that the user job specified in the memory unit 106 does not exist, the process advances to step S305, a menu is displayed on the operation unit 102, and the process ends. Since the processing after the menu display is the same as that in the first embodiment, detailed description thereof is omitted.

  On the other hand, if the CPU 401 determines in step S307 that the specified user's job exists in the memory unit 106, in S308, it is determined whether a plurality of jobs submitted by the user are stored in the memory unit 106. To do. If it is determined that a plurality of jobs submitted by the user are held in the memory unit 106, the CPU 401 interrupts the specified user's jobs at once in S310. The interruption method is the same as that in the second embodiment, and the CPU 401 interrupts execution of the job being executed, and does not execute the job waiting for execution in the execution order, but puts it in a state of waiting for execution. In step S <b> 311, the CPU 401 displays a job list related to the specified user and interrupted in step S <b> 310 on the operation unit 102, and ends the process. This restricts execution of the job. Here, the CPU 401 may control the job of the specified user among the jobs held in the HDD 405 to be interrupted and continue to execute the jobs of other users. Thereby, productivity can be maintained.

  On the other hand, if the CPU 401 determines in S308 that the number of jobs submitted by the user to the memory unit 106 is singular (a single job is held), the process proceeds to S309. In step S <b> 309, the CPU 401 cancels the job related to the specified user, and ends this process. This restricts execution of the job.

  According to the present embodiment, job cancellation processing and job suspension processing are adapted to the number of jobs submitted to the memory unit 106 depending on whether the number of jobs already submitted by the user is single or plural. And can be separated.

  As a result, the user can easily specify the job to be canceled.

  In the present embodiment, an example in which image data of a user's face is used as a means for specifying a user has been described. However, other than the above-described password processing, other biometric authentication means such as a retina, vein, fingerprint, etc. It is good also as a structure using the process by biometric authentication. When processing using biometric authentication is used, biometric information reading means corresponding to each biometric information is provided in the image forming apparatus. For example, when performing biometric authentication using a vein, a vein sensor is provided in the image forming apparatus, and the user is identified by comparing the vein of the user read by the vein sensor with the vein data of each user registered in the HDD 405 in advance. To do. When biometric authentication is performed using fingerprints, a fingerprint sensor is provided in the image forming apparatus, and the user's fingerprint read by the fingerprint sensor is compared with the fingerprint data for each user registered in the HDD 405 in advance. Identify.

  Furthermore, in the above-described embodiment, the job is an example of processing a copy job, but it may be a print job, a data transmission job for performing facsimile communication, or the like.

  The configuration of a data processing program that can be read by the image forming apparatus according to the present invention will be described below with reference to the memory map shown in FIG.

  FIG. 6 is a diagram illustrating a memory map of a storage medium storing various data processing programs that can be read by the image forming apparatus according to the present invention.

  Although not particularly illustrated, information for managing a program group stored in the storage medium, for example, version information, creator, etc. is also stored, and information depending on the OS on the program reading side, for example, a program is identified and displayed. Icons may also be stored.

  Further, data depending on various programs is also managed in the directory. In addition, a program for installing various programs in the computer, and a program for decompressing when the program to be installed is compressed may be stored.

  The functions in this embodiment may be performed by a host computer by a program installed from the outside. In this case, the present invention is applied even when an information group including a program is supplied to the output device from a storage medium such as a CD-ROM, a flash memory, or an FD, or from an external storage medium via a network. Is.

  As described above, the storage medium storing the software program code for realizing the functions of the above-described embodiments is supplied to the system or apparatus. It goes without saying that the object of the present invention can also be achieved by the computer (or CPU or MPU) of the system or apparatus reading and executing the program code stored in the storage medium.

  In this case, the program code itself read from the storage medium realizes the novel function of the present invention, and the storage medium storing the program code constitutes the present invention.

  Therefore, as long as it has the function of the program, the form of the program such as an object code, a program executed by an interpreter, or script data supplied to the OS is not limited.

  As a storage medium for supplying the program, for example, a flexible disk, hard disk, optical disk, magneto-optical disk, MO, CD-ROM, CD-R, CD-RW, magnetic tape, nonvolatile memory card, ROM, DVD, etc. Can be used.

  In this case, the program code itself read from the storage medium realizes the functions of the above-described embodiments, and the computer-readable storage medium storing the program code constitutes the present invention.

  As another program supply method, a browser on a client computer is used to connect to an Internet home page. Then, the computer program itself of the present invention or a compressed file including an automatic installation function can be downloaded from the homepage by downloading it to a recording medium such as a hard disk. It can also be realized by dividing the program code constituting the program of the present invention into a plurality of files and downloading each file from a different homepage. That is, a WWW server, an ftp server, and the like that allow a plurality of users to download a program file for realizing the functional processing of the present invention on a computer are also included in the claims of the present invention.

  In addition, the program of the present invention is encrypted, stored in a storage medium such as a CD-ROM, distributed to users, and key information for decryption is downloaded from a homepage via the Internet to users who have cleared predetermined conditions. Let It is also possible to execute the encrypted program by using the key information and install the program on a computer.

  In addition, the functions of the above-described embodiments are not only realized by executing the program code read by the computer. For example, based on an instruction of the program code, an OS (operating system) running on the computer performs part or all of the actual processing. Needless to say, the process includes the case where the functions of the above-described embodiments are realized.

  Further, the program code read from the storage medium is written in a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer. After that, based on the instruction of the program code, the CPU of the function expansion board or function expansion unit performs part or all of the actual processing, and the processing of the above-described embodiment is realized by the processing. Needless to say.

  The present invention is not limited to the above embodiment, and various modifications (including organic combinations of the embodiments) are possible based on the spirit of the present invention, and these are excluded from the scope of the present invention. is not.

  Although various examples and embodiments of the present invention have been shown and described, those skilled in the art will not limit the spirit and scope of the present invention to the specific description in the present specification.

1 is a block diagram illustrating a hardware configuration of an image forming apparatus according to an exemplary embodiment. FIG. 2 is a block diagram illustrating an example of hardware resources of the image forming apparatus illustrated in FIG. 1. 6 is a flowchart illustrating an example of a data processing procedure in the image forming apparatus according to the present exemplary embodiment. 6 is a flowchart illustrating an example of a data processing procedure in the image forming apparatus according to the present exemplary embodiment. 6 is a flowchart illustrating an example of a data processing procedure in the image forming apparatus according to the present exemplary embodiment. It is a figure explaining the memory map of the storage medium which stores the various data processing program which can be read with the image forming apparatus which concerns on this invention.

DESCRIPTION OF SYMBOLS 101 Controller part 102 Operation part 103 Printer part 104 Image communication part 105 Image processing part 106 Memory part 107 Imaging part

Claims (9)

An image forming apparatus that processes a received job,
Holding means for holding the received job;
Identifying means for identifying a user who has instructed execution of the job;
Instruction means for giving an instruction to restrict execution of the job;
Determining means for determining whether a job by a user specified by the specifying means is held in the holding means;
Control means for restricting execution of a job by the specified user in accordance with an instruction from the instruction means when it is determined by the determination means that a job by a user specified by the specifying means is held in the holding means; ,
An image forming apparatus comprising: When it is determined by the determining unit that the job specified by the specifying unit is held by the holding unit, the execution of the job is interrupted by an instruction from the instruction unit and a list of interrupted jobs Control means for displaying
The image forming apparatus according to claim 1, further comprising: Determining means for determining whether or not a plurality of jobs by the user specified by the specifying means are held in the holding means;
When it is determined by the determining means that a plurality of jobs by the user specified by the specifying means are held, the execution of the job is interrupted by an instruction from the instruction means and a list of interrupted jobs is displayed. ,
A control unit for stopping execution of the job in response to an instruction from the instruction unit when it is determined by the determination unit that a single job specified by the specifying unit is held in the holding unit;
The image forming apparatus according to claim 1, further comprising:   The said specifying means is provided with an imaging means, The user's face image data imaged by the said imaging means is compared with the user's feature data registered beforehand, The said user is specified, It is characterized by the above-mentioned. The image forming apparatus according to any one of 1 to 3. A job processing method in an image forming apparatus for processing a received job,
A holding step of holding the received job in a holding unit;
A specifying step of specifying a user who has instructed execution of the job;
An instruction step for giving an instruction to limit the execution of the job;
A determination step of determining whether a job by a user specified in the specifying step is held in the holding unit;
A control step of restricting execution of a job by the specified user by an instruction in the instruction step when it is determined by the determination step that a job by the user specified in the specifying step is held in the holding unit; ,
A job processing method. When it is determined by the determining step that the job specified by the user specified in the specifying step is held in the holding unit, the execution of the job is interrupted by the instruction in the instruction step, and the list of interrupted jobs A control step for displaying
6. The job processing method according to claim 5, further comprising: A determination step of determining whether or not a plurality of jobs by the user specified in the specifying step are held in the holding unit;
If it is determined in the determination step that a plurality of jobs by the user specified in the specification step are held, the execution of the job is interrupted by an instruction in the instruction step and a list of interrupted jobs is displayed. ,
A control step of stopping the execution of the job in response to an instruction by the instruction step when it is determined by the determination step that a single job specified by the specifying step is held by the holding unit;
6. The job processing method according to claim 5, further comprising:   The identification step includes an imaging step, wherein the user is identified by comparing face image data of the user imaged in the imaging step with user feature data registered in advance. The job processing method according to any one of 5 to 7.   A program that causes a computer to execute the job processing method according to any one of claims 5 to 8.

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