JP6852769B2 - Image forming device - Google Patents

Description

The present invention relates to an image forming apparatus, and more particularly to a technique of display control of a guidance image showing a work procedure of a recording paper jam elimination work.

Some image forming devices such as printers and multifunction devices have a function of displaying a guidance image indicating the work of eliminating the recording paper jam on the display unit when the recording paper jam occurs. With such an image forming apparatus, even an operator who is unfamiliar with operating the device can perform work while watching the guidance image and eliminate the recording paper jam.

In Patent Document 1 below, a still image guidance image is displayed on the screen by pressing the help key, and a previous guidance image or the next guidance image is displayed by pressing "PRE" or "NEXT" on the screen. The image forming apparatus to be used is disclosed. In Patent Document 2 below, when a jam state is set by a recording paper jam, the position of the residual recording paper is lit or blinked according to the number of times of forgetting to take in the past at each residual position, or the display color is changed. An image forming apparatus for displaying in different display modes is disclosed.

Japanese Unexamined Patent Publication No. 10-107940 Japanese Unexamined Patent Publication No. 10-297795

In the above-mentioned Patent Document 1, there is a problem that the operator needs to operate a button in order to display a guidance image of the next work, which is not convenient. In the above-mentioned Patent Document 2, it is possible to inform the operator of forgetting to remove the residual recording paper in an easy-to-understand manner, but a predetermined operation is required to display the guidance image showing the procedure for removing the residual recording paper. There is a problem that it lacks convenience.

The present invention has been made in view of the above circumstances, and an object of the present invention is to display an appropriate guidance image by changing the display of the guidance image according to the progress of the recording paper jam elimination work.

The image forming apparatus according to one aspect of the present invention has a display unit and, when a recording paper jam occurs, a guidance image showing a work procedure consisting of a plurality of steps in the recording paper jam elimination work is continuously displayed on the display unit in the order of steps. A display control unit that displays the paper, a cover that is opened when the recording paper jam is cleared, a cover sensor that detects the open / closed state of the cover, and a cover sensor that is provided in the recording paper transport path to detect the transport status of the recording paper. The recording paper sensor is provided with a jam elimination work progress management unit that manages the progress of the recording paper jam elimination work based on the detection result of the recording paper sensor, and the display control unit is covered by the cover sensor. When it is detected that the paper jam is closed and the jam clearing work progress management unit determines that the chart paper jam clearing work has not been performed, the work procedure of the first step in the recording paper jam clearing work is performed. The guidance image to be shown is repeatedly displayed, the display unit is further provided with a touch panel, and the display control unit is further provided by the jam elimination work progress management unit when the cover sensor detects that the cover is closed. When it is determined that a plurality of steps in the recording paper jam clearing work are incomplete, the display unit displays a list of images showing each of the unfinished steps, and among the unfinished steps, the said is intended to display a guidance image showing the working procedure of the step corresponding to the selected that by the touch panel.

According to the present invention, it is possible to display an appropriate guidance image by changing the display of the guidance image according to the progress of the recording paper jam elimination work.

It is a figure which shows the structure of the image forming apparatus which concerns on one Embodiment of this invention. It is a functional block diagram which shows the internal structure of an image forming apparatus. It is a figure which shows the structural example of the guidance video which shows the work of eliminating the recording paper jam. It is a figure which shows the screen display example of the guidance image which shows the work of eliminating the recording paper jam. It is a flowchart which shows the display process of the guidance image in an image forming apparatus. It is a figure which shows the screen display example of the selection button of the guidance image of an unfinished process. It is a flowchart which shows the display process of a guidance image when there is an unfinished process. It is a figure which shows the list display example of all the steps of the recording paper jam elimination work.

Hereinafter, the image forming apparatus according to the embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front sectional view showing the structure of an image forming apparatus according to an embodiment of the present invention.

The image forming apparatus 1 according to the embodiment of the present invention is a multifunction device having a plurality of functions such as a copy function, a printer function, a scanner function, and a facsimile function. The image forming apparatus 1 includes an operation unit 47, an image forming unit 12, a fixing unit 13, a paper feeding unit 14, a document feeding unit 6, a document reading unit 5, and the like in the apparatus main body 11.

The operation unit 47 receives instructions such as an image formation operation execution instruction and a document reading operation execution instruction from the operator regarding various operations and processes that can be executed by the image forming apparatus 1. The operation unit 47 includes a display unit 473 that displays an operation guide to the operator and a guidance image or the like indicating maintenance work such as clearing the recording paper jam. The display unit 473 is provided with a touch panel, and the operator can operate the image forming apparatus 1 by touching the keys displayed on the screen.

When the image forming apparatus 1 performs the document reading operation, the document reading unit 5 optically reads the image of the document fed by the document feeding unit 6 or the document placed on the document mounting glass 161. Generate image data. The image data generated by the document reading unit 5 is stored in the built-in HDD, a computer connected to the network, or the like.

When the image forming apparatus 1 performs an image forming operation, it is based on the image data generated by the document reading operation, the image data received from a computer connected to the network, the image data stored in the built-in HDD, or the like. The image forming unit 12 forms a toner image on the recording paper P as a recording medium to be fed from the paper feeding unit 14. When color printing is performed, the magenta image forming unit 12M, the cyan image forming unit 12C, the yellow image forming unit 12Y, and the black image forming unit 12B of the image forming unit 12 are each the above-mentioned image. A toner image is formed on the photoconductor drum 121 by the steps of charging, exposing, and developing based on the image composed of each color component constituting the data, and the toner image is transferred on the intermediate transfer belt 125 by the primary transfer roller 126. Transfer to.

The toner images of the above colors transferred onto the intermediate transfer belt 125 are superimposed on the intermediate transfer belt 125 by adjusting the transfer timing to obtain a color toner image. The secondary transfer roller 210 transfers the toner image of the color formed on the surface of the intermediate transfer belt 125 from the paper feed unit 14 to the transfer path 190 at the nip portion N with the drive roller 125A with the intermediate transfer belt 125 sandwiched therein. It is transferred to the conveyed recording paper P. After that, the fixing unit 13 fixes the toner image on the recording paper P to the recording paper P by thermocompression bonding. The color image-formed recording paper P for which the fixing process has been completed is discharged to the discharge tray 151.

The paper feed unit 14 includes a manual feed tray 141 and a plurality of paper feed cassettes. When the size of the recording paper is specified by the operator, the pickup roller 145 of the paper feed cassette containing the recording paper of the size is rotationally driven, and the recording paper P stored in each paper feed cassette is inserted into the nip. Transport toward section N.

When double-sided printing is performed in the image forming apparatus 1, the recording paper P on which an image is formed on one side of the image forming unit 12 is placed in a state of being nipped in a discharge roller pair 159, and then the recording paper is set. P is switched back by the discharge roller pair 159 and sent to the reverse transfer path 195, and is again conveyed to the nip portion N and the fixing portion 13 in the upstream region in the transfer direction of the recording paper P by the transfer roller pair 19. As a result, the image forming unit 12 forms an image on the other surface of the recording paper.

Opening and closing covers, levers, and the like are provided in various parts of the apparatus main body 11. For example, a left cover 17 is provided on the left side surface of the apparatus main body 11, and a front cover (not shown) is provided on the front surface. The operator operates the cover and the lever of the apparatus main body 11 when performing the maintenance work of the image forming apparatus 1. For example, when a recording paper jam occurs, the operator opens the left cover 17 or the front cover of the apparatus main body 11 so that the inside of the apparatus main body 11 can be seen, and a piece of paper jammed in the transport path 190, the fixing portion 13, or the like. Get rid of.

Each cover of the device main body 11 is provided with a cover sensor (FIG. 2) for detecting an open / closed state. For example, the cover sensor provided on the left cover 17 detects the open / closed state of the left cover 17. Further, the paper feed cassette and the transport paths 190 and 195 in the paper feed unit 14 are provided with a recording paper sensor (FIG. 2) for detecting the transport status of the recording paper.

Next, the electrical configuration of the image forming apparatus 1 will be described. FIG. 2 is a functional block diagram showing an internal configuration of the image forming apparatus 1.

The image forming apparatus 1 includes a control unit 10, an operation unit 47, a document feeding unit 6, a document reading unit 5, an image forming unit 12, a fixing unit 13, HDD 90, a facsimile communication unit 91, a network interface unit 92, and a cover sensor 93. And a recording paper sensor 94 and the like.

The document reading unit 5 includes a reading mechanism 163 (FIG. 1) having a light irradiation unit, a CCD sensor, and the like under the control of the control unit 10. The document reading unit 5 irradiates the document with the light irradiation unit and receives the reflected light with the CCD sensor to read the image from the document.

As shown in FIG. 1 in addition to FIG. 2, the operation unit 47 receives instructions from the operator regarding various operations and processes that can be executed by the image forming apparatus 1. The operation unit 47 includes a (touch panel type) display unit 473 having a touch panel function. The display unit 473 corresponds to the display unit described in the claims.

The HDD 90 is a large-capacity storage device that stores a document image or the like read by the document reading unit 5.

The facsimile communication unit 91 includes an encoding / decoding unit, a modulation / demodulation unit, and an NCU (Network Control Unit) (not shown), and transmits a facsimile using a public telephone network.

The network interface unit 92 is composed of a communication module such as a LAN board, and transmits / receives various data to / from a computer 20 or the like in a local area or on the Internet via a LAN or the like connected to the network interface unit 92.

The cover sensor 93 is provided on the left cover 17 or the like in the device main body 11, and detects the open / closed state of each cover. The cover sensor 93 may be any of a mechanical, optical, and magnetic cover sensor that turns on and off as the cover is opened and closed.

The recording paper sensor 94 is provided at various places in the recording paper transport path and detects the transport status of the recording paper. The recording paper sensor 94 may be either a mechanical, optical or magnetic recording paper sensor. The mechanical paper sensor is composed of, for example, a photo interrupter (not shown) and a recording paper detection actuator (not shown) that blocks and releases the optical axis of the photo interrupter. When the recording paper P comes into contact with the recording paper detection actuator, the optical axis of the photo interrupter is blocked by the recording paper detection actuator, and the presence or absence of the recording paper is detected. On the other hand, the optical recording paper sensor is composed of, for example, a light emitting unit and a light receiving unit that receives light from the light emitting unit arranged at a position facing the light emitting unit via a transport path 190. When there is no recording paper P in the transport path 190, the light receiving unit detects that there is no recording paper by receiving the light from the light emitting unit, and when there is a recording paper P in the transport path 190, the light from the light emitting unit records the light. Since the light receiving unit is blocked by paper, the light receiving unit does not receive light, and the control unit 101 and the jam elimination work progress management unit 103, which will be described later, use the detection signal output from the recording paper sensor 94 to indicate whether the light is received or not. Based on this, the presence or absence of recording paper is detected.

The control unit 10 is composed of a processor, RAM, ROM, a dedicated hardware circuit, and the like. The processor is, for example, a CPU, an MPU, an ASIC, or the like. The control unit 10 includes a control unit 101, a display control unit 102, and a jam elimination work progress management unit 103. The control unit 10 functions as a control unit 101, a display control unit 102, and a jam elimination work progress management unit 103 by operating the processor according to a control program stored in the HDD 90, for example.

The control unit 101 controls the overall operation of the image forming apparatus 1. The control unit 101 includes a document reading unit 5, a document feeding unit 6, an image forming unit 12, a fixing unit 13, an operation unit 47, an HDD 90, a facsimile communication unit 91, a network interface unit 92, a cover sensor 93, a recording paper sensor 94, and the like. Is connected to. The control unit 101 controls each of the above-mentioned mechanisms to be connected, and transmits / receives a signal or data to / from each mechanism.

Further, the control unit 101 drives and drives each mechanism unit necessary for executing control of each function of the scanner function, the copy function, and the printer function according to the job execution instruction received from the operator through the operation unit 47 and the like. Control the process. In particular, the control unit 101 controls the display of the display unit 473. The touch panel function of the display unit 473 accepts an operator's touch operation on the display unit 473.

When the display control unit 102 determines that it is necessary to perform the recording paper jam elimination work, the display control unit 102 causes the display unit 473 to display a guidance image showing the work procedure of each step in the recording paper jam elimination operation. That is, the display control unit 102 is in charge of controlling the operation of displaying the guidance image among the display operations by the display unit 473.

The guidance video data is stored, for example, in the non-volatile memory (not shown) in the control unit 10 or the storage area of the HDD 90. The display control unit 102 reads appropriate guidance video data from the storage area and displays it on the display unit 473. The guidance video is composed of video of each process in the work of eliminating the recording paper jam. The display control unit 102 continuously displays guidance images for each process in order from the first process. The guidance image may be an animation or a moving image, or a still image may be continuously displayed.

FIG. 3 is a diagram showing a configuration example of a guidance video showing the work of eliminating the recording paper jam. For example, the work of eliminating the recording paper jam consists of five steps A to E.

The first step A is a work step inside the left side of the main body. The guidance image 30A of the step A comprises a series of images showing the work of opening the left cover 17 of the apparatus main body 11 and removing the recording paper stuck in the vicinity of the fixing portion 13.

The subsequent step B is a work step of removing the recording paper stuck in the nip portion N of the drive roller 125A and the secondary transfer roller 210. The guidance image 30B of the step B comprises a series of images showing the work of opening the front cover of the apparatus main body 11 and turning the knob to remove the paper stuck in the nip portion N.

The subsequent step C is a work step of removing the recording paper stuck in the reversing transfer path 195. The guidance image 30C of the step C comprises a series of images showing the work of turning the knob in the opposite direction to send the recording paper stuck in the reversing transfer path 195 to the nip portion N and remove it.

The next step D is a work step of removing the recording paper jammed during the transfer from the paper feed unit to the image forming unit 12. The guidance video 30D in step D comprises a series of videos showing the work of pulling out the paper feed unit and removing the recording paper.

The final step E is a step of removing the recording paper stuck inside the paper feed unit. The guidance video 30E in step E comprises a series of videos showing the work of opening the transport cover of the paper feed unit and removing the recording paper stuck inside.

When the recording paper jam occurs, the display control unit 102 causes the display units 473 to display the guidance images 30A to 30E in order.

FIG. 4 is a diagram showing a screen display example of a guidance video showing the work of eliminating the recording paper jam. For example, the display control unit 102 causes the display unit 102 to display the explanatory text 41 of the flow of the recording paper jam elimination work flow on the right side of the display unit 473. Further, the display control unit 102 causes the guidance image 42 (for example, the guidance images 30A to 30E) to be displayed in the image display area 43 on the left side of the display unit 473. Further, the display control unit 102 displays a cursor 43 that moves according to the progress of the guidance image 42 on the left side of the explanatory text 41. When the display control unit 102 finishes displaying the guidance video 30E in the final step E, the display control unit 102 returns to the guidance video 30A and redisplays the guidance video from the beginning.

Returning to FIG. 2, the jam elimination work progress management unit 103 manages the progress of the recording paper jam elimination work based on the detection result of the recording paper sensor 94. As described above, the recording paper sensors 94 are provided in various places in the recording paper transport path, and the jam elimination work progress management unit 103 determines which recording paper sensor 94 in the transport path receives the detection result. Based on the content of the detection result, it is possible to know the location where the recording paper is retained in the apparatus main body 11. That is, the jam elimination work progress management unit 103 determines the existence of the recording paper accumulated in the apparatus main body 11 and the accumulated portion thereof, and manages how far the recording paper jam elimination operation has progressed. For example, when the jam elimination work progress management unit 103 finds from the detection result of the recording paper sensor 94 that there is no recording paper remaining in the apparatus main body 11, it determines that the recording paper jam elimination work has been completed. On the other hand, when the jam elimination work progress management unit 103 finds that the recording paper is accumulated in the reversing transport path 195 from the detection result of the recording paper sensor 94, it determines that the above steps C and subsequent steps are incomplete. ..

In the image forming apparatus 1 according to the present embodiment, the display control unit 102 causes the display unit 473 to display an appropriate guidance image according to the detection result of the cover sensor 93 and the work progress determination by the jam elimination work progress management unit 103. .. Hereinafter, the display processing of the guidance image in the image forming apparatus 1 will be described.

FIG. 5 is a flowchart showing the display processing of the guidance image in the image forming apparatus 1. When the recording paper jam occurs, the display control unit 102 repeatedly repeats the guidance video (for example, the guidance video of steps A to E shown in FIG. 3) showing the work of each step in the recording paper jam clearing work, and the display unit. It is displayed on 473 (S1). Based on the detection result of the cover sensor 93, the display control unit 102 repeatedly displays the entire guidance image of each process until it detects that the left cover 17 has been opened once and then closed (NO in S2). ..

When the display control unit 102 detects that the left cover 17 is closed (YES in S2), the display control unit 102 controls the display of the guidance image as follows according to the work progress judgment (S3) by the jam elimination work progress management unit 103. To switch.

When the jam elimination work progress management unit 103 determines that all the jam elimination work has been completed (“work completed” in S3), the display control unit 102 stops displaying the guidance image (S4).

When the jam clearing work progress management unit 103 determines that the jam clearing work has not been performed at all (“work is not performed” in S3), the display control unit 102 performs the work of the first step in the recording paper jam clearing work. A guidance video showing the procedure (for example, the guidance video of step A shown in FIG. 3) is displayed (S5). Based on the detection result of the cover sensor 93, the display control unit 102 repeatedly displays the guidance image of the first step until it detects that the left cover 17 is opened once and then closed (NO in S6). .. When the display control unit 102 detects that the left cover 17 is closed (YES in S6), the process returns to S3, and the guidance image is displayed according to the work progress judgment (S3) by the jam elimination work progress management unit 103. Switch control.

In this way, if the cover is closed without removing the chart paper jam at all, it is assumed that the entire process of the work is too long and the operator is confused as to what kind of work should be performed. Therefore, by repeatedly displaying the guidance video of the first process, it is possible to inform the operator in an easy-to-understand manner which work should be started first.

When the jam clearing work progress management unit 103 determines that a plurality of steps in the jam clearing work are incomplete (“multiple steps have not been performed” in S3), the display control unit 102 determines that each of the unfinished steps has not been completed. A list of buttons for displaying a guidance image showing a work procedure is displayed on the display unit 473 (S7).

FIG. 6 is a diagram showing a screen display example of a selection button for a guidance video of an unfinished process. For example, regarding the jam elimination work including the steps A to E shown in FIG. 3, when the jam elimination work progress management unit 103 determines that only the process A is completed and the steps B to E are not completed, FIG. As shown in the above, the display control unit 102 causes the display unit 473 to list the buttons 44B, 44C, 44D, 44E for displaying the guidance video showing the work procedure of the incomplete steps B to E.

Here, in steps D and E, the paper feed unit is pulled out toward the front of the device. Therefore, if the operations of steps D and E are performed before the process up to the process C is completed, there is a possibility that the recording paper staying in the vicinity of the paper feed unit may be damaged by the pulling out of the paper feed unit. is there. Therefore, the display control unit 102 makes it impossible to select the button for displaying the guidance image showing the work procedure of the process in which the execution order must not be changed. As a result, it is possible to prevent the operator from erroneously working in the process order and causing a break.

Returning to FIG. 5, the display control unit 102 displays a guidance image corresponding to the button selected by the operator (S8). Based on the detection result of the cover sensor 93, the display control unit 102 displays a guidance image corresponding to the selected button until it detects that the left cover 17 has been opened once and then closed (NO in S9). Display repeatedly. When the display control unit 102 detects that the left cover 17 is closed (YES in S9), the display control unit 102 returns to step S3 and controls the display of the guidance image according to the work progress determination (S3) by the jam elimination work progress management unit 103. To switch.

In this way, by making it possible for the operator to select the display of the guidance video showing the work procedure of the unfinished process, the guidance video required by the operator can be narrowed down and presented to the operator, and the operation can be performed. It is possible to improve the convenience of the person.

When the jam elimination work progress management unit 103 determines that only the last step in the jam elimination work has not been completed (“only the last process has not been performed” in S3), the display control unit 102 has the recording paper jam elimination work. (For example, the guidance image of step E shown in FIG. 3) is displayed (S10). Based on the detection result of the cover sensor 93, the display control unit 102 repeatedly displays the guidance image of the last step until it detects that the left cover 17 is opened once and then closed (NO in S11). .. When the display control unit 102 detects that the left cover 17 is closed (YES in S11), the display control unit 102 returns to step S3 and controls the display of the guidance image according to the work progress determination (S3) by the jam elimination work progress management unit 103. To switch.

In this way, when only the last process is incomplete, the guidance video showing the work procedure of the last process is repeatedly displayed to narrow down the guidance video required by the operator and present it to the operator. It is possible to improve the convenience of the operator.

In addition to the above, when it is determined in S3 by the jam elimination work progress management unit 103 that one or more steps in the jam elimination work are incomplete, the operator remains the incomplete steps as follows. You may let them know that you are.

FIG. 7 is a flowchart showing a guidance video display process when there is an unfinished process. When the jam elimination work progress management unit 103 determines that one or more steps in the jam elimination work are incomplete, the display control unit 102 displays the entire process of the jam elimination work in a list format on the display unit 473. (S21). At this time, the unfinished process is displayed in a display mode different from that of other steps in which the work is completed.

FIG. 8 is a diagram showing an example of displaying a list of all processes of the recording paper jam elimination work. For example, when the work of process B and process C in steps A to E is incomplete, the display control unit 102 causes the display unit 473 to display a message indicating that process B and process C are incomplete. At the same time, process B and process C are blinked and displayed in the list display of all processes. As a result, the operator can be informed in an easy-to-understand manner which process is incomplete. When the operator touch-operates the incomplete process that is blinking on the display unit 473, the operation unit 47 receives an instruction to display a guidance image indicating the incomplete process, and the instruction is received. Correspondingly, the display control unit 102 displays a guidance image showing the work procedure of the process.

In addition to blinking, the display mode of the incomplete process is enlarged and displayed compared to other processes, and the other processes in which the work is completed are displayed in gray and dark, whereas the incomplete process is displayed. It may be displayed brightly.

In S21, the display control unit 473 displays the unfinished process in the same display mode as the other process in which the work is completed, not in a display mode different from the other steps in which the work is completed. It may be displayed on 473. Further, in S21, the display control unit 102 causes the display unit 473 to display the entire process of the jam elimination work in a list format, but it may be displayed in another format, for example, the jam elimination operation. Each process required for the above may be sequentially displayed on the display screen of the display unit 473.

Returning to FIG. 7, the display control unit 102 causes the display unit 473 to display a guidance image showing the work procedure of the incomplete process in the order of the process, following the list display of all the processes as shown in FIG. 8 (S22). ). At this time, the display control unit 102 displays the guidance video showing the work procedure of each unfinished process at a display speed slower than the display speed of the guidance video showing the work procedure of the other process. Alternatively, the display control unit 102 may repeatedly display the guidance video showing the work procedure of each unfinished process on the display unit 473. As a result, the work procedure of the unfinished process can be presented to the operator in an easy-to-understand manner.

Based on the detection result of the cover sensor 93, the display control unit 102 displays a list of all the processes of the jam elimination work until it detects that the left cover 17 is opened once and then closed (NO in S23). Repeat the display of the guidance video of the completion process.

When the display control unit 102 detects that the left cover 17 is closed (YES in S23), the display control unit 102 switches the display control of the guidance image according to the work progress determination (S24) by the jam elimination work progress management unit 103. When the jam clearing work progress management unit 103 determines that all the jam clearing work has been completed (“work completed” in S24), the display control unit 102 displays a list of all the jam clearing work processes and unfinished processes. The display of the guidance image is stopped (S25).

On the other hand, when the jam elimination work progress management unit 103 determines that at least one process has not been completed in the jam elimination work (“work incomplete” in S24), the process returns to S21, and the display control unit 102 returns to S21. The display unit 473 displays the entire process of the jam elimination work in a list format.

As described above, according to the present embodiment, when a guidance image showing the recording paper jam elimination work is displayed on the display unit 473 when the recording paper jam occurs, the guidance image indicating the recording paper jam elimination work is displayed according to the progress of the recording paper jam elimination work. Appropriate guidance video can be displayed.

The present invention is not limited to the configuration of the above embodiment, and various modifications can be made. For example, in the above embodiment, the guidance image is displayed on the display unit 473, but instead of or in addition to this, the guidance image can be displayed on an external device such as a PC 20 or a tablet terminal. is there. In this case, when it becomes necessary for the display control unit 102 to display the guidance image as described above, the display control unit 102 transmits the data of the guidance image and the display instruction to the external device via the network interface unit 92. The control unit of the external device is made to display the guidance image on the display unit of the external device.

Further, the configurations and treatments shown in the above embodiments with reference to FIGS. 1 to 8 are merely one embodiment of the present invention, and the present invention is not intended to be limited to the configurations and treatments.

1 Image forming device 17 Left cover 473 Display unit 93 Cover sensor 94 Recording paper sensor 102 Display control unit 103 Jam elimination work progress management unit 44B to 44D buttons

Claims (2)

Display and
When a recording paper jam occurs, a display control unit that continuously displays a guidance image showing a work procedure consisting of a plurality of steps in the recording paper jam elimination work on the display unit in the order of the processes.
The cover that is opened when clearing the chart paper jam,
A cover sensor that detects the open / closed state of the cover and
A recording paper sensor installed in the recording paper transport path to detect the transport status of the recording paper,
It is equipped with a jam elimination work progress management unit that manages the progress of the recording paper jam elimination work based on the detection result of the recording paper sensor.
When the cover sensor detects that the cover is closed, the display control unit determines that the jam-resolving work progress management unit has not performed the recording paper jam-resolving work. The guidance video showing the work procedure of the first step in the jam elimination work is repeatedly displayed.
The display unit is further equipped with a touch panel.
When the cover sensor detects that the cover is closed, the display control unit further determines that the jam elimination work progress management unit has completed a plurality of steps in the recording paper jam elimination work. When this is done, a list of images showing each of the incomplete processes is displayed on the display unit, and a guidance image showing the work procedure of the process corresponding to the selection by the touch panel among the incomplete processes is displayed. An image forming apparatus that makes it impossible to select a predetermined process in which the execution order must not be changed among the processes shown by the images listed on the display unit. When the cover sensor detects that the cover is closed, the display control unit determines that only the final step in the recording paper jam elimination work is incomplete by the jam elimination work progress management unit. when, on the display unit, the image forming apparatus according to claim 1 for displaying repeatedly guidance image showing the working procedure of the last step.

Images