JP2008191452A - Image forming apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus effectively utilizing a plurality of functions. <P>SOLUTION: The image forming apparatus has the plurality of functions and is provided with: a display part to set the plurality of functions; a function selecting means in which one or a plurality of specific function(s) can be selected according to need from the plurality of functions; and a function display means displaying information regarding the specific function selected in the function selecting means to the display part. The specific function is selected by the function selecting means based on either one of memory capacity 93 or time required for the display of information regarding the specific function. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an image forming apparatus.

An image forming apparatus such as a copying machine has a plurality of functions (for example, a paper selection function, a copy density setting function, etc.), and a user selects one or a plurality of functions as appropriate from the plurality of functions. By executing this, a desired printed matter can be obtained.
In recent years, image forming apparatuses have become multifunctional, and it is difficult to collectively display keys for setting all functions of the image forming apparatus on the operation display unit. There is a known counter that detects a function with a low frequency selected within a predetermined period and displays a shortcut key of the function on a shortcut key display unit (for example, see Patent Document 1).
JP 2006-65143 A

  By the way, in the above-described image forming apparatus of Patent Document 1, although shortcut keys of functions that are used infrequently are displayed, the number of characters displayed on the shortcut keys is limited, and the characters displayed on the shortcut key display unit are limited. However, it is impossible to grasp the contents of the function by itself, and there is a possibility that the function cannot be effectively used after all.

  SUMMARY An advantage of some aspects of the invention is that it provides an image forming apparatus that can effectively use a plurality of functions.

In order to solve the above-described problem, the invention described in claim 1 includes a plurality of functions, and includes a display unit for setting the plurality of functions, and responds to a request from the plurality of functions. A function selecting means capable of selecting one or a plurality of specific functions, and a function display means for displaying information on the specific functions selected by the function selecting means on the display unit, for displaying information on the specific functions. The specific function is configured to be selectable by the function selection unit based on at least one of a required memory capacity and time.
With this configuration, it is possible to display information such as a setting method for each selected specific function on the display unit (demonstration display), and to provide a memory capacity for executing the demonstration display in advance in the apparatus main body. It is possible to set (select) the contents to be set and displayed in accordance with it.

The invention described in claim 2 is characterized in that information on the plurality of selected specific functions is sequentially displayed on the display unit.
With this configuration, it is possible to display information such as setting methods regarding a plurality of specific functions on the display unit one by one in order.

The invention described in claim 3 includes screen switching means for switching from a screen on which information relating to the specific function is displayed by the function display means to a setting screen corresponding to the specific function. .
With this configuration, it is possible to immediately and directly confirm the setting screen for the specific function whose contents are grasped on the demonstration screen.

The invention described in claim 4 is characterized in that the screen switching means is configured to be executable based on an input instruction by a dedicated key displayed on the display unit.
With this configuration, it is possible to switch to the setting screen for the specific function flowing on the demo screen by simply pressing the dedicated key.

The invention described in claim 5 is characterized in that the function display means is executed when an operation display device including the display unit and the operation unit is not operated for a predetermined time.
With this configuration, a demonstration screen for each specific function can be displayed using the waiting time when the image forming apparatus is operating, the standby time of the image forming apparatus, and the like, such as a computer screen saver. Can do.

The invention described in claim 6 is characterized in that at least one of a memory capacity and a time required for displaying information on the specific function is displayed for each specific function on the setting screen of the function selection unit. To do.
With this configuration, the memory capacity (time) required for displaying the demonstration screen for each specific function can be easily confirmed.

The invention described in claim 7 is required to display at least one of the memory capacity and time available for the function display means and information related to the specific function already selected on the setting screen of the function selection means. It is configured to be able to display the difference between the memory capacity and time.
With this configuration, it is possible to easily confirm through the display section how much can be selected while selecting a specific function for which a demo screen is to be displayed.

The invention described in claim 8 is characterized in that all the specific functions can be displayed on the setting screen of the function selection means, and the specific functions are displayed in the order of low usage frequency.
With this configuration, it is possible to preferentially display specific functions that are not normally used.

  According to the first aspect of the present invention, information such as the setting method for each selected specific function can be displayed on the display unit as a demonstration, so that the display unit can be read without reading the manual in the booklet. There is an effect that the setting method (operation method) can be understood through the demonstration screen. In addition, the memory capacity (time) for executing the demonstration display can be set in advance on the device body, and the content to be displayed can be set (selected) accordingly. There is an effect that can be appropriately selected according to time.

  According to the second aspect of the present invention, information such as setting methods regarding a plurality of specific functions can be displayed in a demonstration on the display unit one by one without reading a manual in a booklet. There is an effect that it is possible to understand the setting method (operation method) of more specific functions through the demonstration screen of the display unit.

  According to the invention described in claim 3, since the setting screen of the specific function whose contents are grasped on the demonstration screen can be immediately and directly confirmed, the user practices and understands the operation method of the specific function. There is an effect that can be facilitated.

  According to the invention described in claim 4, it is possible to switch to the setting screen of the specific function flowing on the demo screen simply by pressing the dedicated key, so that the user can easily practice the operation method of the function. This has the effect of making it easier to understand.

  According to the invention described in claim 5, information on each specific function is displayed using a waiting time when the image forming apparatus is in operation or a standby time of the image forming apparatus, such as a computer screen saver. Therefore, the user can efficiently understand the operation method of each function.

  According to the invention described in claim 6, since it is possible to easily confirm the memory capacity (time) required for displaying the demonstration screen of each specific function, which specific function should be selected from a plurality of specific functions. It is possible to easily confirm how much memory capacity (time) is required.

  According to the seventh aspect of the present invention, since it is possible to easily confirm through the display section how much can be selected while selecting a specific function for which a demo screen is to be displayed, There is an effect that the information (demo screen) relating to the specific function having an appropriate memory capacity (time) can be reliably selected with respect to the memory capacity (time) for displaying the demo screen set in the above.

  According to the invention described in claim 8, since the specific function that is not normally used can be preferentially displayed, the specific function that the user has not known so far or the specific function that has not been used by a complicated operation is specified. Functions and the like can be easily selected, and there is an effect that the operation method thereof can be understood more efficiently.

Next, an embodiment of the present invention will be described with reference to FIGS. In the present embodiment, the case where the image forming apparatus is employed in a multifunction peripheral having a plurality of functions will be described.
As shown in FIG. 1, the multifunction device 1 includes a multifunction device main body 3 including an image storage unit, an image processing unit, a printing unit, a control unit, and the like, which will be described later. An operation display provided with an operation unit 5 for executing various operations of a plurality of functions of the multifunction device 1 on the upper front side of the multifunction device main body 3 and a display unit 9 having a touch panel 7 made of transparent electrodes arranged on the entire surface. The apparatus 11 is configured, and an automatic document feeder (ADF) 13 for automatically feeding a document and a scanner unit for reading the document are provided in a portion other than the operation display device 11 at the upper part of the multifunction machine main body 3. 15 is configured. The multifunction device 1 has functions of a copy, a printer, a fax, and a scanner.

  As shown in FIG. 2, the operation display device 11 includes an operation unit 5 and a display unit 9. The operation unit 5 includes a plurality of buttons 19 that receive various operation instructions from the user (in response to a request) and output the contents of the operation instructions to the control unit 33. The button 19 includes a start key 19a that activates a copy operation, a fax transmission operation, and the like, a numeric keypad 19b that sets the number of copies, a fax telephone number, and the like, and a function key 19c that activates an initial setting screen.

  The display unit 9 is configured by a color or monochrome liquid crystal display (LCD), and various information is displayed as various images, characters, figures, and the like based on a display instruction input from the control unit 33. Further, the touch panel 7 functions when the user touches each function key displayed on the display unit 9, and the input operation instruction content is output to the control unit 33.

  As shown in FIG. 3, the multi-function device 1 mainly includes an operation unit 5, a display unit 9, an image reading unit 17, an image storage unit 27, an image processing unit 29, a printing unit 31, a control unit 33, and the like. . The operation unit 5 and the display unit 9 are communicably connected to the control unit 33 as described above, and are configured to transmit and receive various operations of a plurality of functions.

  The image reading unit 17 includes an automatic document feeder (ADF) 13 and a scanner unit 15. In such an image reading unit 17, the document supplied from the automatic document feeder 13 is fed onto the glass surface under the control of the control unit 33, and the document is scanned by the scanner unit 15 built in the multifunction device main body 3. Are sequentially read, and color image data representing the color of the document image can be output to the image storage unit 27.

  The image storage unit 27 is configured by an external storage device such as a hard disk or / and a semiconductor memory, and stores color image data of a document image input from the image reading unit 17. The image storage unit 27 is configured to write the color image data of the read document image and to read the color image data and output it to the image processing unit 29 under the control of the control unit 33. .

The image processing unit 29 is configured to be able to convert color image data input from the image storage unit 27 into data for printing and output to the printing unit 31 under the control of the control unit 33.
The printing unit 31 is configured as a printing unit that outputs a document image on the printing paper based on the color image data by transporting the printing paper and attaching toner to the printing paper under the control of the control unit 33. Has been.

  The control unit 33 controls the overall operation of the multifunction device 1 based on operation instructions input from the touch panel 7 of the operation unit 5 or the display unit 9, a control program stored in the internal memory, various control data, and the like. It is. That is, the control unit 33 includes a CPU (Central Processing Unit) that performs a control calculation based on the operation instruction, the control program, various control data, and the like (for example, the operation unit 5, the display unit 9, the image reading unit). 17, various input / output interface lines for exchanging data with the image storage unit 27, the image processing unit 29, and the printing unit 31). By controlling the other units in an integrated manner, copying and scanning are performed. The original image read by the image reading unit 17 using the above function can be printed from the printing unit 31, the original data received from the outside can be printed as a printer, or the received fax data can be printed. .

Next, the configuration between the operation display device 11 and the control unit 33 will be described in detail with reference to FIG.
As shown in FIG. 4, the control unit 33 temporarily includes a display control CPU 45 that controls the display method of the display unit 9 based on a predetermined program, a ROM 47 that stores the predetermined program and data, and various data. A RAM 49 is provided that functions as a working area.

  Data and operation signals obtained from the display control CPU 45, the ROM 47, and the RAM 49 are configured to be able to communicate with the VRAM 51 and the input / output port 63 that expand the display data on the display unit 9 constituting the liquid crystal display screen.

  Further, the VRAM 51 is configured so that a liquid crystal driver 53 that drives the display unit 9 based on display data can communicate, and the liquid crystal driver 53 displays a necessary image on the display unit 9 of the operation display device 11. Has been.

  Furthermore, the touch panel 7 is configured to be able to communicate with a position detection unit 55 that detects the position of the touch panel 7 pressed by the user. When a certain point on the touch panel 7 is pressed, the position detection unit 55 can detect the coordinates in the vertical direction and the horizontal direction by the resistance provided on the touch panel 7.

  In addition, a driver circuit 59 configured to be able to output to an individual display element 57 composed of LEDs or the like arranged on the back of various buttons 19 such as a start key 19a, a numeric keypad 19b, or a function key 19c, and a start key 19a The buffer circuit 61 is configured to receive operation signals from various buttons 19 such as the numeric keypad 19b or the function key 19c.

  The input / output port 63 is configured to be able to input signals from the position detection unit 55 and the buffer circuit 61, configured to be able to output signals to the driver circuit 59, and further configured to be able to input / output with the display control CPU 45. ing.

  The display screen includes a display unit 9 and a touch panel 7. When the touch panel 7 is pressed, the position information detected by the position detection unit 55 is input to the display control CPU 45 via the input / output port 63, and which function is based on the display data developed in the VRAM 51 by the display control CPU 45. It is determined whether a key has been selected. The liquid crystal driver 53 drives the display unit 9 based on the display data developed in the VRAM 51. With these operations, when a function key on the display screen is input, the display on the display screen is controlled to be updated based on the program.

Here, the ROM 47 stores a plurality of demonstration screen data for explaining the contents of various functions and operation methods of the multifunction machine 1. This demo screen data is screen data that is displayed on the display unit 9 and allows the user to understand the contents of various functions and operation methods. The demo screen data is independent for each function, and is configured so that only the demo screen data of one function can be read, or the demo screen data of a plurality of functions can be read. The demo screen data per function is composed of several seconds to several tens of seconds.
The demo screen data read from the ROM 47 is once stored in the RAM 49 or the like, and the data is read from the RAM 49 and displayed on the display unit 9.

Next, the display image of the demonstration screen displayed on the display unit 9 will be described with reference to FIG.
As shown in FIG. 5, the demonstration screen 71 is displayed at a substantially central portion of the display unit 9. The demo screen 71 is configured to be able to display a screen obtained by reducing the display unit 9. When using a specific function, which key can be used to use the specific function In addition, it is explained in order so that a method such as which key should be pressed to perform detailed setting of a specific function is understood (function display means). In addition, the demonstration screen 71 can display what kind of effect is obtained by using the specific function.

  In addition, when the demonstration screen 71 is displayed, it may be configured such that an explanation by voice is made at the same time. In addition, in order to make it easy to understand the key to be pressed when executing a specific function displayed on the demo screen 71, it is displayed so as to surround the key, or the key color is changed to make it easy to understand. Still good.

  A switching key 73 is displayed below the demo screen 71. When the switching key 73 is pressed, the display unit 9 can be switched to the setting screen for the specific function displayed at that time (screen switching means). Note that the position of the switching key 73 is not limited to the lower side of the demonstration screen 71, but may be displayed in the display unit 9.

  That is, when the specific key displayed on the demonstration screen 71 is to be executed immediately, when the switch key 73 is pressed, the display unit 9 is switched to the setting screen for the specific function, and the specific function can be used. Therefore, functions that are normally used less frequently can be actually used.

Next, the setting method (function selection means) of the demonstration screen 71 will be described with reference to FIG.
FIG. 6 shows a setting screen 75 for setting which specific function demo screen 71 is to be displayed on the display unit 9. The setting screen 75 is configured to be displayed by operating the function key displayed on the button 19 of the operation unit 5 or the display unit 9.

  The setting screen 75 is configured with an all function sheet 77 displaying all the specific functions of the MFP 1 on the left side, and a registration function displaying a specific function for displaying the demo screen 71 on the right side of the all function sheet 77. A sheet 79 is configured. In addition, between all the function sheets 77 and the registration sheet 79, a registration key 81 for registering in the registration sheet 79 in order to display the demo screen 71 from among all the specific functions, and once registration in the registration sheet 79 A deregistration key 83 for deregistering the specified function is displayed.

  Further, on the lower right side of the registration sheet 79, a remaining amount display unit 85 that displays how much is left in the memory capacity for displaying the demonstration screen 71 set in the multifunction device 1. Is configured. A determination key 87 for closing the setting screen when the registration (selection) of the specific function to the registration sheet 79 is completed is displayed below the remaining amount display portion 85.

  The all function sheet 77 displays all the specific functions of the multifunction device 1. Since the multifunction device 1 has a considerable number of specific functions, a scroll key 89 that can be scrolled up and down is configured. Further, the specific function key 91 with the name of the specific function is configured to be pressable, and is configured so that the color of the key is changed when pressed once, and the color of the key is the original color when pressed again. Is configured to return. Furthermore, on the right side of the specific function key 91, a capacity display section 93 is configured to display a memory capacity required for displaying the demonstration screen 71 of the specific function. Here, the specific function keys 91 are configured to be displayed in order from the least frequently used for a certain period. By displaying the least frequently used items upward, it is possible to easily select specific functions that are not frequently used.

  The registration sheet 79 is configured to select a specific function for which the demo screen 71 is to be displayed from the all function sheets 77 and display the specific function. Since a plurality of specific functions can be selected, a scroll key 95 that can scroll up and down is configured. Further, the selected specific function key 97 with the name of the specific function is configured to be pressed, and is configured so that the color of the key is changed when pressed once. Configured to return to color. Further, on the right side of the selected specific function key 97, there is configured a capacity display unit 99 for displaying the memory capacity required for displaying the demonstration screen 71 of the specific function.

  The registration key 81 and the registration cancellation key 83 are configured so that a specific function for displaying the demonstration screen 71 can be selected. When one of the specific function keys 91 of the all function sheets 77 is pressed, the specific function is selected. At this time, the specific function key 91 changes color. When the registration key 81 is pressed in this state, the specific function is registered in the registration sheet 79 and displayed as the selected specific function key 97.

  On the other hand, when the selection specific function key 97 displayed once on the registration sheet 79 is selected and selected, and the registration release key 83 is pressed in that state, the registration is canceled and the registration sheet 79 is deleted. It is configured.

  The remaining amount display unit 85 has a memory capacity reserved for the function of displaying the preset demo screen 71 on the multifunction device 1 in a state where the specific function is not selected on the registration sheet 79 (unselected state). Is displayed. When a specific function is selected on the registration sheet 79, the memory capacity required to display the demonstration screen 71 of the specific function is displayed by subtracting it from the remaining amount displayed on the remaining amount display unit 85. . When the remaining amount of the remaining amount display unit 85 becomes 0 or less, a warning is displayed on the display unit 9 or an alarm is issued, so that the user can recognize that no further selection is possible.

  Here, in order to narrow down the specific function keys to be displayed on all the function sheets 77, it is possible to select from “Copy”, “Printer”, “Fax” and “Scanner” before displaying the setting screen 75. May be. In that case, only one function can be selected, or a plurality of functions can be selected. Moreover, you may comprise so that the period which counts use frequency can be set. For example, you may comprise so that it can select from "one year", "one month", and "one week".

In addition, an enter key 87 displayed as “OK” is displayed at the bottom of the setting screen 75. When the enter key 87 is pressed after the setting of the specific function is completed, the setting is completed and the standby mode is set. The screen 65 is configured to return.
Further, when the setting screen 75 is displayed by mistake, a cancel key 98 displayed as “Close” for returning to the original standby screen 65 is displayed. When the cancel key 98 is pressed, the display unit 9 is switched to the standby screen 65.

  If the display number (selection number) of the demo screen 71 is reduced, the demo screen 71 having the same specific function is repeatedly displayed, and the probability that the user views the demo screen 71 of the specific function increases. It is easy to understand how to use the specific function. On the contrary, when the number of displays is increased, a demonstration screen 71 of many specific functions is displayed, which makes it easy to deepen understanding of functions that are completely unknown or functions that are hardly used and forget the operation method.

Next, the operation of this embodiment will be described.
As shown in FIG. 7, the multifunction device 1 is turned on, and after a while, the display unit 9 becomes the standby screen 65, and various operations can be performed. Here, the standby screen 65 is a frequently used copy screen. Note that the standby screen 65 can be set not to be a copy screen but also to other functions such as a fax screen.

  If the control unit 33 determines that the operation display device 11 has not been operated for a certain period of time, the display unit 9 is switched from the standby screen 65 to the demonstration screen 71. That is, if the display control CPU 45 determines that the operation display unit 11 has not been operated for a certain period of time, an instruction is issued to display the data of the demo screen 71 stored in the RAM 49, and the data of the demo screen 71 is sent to the VRAM 51. The data on the demonstration screen 71 is expanded by the VRAM 51 and sent to the liquid crystal driver 53, and the display unit 9 is driven by the liquid crystal driver 53 to display the demonstration screen 71 on the display unit 9. Moreover, the above-mentioned fixed time can be set by operating the operation display unit 11 in advance, for example, 5 minutes.

  When the user wants to use the displayed specific function while the demo screen 71 is displayed, the user switches to the setting screen for the specific function by pressing the switch key 73. That is, when the touch panel 7 is pressed, the position detected by the position detection unit 55 is detected, and the information is sent to the display control CPU 45 via the input / output port 63. If the display control CPU 45 determines that the switch key 73 has been pressed, the type of the specific function displayed at that time is determined, and an instruction is issued to display the setting screen for the specific function. The instruction (information) sent from the display control CPU 45 is sent to the liquid crystal driver 53 via the VRAM 51, and the setting screen for the specific function is displayed on the display unit 9 based on the information.

  Here, the switch key 73 is configured to switch to a setting screen for a specific function displayed when the switch key 73 is pressed. That is, when the displayed demo screen 71 of a specific function is switched to another demo screen 71 of a specific function, the screen that is switched by pressing the switch key 73 is changed accordingly.

  When the area other than the switching key 73 on the display unit 9 is pressed, the screen returns to the standby screen 65. In addition, pressing any one of the buttons 19 on the operation unit 5 also returns to the standby screen 65. Since this information flow is substantially the same as described above, a description thereof will be omitted.

  The demonstration screen 71 displays a description of an operation method for the specific function selected on the setting screen 75. When a plurality of specific functions are selected, the operation method of the specific function is displayed while the description is sequentially switched. When a plurality of demonstration screens 71 of specific functions are displayed in a row, the display returns to the demonstration screen 71 of the first specific function again and can be repeatedly displayed on the display unit 9.

  According to the present embodiment, the multifunction device 1 having a plurality of functions includes the display unit 9 for setting a plurality of functions, and one or more specific functions can be selected from a plurality of functions according to a request. Based on the memory capacity required to display the demonstration screen 71 related to the specific function, and the function display means for displaying the demonstration screen 71 related to the specific function selected by the function selection means on the display unit 9. Since the specific function is selected by the function selection means, information such as a setting method regarding each selected specific function can be displayed on the display unit 9 as a demo screen 71, and a manual in a booklet is read. The setting method (operation method) and the like can be understood through the demonstration screen 71 of the display unit 9 without any problem. In addition, since the memory capacity for executing the display of the demo screen 71 can be set in advance in the multi-function device 1 and the content to be displayed can be set (selected) accordingly, the specific function that the user wants to see the demo screen 71 is stored in It can be appropriately selected according to the capacity.

  Further, since the demonstration screens 71 related to the plurality of selected specific functions are sequentially displayed on the display unit 9, the demonstration screens 71 such as setting methods regarding the plurality of specific functions are sequentially displayed on the display unit 9 one by one. It can be displayed, and more specific function setting methods (operation methods) can be understood through the demonstration screen 71 of the display unit 9 without reading a manual or the like in a booklet.

  In addition, the screen display means has a screen switching means for switching from the screen on which the demonstration screen 71 related to the specific function is displayed by the function display means to the setting screen corresponding to the specific function, and the screen switching means is displayed on the display unit 9. Since it is possible to execute with the switch key 73, the setting screen of the specific function whose contents are grasped on the demonstration screen 71 can be immediately and directly checked, so that the user can practice and understand the operation method of the specific function. Can be made easier. In addition, since the screen can be switched to the setting screen for the specific function flowing on the demo screen 71 simply by pressing the switch key 73, the user can easily practice the operation method for the specific function and make it easy to understand. be able to.

  In addition, since the function display means is executed when the operation display device 11 is not operated for a predetermined time, like the screen saver of the computer, the waiting time when the multifunction device 1 is in operation and the multifunction device 1 are displayed. Since the demonstration screen 71 of each specific function can be displayed using the standby state time of the user, the user can efficiently understand the operation method of each specific function.

  Further, since the memory capacity required for displaying the demonstration screen 71 related to the specific function is displayed for each specific function on the setting screen 75 of the function selection means, the memory capacity required for displaying the demo screen 71 for each specific function can be easily obtained. It can be confirmed, and it can be easily confirmed how much memory capacity is required by selecting which specific function from a plurality of specific functions.

  Further, since the setting screen 75 of the function selection means is configured to be able to display the difference between the memory capacity available for the function display means and the memory capacity required for displaying the demonstration screen 71 related to the already selected specific function, the demonstration screen It is possible to easily confirm through the display unit 9 how many remaining functions can be selected while selecting a specific function to display 71, and the memory capacity for displaying the demo screen set in the multi-function device 1 The demo screen 71 relating to a specific function having an appropriate capacity can be selected with certainty.

  And, since all the specific functions can be displayed on the setting screen 75 of the function selection means and the specific functions are displayed in the order of low usage frequency, the specific functions that are not normally used are displayed preferentially. It is possible to make it easier to select specific functions that the user did not know before or that were not used in complicated operations, and to understand the operation methods more efficiently. it can.

The technical scope of the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention. In other words, the specific method described in this embodiment is merely an example, and can be changed as appropriate.
For example, in the present embodiment, the case of a multifunction peripheral has been described. However, the present invention can be applied to an image forming apparatus having various functions such as a copying machine and a fax machine.
In the present embodiment, the memory capacity is displayed on the capacity display unit and the remaining amount display unit. However, the time may be displayed instead, and both the memory capacity and the time may be displayed. It may be.

1 is a perspective view of a multifunction machine according to an embodiment of the present invention. It is a perspective view of the operation display apparatus in the embodiment of the present invention. 1 is a block diagram of a multifunction machine according to an embodiment of the present invention. It is a block diagram which shows the relationship between the control part and operation display apparatus in embodiment of this invention. It is explanatory drawing of a display part when the demonstration screen in embodiment of this invention is displayed. It is explanatory drawing of the setting screen in embodiment of this invention. It is explanatory drawing of the standby screen in embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Multifunction machine (image forming apparatus) 11 ... Operation display device 71 ... Demo screen (information regarding a specific function) 73 ... Switching key (dedicated key) 85 ... Remaining amount display section 93, 99 ... Capacity display section

Claims (8)

It has a plurality of functions, and includes a display unit for setting the plurality of functions,
A function selecting means capable of selecting one or a plurality of specific functions according to a request from the plurality of functions;
Function display means for displaying information on the specific function selected by the function selection means on the display unit;
An image forming apparatus, wherein the specific function is selectable by the function selection unit based on at least one of a memory capacity and time required for displaying information on the specific function.   The image forming apparatus according to claim 1, wherein information related to the plurality of selected specific functions is sequentially displayed on the display unit.   3. The image according to claim 1, further comprising a screen switching unit configured to switch from a screen on which information regarding the specific function is displayed by the function display unit to a setting screen corresponding to the specific function. Forming equipment.   The image forming apparatus according to claim 3, wherein the screen switching unit is configured to be executable based on an input instruction by a dedicated key displayed on the display unit.   The image forming apparatus according to claim 1, wherein the function display unit is executed when an operation display device including the display unit and the operation unit is not operated for a predetermined time. .   6. The setting screen of the function selecting means displays at least one of memory capacity and time required for displaying information on the specific function for each specific function. The image forming apparatus described in 1.   On the setting screen of the function selection means, the difference between at least one of the memory capacity and time available for the function display means and the memory capacity or time required to display information on the specific function that has already been selected is displayed. The image forming apparatus according to claim 1, wherein the image forming apparatus is configured to be possible.   8. The image according to claim 1, wherein all of the specific functions are configured to be displayed on a setting screen of the function selection unit, and the specific functions are displayed in order of low usage frequency. 9. Forming equipment.

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