JP2009143141A - Image forming device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image forming device, with which the relieving work of an abnormal state can be surely executed by a user. <P>SOLUTION: This image forming device 1 with a displaying part 4b is equipped with a detecting part 61 for detecting the abnormal state of this device 1, a photographing part 62 for photographing the image of the outbroken spot of the abnormal state in the device 1 and a displayingly controlling part 8 for displaying the image of the outbroken spot of the abnormal state photographed by the photographing part 62 to the displaying part 4b when the abnormal state is detected by the detecting part 61. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an image forming apparatus.

  In a conventional image forming apparatus such as a copying machine, a printer, a facsimile machine, or a multifunction machine, when an abnormal state occurs in the apparatus (for example, a jam of a sheet when a sheet such as a sheet is conveyed), a detection unit ( For example, an abnormal state is detected by a sheet detection sensor, a warning such as a message is issued, the occurrence of the abnormal state is notified to the user, and a release operation for canceling the abnormal state is prompted.

  In addition, based on the abnormal state detected by the detection unit, operation information corresponding to the abnormal state (for example, information for assisting in performing the operation for canceling the abnormal state) may be displayed on the display unit of the apparatus. .

For example, in Patent Document 1 below, a plurality of cameras arranged at intervals in a paper conveyance path from a cassette to a paper discharge tray, a state detection unit that detects a paper jam, and a state detection unit When a jam is detected, an image acquisition unit that acquires a plurality of images captured by a plurality of cameras in association with identification information of each camera, and a display process that displays the plurality of images acquired by the image acquisition unit And a plurality of images displayed by the display processing unit are acquired in association with the identification information of the camera that captured the image, and the camera is arranged based on the identification information. A printer information device is disclosed that includes a release information acquisition unit that acquires release information of a jam at a location, and outputs the release information acquired by the release information acquisition unit. In this printer device, by allowing the user to select an image on which paper is captured from a plurality of camera images, it is possible to accurately identify the jam occurrence location, and output the release information corresponding to the jam occurrence location. By doing so, it is possible to provide the user with appropriate guidance for releasing the jam.
JP 2006-305820 A

  However, in the conventional image forming apparatus, because the operation of canceling the abnormal state by the user is not sufficient, the detection unit that detects the abnormal state has canceled the detection (detected that the abnormal state has been canceled), Actually, the abnormal state may not be released. As described above, when the image forming operation is performed even though the abnormal state is not sufficiently released, there may be a problem in the image forming apparatus.

  This will be described below by taking a paper jam as an example of an abnormal state. For example, when a paper jam occurs in a sheet conveyance path or an image forming unit provided in the image forming apparatus, the jam is provided in the apparatus. Jam occurrence location is detected by multiple sheet detection sensors. At this time, the jam release information corresponding to the jam occurrence location is displayed on a display unit such as an operation panel provided in the apparatus so that the user can perform the jam release operation.

  Then, the user performs the paper jam clearing operation. During this jam clearing operation, the user forcibly pulls out the paper, and as a result, the paper is damaged and a piece of paper that does not catch on the sheet detection sensor may remain. is there. In such a case, the jam is released on the surface and image formation is possible, but when the image is actually formed, the paper is caught by the sheet piece remaining in the sheet conveyance path or the image forming unit, and the jam occurs again. Sometimes.

  In this regard, in the configuration of the printer device described in Patent Document 1, although the user can specify a jam occurrence location by selecting an image in which paper is captured from a plurality of images from the camera, The above problem has not been solved because it is only for the user to know the location of the jam occurrence depending on whether or not the paper is reflected.

  SUMMARY An advantage of some aspects of the invention is that it provides an image forming apparatus that allows a user to reliably perform an abnormal state canceling operation.

In order to solve the above-described problems, the present invention provides image forming apparatuses according to the following first and second aspects.
(1) Image Forming Apparatus According to First Mode An image forming apparatus having a display unit, a detection unit that detects an abnormal state of the device, and a photographing unit that captures a video of the location where the abnormal state occurs in the device. And an image forming unit comprising: a display control unit configured to display, on the display unit, an image of the location where the abnormal state has been photographed by the photographing unit when the abnormal state is detected by the detection unit. apparatus.

  According to the image forming apparatus of the first aspect of the present invention, when the display control unit detects the abnormal state by the detection unit, an image of the occurrence point of the abnormal state captured by the imaging unit is displayed. Since it is displayed on the display unit, after the detection by the detection unit, it is possible to make the user confirm the occurrence location with the image of the display unit, and whether or not the abnormal state release operation can be surely performed for the user. Can be easily recognized. Therefore, it is possible to cause the user to reliably perform the operation for canceling the abnormal state.

In addition, it is possible to make the user confirm on the display section whether or not the canceling operation can be performed reliably even during the canceling operation of the abnormal state, thereby allowing the user to reliably perform the canceling operation of the abnormal state. In addition, it is possible to reduce as much as possible the abnormal state after the detection is canceled by the detection unit, and it is possible to eliminate the work of canceling the abnormal information after the detection is canceled. it can.
(2) Image Forming Apparatus of Second Mode An image forming apparatus having a display unit, the detection unit detecting an abnormal state of the device, and the display unit based on the abnormal state detected by the detection unit An image forming apparatus including a display control unit that displays operation information corresponding to the operation for canceling the abnormal state, and a display unit that includes a photographing unit that captures a video of the location where the abnormal state occurs in the device. The image forming apparatus characterized in that when the operation information can be displayed on the display unit, the display unit displays an image of the location where the abnormal state has been photographed by the photographing unit.

  According to the image forming apparatus of the second aspect of the present invention, the display control unit displays the operation information on the display unit, so that a user's degree of understanding of the operation information can be improved. It is possible to reliably perform the operation for canceling the abnormal state. Further, when the display control unit can display the operation information on the display unit, the display unit displays an image of the occurrence position of the abnormal state imaged by the imaging unit. When the operation information can be displayed, it is possible to make the user confirm the occurrence location with the video on the display unit, thereby easily recognizing whether or not the abnormal state can be reliably released to the user. Can be made. Therefore, it is possible to cause the user to reliably perform the operation for canceling the abnormal state.

  In addition, it is possible to make the user confirm on the display section whether or not the canceling operation can be performed reliably even during the canceling operation of the abnormal state, thereby allowing the user to reliably perform the canceling operation of the abnormal state. In addition, it is possible to reduce the abnormal state after the detection is canceled by the detection unit as much as possible, and it is possible to eliminate the work of canceling the abnormal information after the detection is canceled. it can.

  In the image forming apparatus according to the second aspect of the present invention, the display control unit simultaneously performs the operation information and the video imaged by the imaging unit (for example, simultaneously by dividing the screen to display one screen). It is preferable to display on the display unit. The display control unit can cause the display unit to switch between an operation information screen for displaying the operation information and a divided screen for simultaneously displaying the operation information and the video from the photographing unit. In this case, the operation information screen may be displayed with priority.

  The display control unit may cause the display unit to simultaneously display the operation information, the video captured by the imaging unit, and a message. Examples of the message include character information such as an explanatory note for performing an operation for canceling an abnormal state such as a sheet jam.

  In addition, the “occurrence point of the abnormal state” in the present invention is a concept including the occurrence point that is the main cause of the abnormal state and its peripheral part, and only the occurrence point that is the main cause of the abnormal state and its peripheral part. In addition, the concept includes an occurrence point of an abnormal condition that occurs secondary to the abnormal condition and its peripheral part.

  In the image forming apparatuses according to the first and second aspects of the present invention, the abnormal state of the apparatus can typically be exemplified by a jam of a sheet such as a conveyed sheet, and a detection unit that detects the abnormal state As a typical example, a sheet detection sensor that detects the presence or absence of a conveyed sheet can be exemplified.

In the image forming apparatus according to the first and second aspects of the present invention, as a specific aspect in which the image capturing unit captures an image of the location where the abnormal state occurs in the apparatus, the following (a) and (b) The aspect of can be illustrated.
(A) A mode in which the imaging unit captures an image of a location where the abnormal state occurs in a sheet conveyance path provided in the apparatus. In this aspect, it is preferable that the imaging unit captures an image on one side in the depth direction of the apparatus perpendicular to the sheet conveyance direction of the sheet conveyance path at the occurrence position of the abnormal state.
(B) A mode in which the imaging unit captures an image of the location where the abnormal state occurs in the image forming unit provided in the apparatus.

  In the image forming apparatuses according to the first and second aspects of the present invention, a typical example of the photographing unit is a camera, and it is particularly preferable to use a fiber camera.

  The image forming apparatus according to the first and second aspects of the present invention may further include an illumination unit that assists photographing by the photographing unit.

  In the image forming apparatus according to the first and second aspects of the present invention, the photographing unit includes a plurality of photographing units that respectively photograph a plurality of images in the abnormal state in the device, and the display control The unit can exemplify a mode in which a plurality of video images captured by the plurality of imaging units are displayed on the display unit simultaneously (for example, simultaneously by screen division). Note that the display control unit can switchably display a plurality of display screens each including one video or several videos among the videos from the plurality of imaging units on the display unit.

  In the image forming apparatus according to the second aspect of the present invention, in the case where the photographing unit includes a plurality of photographing units that respectively photograph a plurality of images in the abnormal state in the device, the display control unit includes: The operation information corresponding to the occurrence location of the abnormal state of the selected image is displayed on the display unit in a selectable manner at the same time (for example, simultaneously by screen division). May be displayed on the display unit. In this case, the display control unit displays an operation information screen that displays operation information corresponding to the location where the abnormal state of the selected video is generated, and operation information corresponding to the selected video and the location where the abnormal state is generated Can be displayed on the display unit in a switchable manner. In this case, the operation information screen may be displayed with priority.

  As described above, according to the present invention, it is possible to provide an image forming apparatus that allows a user to reliably perform an abnormal state canceling operation.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In addition, the following embodiment is an example which actualized this invention, Comprising: The thing of the character which limits the technical scope of this invention is not.

  FIG. 1 is a block diagram showing a schematic configuration of a digital multi-function peripheral which is an embodiment of an image forming apparatus according to the present invention.

[Overall configuration of digital multifunction device]
1 is a copy mode in which an image of a document is read and printed on a sheet (here, paper) such as recording paper, and a printer mode in which an image is received from a terminal device PC,. , A scanner mode for reading an image of a document and transmitting it to a terminal device PC,. The facsimile mode for printing can be selectively executed.

  The digital multifunction device 1 includes an image reading unit 2, an operation unit 4, an image forming unit 6, a device control unit 8, a communication unit 10, a storage device (here, a hard disk (HD) device) 12, and a management unit 14. .

  The image reading unit 2 includes an image sensor (CCD in this case) 2 a, a document detection sensor 2 b, and a signal generation circuit 2 c, reads an image of the document as image data, and outputs the read image data to the image forming unit 6. It is supposed to be. The document detection sensor 2b detects the presence or absence of a document set at a reading position such as a document table (not shown) or an automatic document feeder. When the original is detected by the original detection sensor 2b and the current reading is instructed, the CCD 2a reads an image of the original optically scanned in synchronization with the signal from the signal generation circuit 2c, and shows this image. Image data is output.

  FIG. 2 is a plan view showing the operation unit 4 of the digital multifunction peripheral 1 shown in FIG. As shown in FIG. 2, the operation unit 4 (here, the operation panel) is provided with an input unit 4a and a display unit 4b. The input unit 4a has a group of keys such as a function setting key 41, a system setting key 42, a ten key 43, a clear key 44, and a start key 45 for setting functions such as a copy mode, a printer mode, a scanner mode, and a facsimile mode. is doing. In addition, the display unit 4b is configured to be selectively input from the screen by an input operation by the user to the display area displayed on the screen. Here, the display unit 4b is a touch panel display device. The input unit 4a includes a transparent touch panel (not shown) provided on the screen of the display unit 4b. The input unit 4a can be selectively input in a display area such as the key 46 displayed on the display unit 4b by an input operation of the touch panel. Input instructions by operating these keys are notified to the device control unit 8. In addition, the display content of the display part 4b in FIG. 2 is a thing of an initial state.

  Here, the image forming unit 6 processes image data to form an image on a sheet. Specifically, the image forming unit 6 includes a memory 6a that stores image data, and a laser scanning unit (LSU) that writes an electrostatic latent image based on the image data on an image carrier (photosensitive member) 3 by laser light. And a printing unit 6b. The image forming unit 6 temporarily stores the image data from the image reading unit 2 and the external devices PC,..., FAX,... In the HD device 12 via the memory 6a, and the image data stored in the HD device 12 is again stored. The data is transferred to the printing unit 6b via the memory 6a. In the printing unit 6b, recording by an electrophotographic method is performed. That is, when the image data is input to the LSU, the printing unit 6b scans the surface of the uniformly charged photoconductor 3 with the LSU laser beam to form an electrostatic latent image. The electrostatic latent image is developed with toner to be visualized, and the toner image visualized on the photosensitive member 3 is transferred from the photosensitive member 3 to a sheet, and then fixed by heating and pressing. ing.

  The digital multi-function peripheral 1 further includes a paper feed tray 24 and a manual feed tray 25, a sheet conveyance path 30, and a discharge tray 23. The paper feed tray 24 and the manual feed tray 25 are configured to supply paper to the sheet conveyance path 30. The sheet conveyance path 30 conveys the paper supplied from the paper feed tray 24 or the manual feed tray 25 to the photosensitive member 3 of the image forming unit 6 (specifically, a transfer portion with the photosensitive member 3), and also the image forming unit 6 The paper on which the image has been formed is discharged to the discharge tray 23 as a copy P. The discharge tray 23 accommodates the paper discharged in the sheet conveyance path 30.

  The device control unit 8 includes a processor such as a CPU and a storage unit such as a ROM and a RAM. Here, the device control unit 8 performs integrated control of the digital multi-function peripheral 1, and controls the operation of each function such as a copying function, a scanner function, a facsimile function, and a printer function provided in the multi-function peripheral 1. It has become.

  Specifically, the device control unit 8 monitors an input instruction by operating an input unit (for example, a tablet, a key group, etc.) 4a of the operation panel 4, and also inputs an input instruction from the external terminal device PC,. In response to these input instructions, one of various modes is appropriately executed to control each unit such as the image reading unit 2, the image forming unit 6, and the communication unit 10. Furthermore, when executing each mode, the device control unit 8 accurately displays and displays display information such as information on the state of the digital multifunction peripheral 1 and information to be notified to the user on the display unit 4b of the operation panel 4. It has become. And the apparatus control part 8 acts as a display control part so that it may mention later.

  The communication unit 10 is connected to a plurality of terminal devices PC such as a personal computer (PC) via a network NW. The communication unit 10 is connected to the Internet IN via the network NW or directly (in the example of FIG. 1, to the Internet IN via the network NW). A plurality of terminal devices PC,... And an Internet facsimile machine FAX,. The communication unit 10 transmits / receives image data from the terminal apparatuses PC,... And the facsimile apparatus FAX,... Via the network NW and the Internet IN. The communication unit 10 has a facsimile modem 10a connected to the telephone line network TW. A plurality of facsimile machines FAX,... Are connected to the telephone line network TW. The communication unit 10 transmits / receives image data from the facsimile machines FAX,... Via the telephone line network TW.

  The HD device 12 is for temporarily storing image data. The management unit 14 manages information regarding each unit controlled by the device control unit 8. The device control unit 8 can control the operation of the entire digital multi-function peripheral 1 based on the information managed by the management unit 14.

  The digital multi-function peripheral 1 further includes an image processing unit 20 and an erasing unit 22. The image processing unit 20 performs various kinds of image processing on the image data in the memory 6a in a timely manner. The erasure unit 22 is for executing erasure of data in the HD device 12.

  In the digital multi-function peripheral 1 described above, when a copying mode that operates as a copying machine is executed, the image reading unit 2 reads an image of a document as image data. This image data is temporarily stored in the volatile memory 6a, subjected to encoding processing, and then stored in the HD device 12. When there are a plurality of documents, reading of the number of documents is repeatedly performed, and respective image data indicating images of the plurality of documents are stored in the HD device 12.

  Thereafter, according to the processing content instructed from the operation panel 4, the image data stored in the HD device 12 is read at an appropriate timing and subjected to a decoding process, and then stored in the memory 6a. Then, the image data is transferred from the memory 6a to the printing unit 6b in accordance with the LSU writing timing of the printing unit 6b in the image forming unit 6. Similarly, when there are a plurality of originals, the image data for the number of sheets is sequentially transferred from the HD device 12 to the memory 6a according to the processing content, and the image data is repeatedly printed in accordance with the LSU writing timing of the printing unit 6b. The data is sequentially transferred to the unit 6b. Then, after an image corresponding to the image data is formed on the paper conveyed from the paper feed tray 24 or the manual feed tray 25 through the sheet conveyance path 30 by the printing unit 6 b, the paper is output as the copy P to the discharge tray 23. To be discharged.

  When the printer mode that operates as a printer is executed, the communication unit 10 receives image data from the external terminal devices PC,. Then, the image data received by the communication unit 10 is transferred to the memory 6a in units of pages via the device control unit 8 and temporarily stored.

  Thereafter, as in the case of the copy mode, the image data is encoded and stored in the HD device 12, and thereafter read out from the HD device 12 and subjected to the decoding process before being stored in the memory 6a. And is further transferred to the printing unit 6b in accordance with the LSU writing timing of the printing unit 6b. Then, an image corresponding to the image data is formed on the paper conveyed in the sheet conveyance path 30 by the printing unit 6 b, and the paper is discharged as a copy P to the discharge tray 23.

  When a scanner mode that operates as a scanner is executed, the image reading unit 2 reads an image of a document, and transmits image data indicating the image to the communication unit 10 via the memory 6 a and the HD device 12. The image data is transmitted from the communication unit 10 via the device control unit 8 to a terminal device at a desired destination via the network NW or the Internet IN.

  Also in this case, the image data is transferred to the memory 6a, temporarily stored, subjected to encoding processing, stored in the HD device 12, and thereafter read out from the HD device 12 and subjected to decoding processing. And then transferred to the memory 6a. Then, the communication unit 10 establishes a communication line on the network with the destination terminal device instructed by the operation of the operation panel 4, and then receives the image data from the memory 6a and transmits the image data to the destination terminal device. .

  Further, when a facsimile mode that operates as a facsimile apparatus is executed, an image of a document is read by the image reading unit 2, and image data indicating the image is transmitted via the memory 6 a, the HD device 12, and the device control unit 8. Transmit to the communication unit 10.

  The communication unit 10 establishes a communication line on the telephone line with the destination facsimile apparatus FAX,... Designated by the operation of the operation panel 4, and then receives the image data from the memory 6a and inputs it to the facsimile modem 10a. The image data is encoded by the facsimile modem 10a and then transmitted to the destination facsimile apparatus FAX,.

  On the other hand, when the communication unit 10 receives an incoming call, it establishes a communication line on the telephone line with the calling facsimile machine FAX,... And receives image data from the facsimile machine FAX,. The image data is decrypted by the facsimile modem 10a, and the image data is transferred to the memory 6a via the device control unit 8 and stored. This image data is stored in the HD device 12 after being encoded, read out from the HD device 12 and then decoded, and then transferred to the memory 6a. The data is transferred to the printing unit 6b in accordance with the writing timing of the LSU. Then, an image corresponding to the image data is formed on the paper conveyed in the sheet conveyance path 30 by the printing unit 6 b, and the paper is discharged as a copy P to the discharge tray 23.

  In the digital multi-function peripheral 1 shown in FIG. 1, the HD device 12 is provided as a storage unit for temporarily storing image data. However, the present invention is not limited to this, and the nonvolatile memory can store and store image data. The same operation can be performed even with a memory, a memory with a backup function, and other storage units and recording media using a magnetic storage medium.

[Description of Features of the Present Invention]
The digital multifunction peripheral 1 according to the embodiment of the present invention includes a display unit 4b, a detection unit 61, a photographing unit 62, and a device control unit 8 that functions as a display control unit.

  The detecting unit 61 detects an abnormal state of the multifunction device 1 (here, a paper jam, hereinafter simply referred to as a jam). Here, the detection unit 61 is a sheet detection sensor that detects the presence or absence of a sheet conveyed in the sheet conveyance path 30. In the example of FIG. 1, a plurality of sheet detection sensors 61 are arranged on the sheet conveyance path 70. Here, the photographing unit 62 is a camera. The camera 62 captures an image of a jam occurrence location in the multifunction machine 1.

  In addition, the device control unit 8 is configured to acquire a video from the camera 62 and display the video on the display unit 4b at an operation timing described later.

[First Embodiment]
In the digital multi-function peripheral 1 of the first embodiment, the device control unit 8 is configured to display on the display unit 4b an image of a jam occurrence location photographed by the camera 62 when a jam is detected by the sheet detection sensor 61. Has been. The device control unit 8 may be configured to end the display of the image of the jam occurrence location on the display unit 4b after the detection by the sheet detection sensor 61 is canceled, or after the detection is canceled by the sheet detection sensor 61. Further, the display unit 4b may be configured to display an image of a jam occurrence location. Further, the device control unit 8 may be configured to cause the display unit 4 b to display an image of a jam occurrence location photographed by the camera 62 after at least jam detection cancellation by the sheet detection sensor 61.

  In the digital multifunction peripheral 1 according to the first embodiment, when a paper jam occurs, the sheet detection sensor 61 detects the jam. At this time, for example, when a paper jam occurs at a plurality of locations such as the sheet conveyance path 30 and the image forming unit 6, the plurality of sheet detection sensors 61,. As a result, a jam occurrence location is specified, and a camera image of the jam occurrence location is displayed on the display unit 4b to allow the user to perform a jam release operation.

  Then, when the user performs a paper jam release operation, the jam detection of the sheet detection sensor 61 is released. During this jam clearing operation, the user forcibly pulls out the paper, and as a result, even if the paper is damaged and a piece of paper remaining on the sheet detection sensor 61 remains, the user can check the display unit 4b. The sheet piece can be easily found. Note that the camera image of the jam occurrence location may be continuously displayed on the display unit 4b thereafter.

  As described above, according to the digital multi-function peripheral 1 according to the first embodiment, when a jam is detected by the sheet detection sensor 61, an image of a jam occurrence location photographed by the camera 62 (for example, the point in time during the jam release operation) Image) is displayed on the display unit 4b, so that the user can confirm the jam occurrence location with the image on the display unit 4b after detection by the sheet detection sensor 61, and the user can reliably perform the jam clearing operation. It is possible to easily recognize whether or not the paper piece has been left, and even if a paper piece remains during the jam clearing operation, the paper piece can be removed. Accordingly, it is possible to cause the user to reliably perform the jam clearing operation.

  Further, it is possible to make the user confirm on the display unit 4b whether or not the release work is being performed reliably even during the jam release work. Therefore, it is possible to effectively prevent the generation of a sheet piece that may still remain after the detection of the jam by the sheet detection sensor 61 is cancelled.

[Second Embodiment]
In the digital multi-function peripheral 1 of the second embodiment, the device control unit 8 displays operation information for supporting the jam clearing operation on the display unit 4b according to the type of jam detected by the sheet detection sensor 61. It is configured to let you.

  Then, the device control unit 8 displays the image of the jam occurrence location photographed by the camera 62 when the sheet detection sensor 61 can detect the jam and display the operation information on the display unit 4b. It is comprised so that it may display on the part 4b. The device control unit 8 may be configured to end the display of the image of the jam occurrence location on the display unit 4b after the detection by the sheet detection sensor 61 is canceled, or after the detection is canceled by the sheet detection sensor 61. Further, the display unit 4b may be configured to display an image of a jam occurrence location. Further, the device control unit 8 may be configured to cause the display unit 4 b to display an image of a jam occurrence location photographed by the camera 62 after at least jam detection cancellation by the sheet detection sensor 61.

  Here, the operation information for supporting the jam clearing operation includes the procedure information indicating a series of work procedures for canceling the abnormal state such as removing the jammed paper and the unit for canceling the abnormal state such as removing the jammed paper. It is image information indicating work and includes image information of still image data and / or moving image data. The procedure information can be held in the management unit 14, and the image information can be held in the HD device 12.

  In the digital multi-function peripheral 1 according to the second embodiment, when a paper jam occurs, the sheet detection sensor 61 detects the jam. At this time, for example, when a paper jam occurs at a plurality of locations such as the sheet conveyance path 30 and the image forming unit 6, the plurality of sheet detection sensors 61,. As a result, a jam occurrence location is specified, and a camera image of the jam occurrence location is displayed on the display unit 4b to allow the user to perform a jam release operation. In addition, operation information of the jam release operation corresponding to the jam occurrence location is displayed on the display unit 4b. Here, the operation information of the jam clearing operation and the video from the camera 62 may be displayed on the display unit 4b at the same time (here, simultaneously by dividing the screen). Further, a message such as an explanation for performing the jam clearing operation may be simultaneously displayed on the display unit 4b together with the operation information of the jam clearing work and the video from the camera 62. The subsequent steps are the same as those of the digital multifunction device 1 of the first embodiment.

  According to the digital multi-functional peripheral 1 according to the second embodiment, the operation information of the jam clearing operation is displayed on the display unit 4b, so that the user's understanding level of the operation information can be increased. Further, when the operation information of the jam clearing operation can be displayed on the display unit 4b, the image of the jam occurrence location photographed by the camera 62 is displayed on the display unit 4b. Therefore, the operation information of the jam clearing operation is displayed on the display unit 4b. When the image can be displayed, the user can check the location of the jam on the display unit 4b. This allows the user to easily recognize whether or not the jam clearing operation has been performed. Even if a piece of paper remains during the work, the piece of paper can be removed. Accordingly, it is possible to cause the user to reliably perform the jam clearing operation.

  Further, it is possible to make the user confirm on the display unit 4b whether or not the release work is being performed reliably even during the jam release work. Therefore, it is possible to effectively prevent the generation of a sheet piece that may still remain after the detection of the jam by the sheet detection sensor 61 is cancelled.

  Further, when the operation information of the jam release operation and the video from the camera 62 are displayed on the display unit 4b at the same time (see FIGS. 4C and 5C described later), the user operates the operation information and the jam of the jam release operation. The occurrence location can be confirmed at the same time, so that it is possible to improve the workability of the jam clearing work for the user, and the clearing work can be further reliably performed.

  Further, in the case where a message is displayed on the display unit 4b at the same time together with the operation information of the jam clearing operation and the video from the camera 62 (see FIG. 4C and FIG. 5C), in addition to the above effects, the user's The degree of understanding of the operation information can be further increased, and the jam clearing operation can be surely performed accordingly.

[Common configuration]
The sheet detection sensor 61 is, for example, on the conveyance path between the paper feed tray 24 and the transfer part of the photosensitive member 3 in the sheet conveyance path 30 or on the conveyance path between the transfer part of the photosensitive member 3 and the discharge tray 23 in the sheet conveyance path 30. One or more can be provided. Note that the sheet detection sensor 61 and its arrangement are the same as those in the related art, and a detailed description thereof is omitted here.

  The camera 62 can be provided in the vicinity of the sheet conveyance path 30 so as to capture an image of a jam occurrence location in the sheet conveyance path 30. For example, as shown in the printing unit 6b in FIG. 1, the camera 62 can be installed in the vicinity of a member such as a roller that may cause jamming.

  Specifically, the camera 62 captures an image of one side in the depth direction of the multifunction machine 1 that is orthogonal to the sheet conveyance direction of the sheet conveyance path 30 at the jam occurrence location. Specifically, in this multifunction device 1, a cover member provided on the other side in the depth direction of the multifunction device 1 (here, the front side) can be opened and closed. In this case, when a jam is generated in the sheet conveyance path 30 and the user performs a jam release operation in a state where the cover member provided on the near side is opened, the user performs one side in the depth direction of the multifunction machine 1 ( The back side here is hard to see. Therefore, the camera 62 is provided in the vicinity of the back side of the sheet conveyance path 30 so as to capture a video on the back side of the multifunction machine 1. In this configuration, the camera 62 shoots an image of the back side of the sheet conveyance path 30, so that the user is present even if a piece of paper remains on the back side in the sheet conveyance path 30 during the jam release operation. Can be easily recognized and the piece of paper can be removed.

  In addition, the camera 62 can be provided in the vicinity of the process of the image forming unit 6 so as to take a picture of a jam occurrence location in the image forming unit 6 provided in the multifunction device 1.

  It is preferable that the camera 62 is arranged so as to capture a position where it is assumed that the user forcibly pulls the paper and a piece of paper remains when the paper is jammed. Further, when a space for arranging the camera 62 is limited, a fiber camera or the like may be used. By doing so, the space where the camera 62 is arranged can be saved. When lighting is difficult, an illumination unit 63 that illuminates a jam occurrence location can be further provided to assist photographing with the camera 62. In this case, it is possible to clearly capture the image of the location where the jam has occurred, and it is possible to reliably cause the user to clear the jam.

  In addition, the photographing unit 62 may include a plurality of cameras 60a, 62b,... That respectively photograph a plurality of jammed images in the multifunction machine 1. In this case, the device control unit 8 can acquire the images from the plurality of cameras 60a, 62b,... In association with the locations where the respective cameras are provided, and display them on the display unit 4b. Moreover, when providing the illumination part 63, it can provide corresponding to each camera 60a, 62b, ....

  For example, the camera 62 may be arranged in the vicinity of the sheet conveyance path 30 and in the vicinity of the process of the image forming unit 6. And the apparatus control part 8 may be comprised so that the video of the several places each image | photographed with the some camera 62a, 62b, ... may be simultaneously displayed on the display part 4b (here by screen division) simultaneously. In this case, the user can simultaneously check the images of a plurality of locations taken by the plurality of cameras 62a, 62b,... On the display unit 4b, and the user can surely perform the jam clearing operation accordingly. it can.

  In addition, the device control unit 8 inputs a plurality of display screens each including one video or several videos from the plurality of cameras 62a, 62b,. It can also be displayed on the display unit 4b so as to be switchable by operation. In this case, the device control unit 8 displays the other one video or some other video from the first display screen displaying one video or some video displayed on the display unit 4b. Two display screens can be displayed on the display unit 4b. By doing this, among the images from the plurality of cameras 62a, 62b,..., A display screen displaying one or several images desired by the user can be quickly and easily displayed on the display unit 4b. As a result, it is possible to ensure that the user clears the jam.

[Description of Operation Flow of Device Control Unit 8]
Next, an operation flow of the device control unit 8 will be described. FIG. 3 is a flowchart illustrating an example of a processing flow of the device control unit 8 in the digital multi-function peripheral 1 according to the first and second embodiments. FIG. 4 is a diagram illustrating an example of display contents of a display screen displayed on the display unit 4b when a sheet jam occurs.

  In the operation flow shown in FIG. 3, when occurrence of a jam of a sheet is determined in step S <b> 1, a jam occurrence location is determined based on information such as a signal from the sheet detection sensor 61 in step S <b> 2. Here, the jam occurrence location includes not only the occurrence location of the main jam, but also the occurrence location of the secondary jam occurrence. That is, all the places where the paper is stagnant due to the jam can be indicated.

  Next, in step S3, the image of the camera installed in the vicinity of the jam occurrence location is displayed on the display unit 4b of the operation panel 4 (see FIG. 4A). Further, in the digital multi-functional peripheral 1 of the second embodiment, the device control unit 8 operates the operation information for jam release work (here, image information such as a still image and a moving image for explaining the jam release work, hereinafter referred to as guidance information). ) To display an operation information screen (refer to FIG. 4B) and a split screen (refer to FIG. 4C) to simultaneously display guidance information for jam clearing work and video from the camera 62 (see FIG. 4C). It may be configured to be displayed on the display unit 4b so as to be switched by an input operation by the user of the means α1. By doing so, it is possible to switch between the operation information screen and the divided screen as necessary. For example, the operation information screen of FIG. 4B may be preferentially displayed on the display unit 4b, and the divided screen of FIG. 4C may be displayed on the display unit 4b by the switching unit α1. Note that message information such as explanations for performing a jam clearing operation can be displayed side by side on the imaging screen of the camera in FIG. Further, on the operation information screen of FIG. 4B and the split screen of FIG. 4C, message information such as explanation for performing the jam clearing operation can be displayed side by side.

  If it is determined in step S4 that the jam detection by the sheet detection sensor 61 has been canceled, the display of the imaged content of the camera 62 may be ended in step S5, or in order to perform a more reliable jam release operation, The display of the imaged content of the camera 62 may be continued even after the end of jam detection cancellation. In the case where the display is continued even after the completion of the jam detection cancellation, the user confirms that the jam release operation has been performed reliably, and then operates an operation means (not shown) such as a switch (in step S5). Y) The display of the imaging content of the camera 62 can be terminated. As a result, the user can forcibly pull the paper, recognize the piece of paper that has been torn off by the display of the captured content of the camera 62, and remove the piece of paper more reliably.

  Then, when the “next” button β is operated on the screen of FIG. 4B or FIG. 4C, it is possible to shift to the screen of the next procedure.

  Here, when there are a plurality of jam occurrence locations and a plurality of cameras 60a, 62b,... Are used to shoot images of a plurality of jams, respectively, all the images from the plurality of cameras 60a, 62b,. It may be displayed. It is also possible to selectively display several videos in one video or a plurality of videos. In this case, another video display can be selected by the switching means α2 such as a switch.

  FIG. 5 is a diagram illustrating an example of a display screen displayed on the display unit 4b when a plurality of trouble (abnormal state) occurrence locations exist.

  In the digital multi-function peripheral 1 of the second embodiment, when the photographing unit 62 includes a plurality of cameras 60a, 62b,..., The device control unit 8 takes a plurality of locations photographed by the plurality of cameras 60a, 62b,. Are simultaneously displayed (simultaneously by screen division) on the display unit 4b so as to be selectable by the input operation of the selection means γ1, γ2 such as a switch (see FIG. 5A), and the video selected by the user The guidance information corresponding to the jam occurrence location may be displayed on the display unit 4b (see FIG. 5B). In this way, it is possible to quickly and easily display the user's desired guidance information on the display unit 4b from the images from the plurality of cameras 60a, 62b,... Thus, the releasing operation can be performed more reliably.

  In this case, the device control unit 8 displays an operation information screen (see FIG. 5B) that displays guidance information corresponding to the jam occurrence position of the video selected by the user, the video selected by the user, and the occurrence of the jam. A split screen (see FIG. 5C) that simultaneously displays guidance information corresponding to the location is displayed on the display unit 4b so as to be switchable by an input operation by a user of the switching means α2 such as a switch. Also good. By doing so, it is possible to switch between the operation information screen and the divided screen as necessary. For example, the operation information screen in FIG. 5B may be preferentially displayed on the display unit 4b, and the divided screen in FIG. 5C may be displayed on the display unit 4b by the switching unit α2.

  That is, after a user confirms a place where a plurality of troubles have occurred on the list screen (screen division) (see FIG. 5A), a desired part of the plurality of places where trouble is to be removed is desired. When the user selects the release work procedure (for example, the procedure for video A), the guidance information screen of the release work procedure at the selected location can be displayed. At this time, an operation information screen (see FIG. 5B) for the guidance information of the release work at the selected location, and a video image of the selected location and the guidance information division screen (see FIG. 5C). The display can be switched on the display unit 4b by the switching means α2. Note that message information such as explanation for performing the jam clearing operation can be displayed side by side on the imaging screen of the camera in FIG. Further, message information such as explanation for performing the jam clearing operation can be displayed side by side on the operation information screen of FIG. 5B and the split screen of FIG. 5C.

  Then, when the “next” button β is operated on the screen of FIG. 5B or FIG.

  In addition, this invention is not limited to embodiment mentioned above, Of course, various deformation | transformation and correction are possible within the range which does not deviate from the summary of this invention.

1 is a block diagram showing a schematic configuration of a digital multi-function peripheral that is an embodiment of an image forming apparatus according to the present invention. FIG. 2 is a plan view showing an operation unit of the digital multifunction peripheral shown in FIG. 1. 6 is a flowchart illustrating an example of a processing flow of a device control unit in the digital multifunction peripheral according to the first and second embodiments. It is a figure which shows an example of the display content of the display screen displayed on a display part when the jam of a sheet | seat generate | occur | produced, Comprising: The figure (a) was image | photographed with the camera, when a jam was detected by the sheet detection sensor. It is a figure which shows the example of a display of the image | video of a jam generation | occurrence | production location, FIG.5 (b) is a figure which shows the example of a display of the operation information of a jam cancellation | release operation | work, FIG. It is a figure which shows the example of a display displayed simultaneously by the division | segmentation. It is a figure which shows an example of the display screen displayed on a display part when the trouble (abnormal state) generation | occurrence | production location exists in multiple numbers. Fig. (A) is a diagram showing a display example in which a video of a place where a plurality of troubles is displayed is displayed on a list screen (screen division), and Fig. (B) is a processing procedure of the release work at the selected location. (C) is a diagram showing a display example in which the video of the selected portion and its processing procedure are simultaneously displayed by screen division.

Explanation of symbols

1 Digital MFP (an example of an image forming device)
4b Display unit 6 Image forming unit 8 Device control unit (an example of display control unit)
30 Sheet conveyance path 61 Sheet detection sensor (an example of a detection unit)
62 Camera (an example of a shooting unit)
63 Illumination

Claims (9)

An image forming apparatus having a display unit,
A detection unit for detecting an abnormal state of the device;
An imaging unit that captures an image of the location where the abnormal state occurs in the device;
An image forming apparatus comprising: a display control unit configured to display on the display unit an image of the occurrence location of the abnormal state captured by the imaging unit when the abnormal state is detected by the detection unit. . An image forming apparatus having a display unit, wherein a detection unit that detects an abnormal state of the device, and an abnormal state detected by the detection unit, the display unit corresponds to the work for canceling the abnormal state In an image forming apparatus including a display control unit that displays operation information,
A photographing unit for photographing an image of the occurrence of the abnormal state in the apparatus;
The display control unit, when the operation information can be displayed on the display unit, causes the display unit to display an image of the occurrence location of the abnormal state imaged by the imaging unit. . The image forming apparatus according to claim 2.
The display control unit causes the display unit to simultaneously display the operation information and the video imaged by the imaging unit. The image forming apparatus according to claim 3.
The display control unit causes the display unit to simultaneously display the operation information, an image captured by the imaging unit, and a message. The image forming apparatus according to any one of claims 1 to 4,
The image forming apparatus, wherein the photographing unit photographs a video of a location where the abnormal state occurs in a sheet conveying path provided in the apparatus. The image forming apparatus according to claim 5.
The image forming apparatus is characterized in that the photographing unit photographs an image on one side in the depth direction of the apparatus perpendicular to the sheet conveying direction of the sheet conveying path at the occurrence position of the abnormal state. The image forming apparatus according to any one of claims 1 to 6,
The image forming apparatus, wherein the image capturing unit captures an image of the location where the abnormal state occurs in an image forming unit provided in the apparatus. The image forming apparatus according to any one of claims 1 to 7,
An image forming apparatus, further comprising: an illumination unit that assists photographing by the photographing unit. The image forming apparatus according to any one of claims 1 to 8,
The imaging unit is composed of a plurality of imaging units that respectively shoot images of a plurality of locations in the abnormal state in the device,
The display control unit causes the display unit to simultaneously display a plurality of video images captured by the plurality of imaging units, respectively.

Images