JP5180935B2 - Compound machine - Google Patents

Description

  The present invention relates to a multifunction machine including a plurality of processing units configured to perform various processes.

  Multifunction printers such as multi-function printers that have functions such as copiers, printers, scanners, and fax machines are composed of many processing units. Therefore, if all the processing units are energized, the power consumption is large. Become. For this reason, in some conventional multifunction devices, when the standby time exceeds a predetermined time, the main power supply unit stops energizing each processing unit by shifting to the power saving mode, and the auxiliary power supply unit Some were configured to monitor the state of the multifunction device only by energization.

  Also, in some conventional multifunction devices, when the main power is turned on or when the power saving mode is canceled, the main control unit inquires which processing unit the power supply should be supplied to the energy saving control unit, There is one configured to control power supply to each processing unit based on the result (see, for example, Patent Document 1).

JP 2008-160413 A

  In the prior art including the above-described Patent Document 1, a device such as energizing a necessary processing unit according to the operation mode of the multifunction device has been devised, but it does not display which processing unit is in a power-off state. Therefore, there is a disadvantage that it is difficult for the user to grasp the energization state of the multifunction device.

  As a result, even if an unnecessary processing unit is energized, it may not be noticed, or even if energization is not started for a processing unit that should be energized, it may not be noticed.

  The present invention is to provide a multifunction machine capable of improving the visibility of energization control for each processing unit.

  The multifunction peripheral according to the present invention includes a plurality of processing units configured to execute various processes. Examples of processing units include FAX communication units, card readers, interface units such as USB interfaces, sensor units, printer units, post-processing units, scanner units, recording units, operation units, paper feed units, and large capacity paper feed units. Etc.

  This multifunction device includes a power supply unit, an energization switching unit, a display unit, and a control unit. The power supply unit is configured to supply power to the plurality of processing units. The energization switching unit is configured to be able to individually switch energization states between the power supply unit and the plurality of processing units. The display unit is configured to be able to display the energization states of the plurality of processing units. The control unit is configured to control the energization switching unit and to control the display state of the display unit.

  Furthermore, the display unit is configured to be able to display an icon representing the multifunction device, and based on a control signal from the control unit, information indicating the energization state of each processing unit is added to the icon and displayed. It is configured.

  In this configuration, since the display unit displays information indicating the energization state of each processing unit by adding it to the icon representing the multifunction peripheral, it becomes easier for the user to grasp the energization state of each processing unit. The visibility of the power supply state is improved.

  The information indicating the energization state of each processing unit added to the icon representing the multifunction device is preferably a visual display based on a visual image so that the power supply state can be grasped at a glance. It is also possible to display the energization state of the text display.

  Further, the power supply state for each processing unit may be displayed together with the power consumption value of at least one of each processing unit or the entire multifunction peripheral.

  According to this invention, it becomes possible to improve the visibility of energization control for each processing unit.

1 is a diagram showing an outline of a multifunction printer according to an embodiment of the present invention. 1 is a block diagram illustrating an outline of a multifunction printer. It is a figure which shows the structural example of an operation panel. It is a figure which shows the example of the display mode of the icon which displays an electricity supply state. It is a figure which shows the example of the display mode of the icon which displays an electricity supply state. It is a figure which shows the example of the display mode of the icon which displays an electricity supply state. It is a figure which shows the example of the display mode of the icon which displays an electricity supply state. It is a figure which shows the example of electricity supply control operation with respect to an operation panel. It is a figure which shows the example of electricity supply control operation with respect to an operation panel. It is a figure which shows the example of electricity supply control operation with respect to an operation panel. It is a flowchart which shows the example of the electricity supply control procedure in a multifunction printer. It is a flowchart which shows the example of the electricity supply control procedure in a multifunction printer.

  FIG. 1 is a diagram showing an outline of a multifunction printer 50 according to an embodiment of the present invention. The multi-function printer 50 forms multi-color and single-color images on a predetermined paper (recording paper) in accordance with image data transmitted from the outside, and includes an image forming unit 82 and a document reading unit 58. ing.

  The image forming unit 82 includes an optical scanning device 88, a developing device 91, a photosensitive drum 90, a cleaner unit 93, a charger 92, an intermediate transfer belt unit 95, a fixing unit 74, a paper feed cassette 71, and a first paper discharge tray 80. The second paper discharge tray 100 and a plurality of flappers (not shown) for switching the paper transport direction are configured.

  A document placing table 54 made of transparent glass on which a document is placed is provided above the image forming unit 82, and an automatic document processing device 56 is attached to the upper side of the document placing table 54. The automatic document processing device 56 automatically conveys the document on the document table 54. The automatic document processor 56 is configured to be rotatable in the direction of the arrow 52, and the document can be placed manually by opening the document table 54.

  The image data handled in this image forming apparatus corresponds to a color image using each color of black (K), cyan (C), magenta (M), and yellow (Y). Accordingly, four developing units 91, photosensitive drums 90, charging units 92, and cleaner units 93 are provided so as to form four types of latent images corresponding to the respective colors. Black, cyan, magenta, and yellow are respectively provided. These are set to form four image stations.

  The charger 92 is a charging means for uniformly charging the surface of the photosensitive drum 90 to a predetermined potential. In addition to the charger type as shown in FIG. 1, a contact type roller type or brush type charger is used. Sometimes used.

  The optical scanning device 88 is configured to form an electrostatic latent image on the surface of the photosensitive drum 90 based on the input image data. Details of the optical scanning device 88 will be described later.

  The developing device 91 visualizes the electrostatic latent images formed on the respective photosensitive drums 90 with toner of four colors (YMCK). The cleaner unit 93 removes and collects toner remaining on the surface of the photosensitive drum 90 after development and image transfer.

  The intermediate transfer belt unit 95 disposed above the photosensitive drum 90 includes an intermediate transfer belt 94, an intermediate transfer belt driving roller 85, an intermediate transfer belt driven roller 84, an intermediate transfer roller 96, and an intermediate transfer belt cleaning unit 86. I have. Four intermediate transfer rollers 96 are provided corresponding to each color for YMCK.

  The intermediate transfer belt drive roller 85, the intermediate transfer belt driven roller 84, and the intermediate transfer roller 96 are driven to rotate by stretching the intermediate transfer belt 94. Each intermediate transfer roller 96 provides a transfer bias for transferring the toner image on the photosensitive drum 90 onto the intermediate transfer belt 94.

  The intermediate transfer belt 94 is provided so as to come into contact with the respective photosensitive drums 90, and the toner images of the respective colors formed on the photosensitive drums 90 are sequentially superimposed and transferred onto the intermediate transfer belt 94. Further, it has a function of forming a color toner image (multicolor toner image) on the intermediate transfer belt 94. The intermediate transfer belt 94 is formed in an endless shape using, for example, a film having a thickness of about 100 μm to 150 μm.

  The transfer of the toner image from the photosensitive drum 90 to the intermediate transfer belt 94 is performed by an intermediate transfer roller 96 that is in contact with the back side of the intermediate transfer belt 94. A high voltage transfer bias (a high voltage having a polarity (+) opposite to the toner charging polarity (−)) is applied to the intermediate transfer roller 96 in order to transfer the toner image. The intermediate transfer roller 96 is a roller whose base is a metal (for example, stainless steel) shaft having a diameter of 8 to 10 mm and whose surface is covered with a conductive elastic material (for example, EPDM, urethane foam, or the like). By this conductive elastic material, a high voltage can be uniformly applied to the intermediate transfer belt 94. In this embodiment, a roller shape is used as the transfer electrode, but a brush or the like can also be used.

  As described above, the electrostatic images visualized according to the respective hues on the respective photosensitive drums 90 are laminated on the intermediate transfer belt 94. As described above, the laminated image information is transferred onto the sheet by the transfer roller 87 disposed at a contact position between the sheet and the intermediate transfer belt 94, which will be described later, by the rotation of the intermediate transfer belt 94.

  At this time, the intermediate transfer belt 94 and the transfer roller 87 are pressed against each other at a predetermined nip, and a voltage for transferring the toner onto the paper is applied to the transfer roller 87 (the polarity opposite to the toner charging polarity (−)). (+) High voltage). Further, in order to obtain the nip constantly, the transfer roller 87 uses either the transfer roller 87 or the intermediate transfer belt drive roller 85 as a hard material (metal or the like) and the other as a soft material (elasticity such as an elastic roller). A rubber roller, a foaming resin roller, or the like) is used.

  Further, as described above, the toner attached to the intermediate transfer belt 94 by contacting the photosensitive drum 90 or the toner remaining on the intermediate transfer belt 94 without being transferred onto the sheet by the transfer roller 87 is used in the next step. Therefore, the intermediate transfer belt cleaning unit 86 is set so as to be removed and collected. The intermediate transfer belt cleaning unit 86 includes a cleaning blade as a cleaning member that contacts the intermediate transfer belt 94, for example, and the intermediate transfer belt 94 that contacts the cleaning blade is supported by an intermediate transfer belt driven roller 84 from the back side. ing.

  The paper feed cassette 71 is a tray for storing paper (recording paper) used for image formation, and is provided below the optical scanning device 88 of the image forming unit 82. Further, paper used for image formation can also be placed in the manual paper feed cassette 78.

  The first paper discharge tray 80 is provided above the image forming unit 82, and is configured to stack printed sheets face down. On the other hand, the second paper discharge tray 100 is disposed outside the housing of the multifunction printer 50 and is configured to stack printed sheets face up.

  In addition, the image forming unit 82 is configured to send the sheets of the sheet feeding cassette 71 and the manual sheet feeding cassette 78 to the first sheet discharge tray 80 or the second sheet discharge tray 100 via the transfer roller 87 and the fixing unit 74. A substantially vertical sheet conveyance path 77 is provided. In the vicinity of the sheet conveyance path 77 from the sheet feeding cassette 71 or the manual sheet feeding cassette 78 to the first sheet discharge tray 80 and the second sheet discharge tray 100, pickup rollers 73 and 75 and a plurality of conveyance rollers 62 and 64 are provided. , 66, 68, a registration roller 79, a transfer roller 87, a fixing unit 74, and the like.

  The transport rollers 62, 64, 66 and 68 are small rollers for promoting and assisting the transport of paper, and a plurality of the transport rollers 62, 64, 66 and 68 are provided along the paper transport path 77. The pickup roller 73 is provided near the end of the paper feed cassette 71, picks up paper one by one from the paper feed cassette 71, and supplies it to the paper transport path 77. Similarly, the pickup roller 75 is provided near the end of the manual paper feed cassette 78, picks up paper one by one from the manual paper feed cassette 78, and supplies it to the paper transport path 77.

  The registration roller 79 temporarily holds the paper that is being conveyed through the paper conveyance path 77. The sheet has a function of conveying the sheet to the transfer roller 87 at the timing when the leading edge of the toner image on the photosensitive drum 90 is aligned with the leading edge of the sheet.

  The fixing unit 74 includes a heat roller 72 and a pressure roller 76, and the heat roller 72 and the pressure roller 76 are configured to rotate with a sheet interposed therebetween. The heat roller 72 is set so as to reach a predetermined fixing temperature by the control unit based on a signal from a temperature detector (not shown). It has the function of fusing, mixing, and pressing the transferred multicolor toner image and thermally fixing it to the paper. An external heating belt 70 for heating the heat roller 72 from the outside is provided.

    Next, the paper conveyance path will be described in detail. As described above, the image forming apparatus is provided with the paper feed cassette 71 for storing paper and the manual paper feed cassette 78 in advance. Pickup rollers 73 and 75 are arranged to feed paper from the paper feed cassettes 71 and 78, respectively, and guide the paper one by one to the conveyance path 77.

  The sheet conveyed from each of the sheet feeding cassettes 71 and 78 is conveyed to the registration roller 79 by the conveying roller 62 of the sheet conveying path 77, and the transfer roller is aligned with the timing of aligning the leading edge of the sheet and the leading edge of the image information on the intermediate transfer belt 94. The image information is written on the paper. Thereafter, the sheet passes through the fixing unit 74, whereby the unfixed toner on the sheet is melted and fixed by heat, and then passes through the conveying roller 68 disposed, thereby the first discharge tray 80 or the second discharge tray. 100 is discharged.

  The above transport path is for a request for single-sided printing on a sheet. On the other hand, for a request for double-sided printing, the trailing edge of the sheet that has passed single-sided printing and passed through the fixing unit 74 is When gripped by the final transport roller 68, the transport roller 68 rotates backward to guide the paper to the transport rollers 66 and 64. Then, after printing is performed on the back side of the sheet through the registration roller 79, the sheet is discharged to the first discharge tray 80.

  FIG. 2 is a diagram illustrating a schematic configuration of the multifunction printer 50. The multi-function printer 50 includes a main power supply board 20 that is a power supply source in the normal operation mode, a sub power supply board 22 that is a power supply source in the sleep mode, and a control unit 30.

  The control unit 30 includes a ROM 33, a RAM 34, a power supply control unit 32, an image processing board 35, and a CPU 31. The ROM 33 stores a plurality of programs necessary for the operation of the multifunction printer 50. The RAM 34 is a volatile memory that can be directly accessed by the CPU 31 and temporarily stores necessary data. The power supply control unit 32 is configured to operate with power from the sub power supply board 22 and to control power supply to each processing unit of the multifunction printer 50. The image processing board 35 is configured to execute image processing according to a procedure determined for the input image data. The CPU 31 is configured to comprehensively control each unit of the multifunction printer 50 based on a program read from the ROM 33.

  A document reading unit 58, an image forming unit 82, a paper feed cassette 71, an interface unit 40, a storage unit 24, and the operation panel 10 are connected to the control unit 30. In this embodiment, the document reading unit 58, the image forming unit 82, the paper feed cassette 71, the interface unit 40, the storage unit 24, the operation panel 10, and the image processing board 35 described above correspond to the processing unit of the present invention. .

  The interface unit 40 has a function for communicating with an external device. In this embodiment, the interface unit 40 includes a fax communication unit, a USB device connection unit, and a LAN connection unit. The storage unit 24 includes a hard disk drive capable of storing a large amount of image data and the like.

  As shown in FIG. 3, the operation panel 10 includes a display unit 12 and an operation unit 14. The display unit 12 includes a liquid crystal display 120 configured to display information to be presented to the user (particularly, the energization state of each processing unit). The liquid crystal display 120 is configured to be able to display an icon representing the multi-function device 50, and adds information indicating an energization state of each processing unit to the icon of the multi-function device 50 based on a control signal from the control unit 30. Configured to display. Further, in this embodiment, the liquid crystal display 120 is arranged in an area including an icon representing the multi-function device 50, detects a touch operation performed on the icon, and displays the operated position information on the control unit 30. The touch panel part comprised so that it may output with respect to is employ | adopted. However, providing such a touch panel unit on the liquid crystal display 120 is an arbitrary configuration, and is not necessarily a configuration necessary for carrying out the present invention.

  The operation unit 14 includes a panel unit 144 having a plurality of touch panel keys including an energy saving panel key 142 for instructing transition to a sleep mode, and an operation key group 146 having a plurality of operation keys such as a numeric keypad.

  The image processing board 35, the document reading section 58, the image forming section 82, the paper feed cassette 71, the interface section 40, the storage section 24, and the operation panel 10 are connected to the main power supply board 20 via the energization switching section 26. The The energization switching unit 26 includes a plurality of FET substrates 261 to 266 for selectively switching the power supply from the main power supply substrate 20 to an energized state or a non-energized state. By switching on / off of the FET substrates 261 to 266 based on a control signal from the power supply control unit 32, the image processing substrate 35, the document reading unit 58, the image forming unit 82, and the paper feed cassette 71 are switched from the main power supply substrate 20. The power supply to the interface unit 40, the storage unit 24, and the operation panel 10 is controlled.

  Here, a display screen (in particular, information related to the information indicating the energization state of the processing unit and the icon of the multi-function device 50) displayed on the liquid crystal display 120 will be described with reference to FIGS.

  FIG. 4A shows the state of the icon in the normal operation mode in which all the processing units are energized. FIG. 4B shows the energization of the processing units other than the interface that receives an input signal from the outside. The state of the icon at the time of sleep mode which stops is shown.

  As shown in FIG. 4A and FIG. 4B, here, the portions corresponding to the respective processing units in the icon of the multi-function device 50 are displayed brightly in the energized state, while in the non-energized state. It is dark. Further, in this embodiment, a device is provided so that the function of each processing unit can be grasped at a glance by displaying an icon representing each processing unit at a position corresponding to each processing unit in the icon representing the multi-function device 50. Has been. Further, as shown in FIGS. 4A and 4B, information indicating how many watts (W) of power consumption is added to the location corresponding to each processing unit in the icon of the multi-function device 50. ing.

  As described above, it is possible to grasp at a glance whether the multi-function device 50 is in the normal operation mode or the sleep mode based on the display on the liquid crystal display 120. A display form indicating that is in another operation mode is also included.

  For example, FIG. 5A shows an icon in the “SCAN to HDD” mode in which the document reading unit 58 reads the document and records it in the storage unit 24. With this icon, it is possible to grasp at a glance that the image forming unit 82 and the processing unit such as the paper feed cassette 71 that are not related to the operation of reading the image data of the original and directly storing it in the recording unit 24 are not energized. .

  FIG. 5B shows an icon when copying is executed. From this icon, it can be understood at a glance that all the processing units of the multi-function device 50 are energized. FIG. 5C shows an icon when the document reading unit 58 reads the document and records it in the storage unit 24 in the USB memory connected to the interface unit 40. From this icon, it can be understood that the energization of the recording unit 24 is stopped in this operation mode.

  FIG. 6A shows icons in the remaining heat mode. For example, in the “SCAN to USB memory” mode shown in FIG. 5C, the image forming unit 82 is normally in a non-energized state. It is preferable to preheat the image forming unit 82 (particularly the fixing unit) through the touch panel unit of the operation panel 10 in advance. In the multi-function device 50, a residual heat mode is provided in order to meet such needs, and an icon indicating that the residual heat mode is in effect is also displayed on the liquid crystal display 120. During the remaining heat mode, a position corresponding to the image forming unit 82 in the icon is displayed in gray to indicate that the image forming unit 82 is currently remaining in heat. Note that after the completion of the residual heat, the position of the icon corresponding to the image forming unit 82 may be changed to a display similar to the normal energized state.

  FIG. 6B shows an icon in a state where the user has stopped energizing the document reading unit 58 by manual operation. If the user performs copying and scanning operations very frequently and is a user who exclusively uses the multifunction machine as a printer, the power consumption can be reduced by such manual operation. FIG. 6C shows an icon in a state where energization is stopped for a processing unit having a function other than the fax reception function by a user's manual operation.

  Further, FIG. 7A shows an icon in a state where energization to all the processing units other than the operation panel 10 is stopped. FIG. 7B shows an icon at the time of executing the printing process, and FIG. 7C shows an icon at the time of fax reception.

  Next, an example in which energization control using the touch panel portion of the liquid crystal display 120 is performed will be described with reference to FIGS. In the multi-function device 50, it is possible to directly switch on / off the energization of each processing unit by a touch operation on a position corresponding to each processing unit on the icon. For example, as shown in FIG. 8A, by energizing the image reading unit 58 and the storage unit 24 by touching a position corresponding to the image reading unit 58 and the storage unit 24 in the icon in the sleep mode, As shown in FIG. 8B, it is possible to shift to the “SCAN to HDD” mode.

  Further, as shown in FIG. 9A, when the icon is touched at a position corresponding to the image reading unit 58 and the USB interface in the sleep mode, the image reading unit 58 and the USB interface are energized, and FIG. As shown in (B), it is possible to shift to the “SCAN to USB device” mode.

  Further, as shown in FIG. 10A, energization of the image reading unit 58 and the image forming unit 82 is started by touching positions corresponding to the image reading unit 58 and the image forming unit 82 in the icon in the sleep mode. Thus, as shown in FIG. 10B, it is possible to shift to the “copy” mode.

  Next, the power supply control procedure of the multifunction printer 50 will be described with reference to FIGS. 11 and 12. In a state where the main power source of the multi-function device 50 is turned on and activated, the control unit 30 monitors whether or not a job is input (including setting operation for the operation panel 10) (S1). . When a job is input in the monitoring step of S1, the control unit 30 executes the job based on the input command (S7).

  On the other hand, when no job is input, the control unit 30 determines whether or not an energization setting operation has been performed on the operation panel 10 (S2). When the energization setting operation is not performed in the determination step of S2, the control unit 30 determines whether or not the standby time is equal to or longer than the predetermined time (S3), and when the standby time is equal to or longer than the predetermined time. The control unit 30 shifts the multi-function device 50 to the sleep mode (S8). On the other hand, when the energization setting operation is performed in the determination step of S2, the control unit 30 determines whether or not the energization setting operation is an instruction to shift to the sleep mode (S4). .

  In the determination step of S4, when the energization setting operation instructs to shift to the sleep mode, the control unit 30 shifts the multi-function device 50 to the sleep mode (S8). On the other hand, when the energization setting operation does not instruct the transition to the sleep mode but changes the energization state of each processing unit, the control unit 30 performs the energization state change process based on the user's designation. (S5), and an icon indicating the changed energized state is displayed on the liquid crystal display 120 (S6).

  In the sleep mode transition step of S <b> 8, the control unit 30 controls the energization switching unit 26 via the power supply control unit 32 to stop energization of each processing unit. Then, an icon indicating the sleep mode is displayed on the liquid crystal display 120 (S9).

  After the multi-function device 50 shifts to the sleep mode, the control unit 30 constantly monitors whether or not there is a job input as a return trigger (S11). When a job is input in the monitoring step of S11, the control unit 30 starts energizing the processing unit related to the execution of the input job (S12), and displays an icon reflecting the change in the energized state on the liquid crystal display. 120 is displayed (S13). Thereafter, the job is executed (S7), and thereafter, the process proceeds to the determination step of S1, and the same processing as described above is executed. On the other hand, if no job is input in the monitoring step of S11, the control unit 30 monitors whether or not an energy saving cancel operation has been performed (S14).

  In the monitoring step of S14, when the energy saving canceling operation is performed by the energy saving canceling key or the like, the control unit 30 starts energizing all the processing units (S15) and displays an icon reflecting the change in the energizing state on the liquid crystal display 120. (S16). After that, the process proceeds to the determination step of S1, and the same processing as described above is executed. On the other hand, if the energy saving cancellation operation is not performed in the monitoring step of S14, it is monitored whether or not an operation for designating a processing unit to be energized as shown in FIGS. S17).

  When an operation for designating a processing unit to be energized is performed in the monitoring step of S17, the control unit 30 starts energizing the processing unit to be energized based on the operation content (S19), An icon reflecting the change is displayed on the liquid crystal display 120 (S20). After that, the process proceeds to the determination step of S1, and the same processing as described above is executed.

  In the monitoring step of S17, when the operation for designating the processing unit to be energized is not performed, the control unit 30 monitors whether or not an operation for designating further power saving is performed (S18). For example, in this embodiment, in the monitoring step of S18, it is monitored whether an instruction to turn off all interfaces or turn off functions other than the fax reception function is given.

  When an operation for designating further power saving is performed in the monitoring step of S18, the control unit 30 changes the energization state based on the instruction (S21), and displays an icon indicating the changed energization state on the liquid crystal display 120. (S22), and the process proceeds to the monitoring step of S11 again. Further, in the monitoring step of S18, when an operation for designating further power saving is not performed, the process proceeds to the monitoring step of S11 and the same processing as described above is executed.

  According to the above embodiment, the user can switch the energization of each processing unit through the operation panel 10 and can grasp the power-on state of the multi-function device 50 at a glance through the operation panel 10. For this reason, it becomes possible to improve the operativity and visibility of energization control with respect to each processing unit of the multi-function device 50.

  The above description of the embodiment is to be considered in all respects as illustrative and not restrictive. The scope of the present invention is shown not by the above embodiments but by the claims. Furthermore, the scope of the present invention is intended to include all modifications within the meaning and scope equivalent to the scope of the claims.

10-operation panel 20-main power supply board 22-sub power supply board 26-energization switching part 30-control part 32-power control part 40-interface part 50-multifunction printer 261-266-FET board

Claims (5)

A multi-function machine comprising a plurality of processing units configured to perform various processes;
A power supply unit configured to supply power to the plurality of processing units;
An energization switching unit configured to be able to individually switch the energization state between the power supply unit and the plurality of processing units;
A display unit capable of displaying energization states of the plurality of processing units;
A controller configured to control the energization switching unit and to control a display state of the display unit;
With
The display unit is configured to be able to display an icon representing a multifunction device, and displays information indicating the energization state of each processing unit by adding to the icon based on a control signal from the control unit. Multi-function machine configured as follows. The display unit includes a touch panel unit configured to detect a touch operation with respect to a position corresponding to each processing unit in an icon representing the multi-function device, and to output position information on the touch operation.
The multifunction device according to claim 1, wherein the control unit controls the energization switching unit in accordance with an operation on the touch panel unit. It has a plurality of operation modes with different energization states for each processing unit,
The multifunction device according to claim 2, wherein the multifunction device is configured to switch an operation mode in accordance with an operation on the touch panel unit.   The multifunction device according to claim 1, wherein the display unit displays an icon representing each processing unit at a position corresponding to each processing unit in the icon representing the multifunction device.   The multifunction device according to claim 1, wherein the display unit displays information regarding power consumption of each processing unit at a position corresponding to each processing unit in an icon representing the multifunction device.

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