JP2005342951A - Image forming apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which facilitates recognition of display contents of a display screen of an operation panel without depending on physical characteristics of an operator. <P>SOLUTION: At the operation panel 90, information set for switching of color display/monochromatic display is detected by a setting information detecting part 901. For example, on/off of a display switching button set at the operation panel 90 is detected. At a display mode selecting part 902, contents of the display screen of the operation panel 90 are determined in accordance with the detected setting, and an indication in line with the determination is sent to a display control part 903. At the display control part 903, switching of the color display/monochromatic display is carried out in accordance with the indication from the display mode selecting part 902. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an image forming apparatus provided with an operation screen for displaying various settings. More specifically, the present invention relates to an image forming apparatus capable of changing a display format of an operation screen in response to an operator's request.

  Conventionally, an image forming apparatus has been provided with an operation panel for setting output conditions. In addition, the operation panel is provided with a liquid crystal display screen for displaying output condition settings, warning messages, and the like. Furthermore, output conditions can also be set from this display screen. In recent years, the contents of the display screen have become complicated due to the multi-functionality of image forming apparatuses. In order to make such complicated display contents easy to understand for the operator, an image forming apparatus in which the display screen of the operation panel is colored is employed.

Several techniques relating to the operation panel of the image forming apparatus have been disclosed so far. For example, a technique for changing the display content of the display screen according to the tilt angle of the operation panel is disclosed (for example, Patent Document 1). Further, a technique for changing the contrast of the display screen according to the angle of the operation panel and the brightness around the operation panel is disclosed (for example, Patent Document 2). In addition, a technique for changing the character color, density, size, and the like of display contents according to an operator is disclosed (for example, Patent Document 3).
Japanese Patent Laid-Open No. 2003-323084 JP-A-8-171377 JP 2003-337505 A

  However, the conventional image forming apparatus has the following problems. That is, the display screen of the conventional operation panel can display only one of color display and monochrome display. For this reason, it is difficult for some operators to see the display content on the display screen. Specifically, when color display is performed, it is certainly easy for a healthy person to understand. However, it is often difficult for color-blind people (color-weak) to recognize the distinction between colors, making it difficult to see. Furthermore, the color display has a lower contrast than the monochrome display, and the visible range is narrow as shown in FIG. This makes it difficult for those who cannot look into the operation panel, for example, wheelchair users and children.

  The present invention has been made to solve the problems of the conventional image forming apparatus described above. That is, an object of the present invention is to provide an image forming apparatus that can easily recognize the display contents on the display screen regardless of the physical characteristics of the operator.

  An image forming apparatus designed to solve this problem has a display unit for displaying output conditions, and forms an image in accordance with the output conditions. A color display is used as a display mode of the display unit. A color mode for performing display and a monochrome mode for performing monochrome display can be selected. A display attribute detection unit for detecting display mode setting information, and a display mode according to the setting information detected by the display attribute detection unit. And a display control unit for controlling the display unit in accordance with the display mode selected by the display mode selection unit.

  In other words, the image forming apparatus of the present invention includes a display unit capable of switching between color display (color mode) and monochrome display (monochrome mode). The details of the output conditions are displayed on this display section. The display attribute detection unit detects display mode setting information, and the display mode selection unit selects the display mode of the display unit based on the setting information. Then, the display content of the display unit is determined by the display control unit according to the display mode. Thereby, it is possible to perform display according to the operator.

  As the display mode setting information, for example, when a display mode switching key is provided on the display section and the color key and the monochrome display are switched by the input of the switching key, the input of the switching key is used to set the display mode. Information. According to the switching of the display mode by this key input, the display mode can be freely switched by the operator himself and the screen can be switched to an easy-to-see screen according to the operator. The switching can be easily performed by key operation or the like.

  Another image forming apparatus of the present invention is an image forming apparatus that displays an output condition and has a display unit capable of adjusting an inclination angle, and forms an image according to the output condition. As the display mode, a color mode for performing color display and a monochrome mode for performing monochrome display can be selected. An angle detection unit for detecting the tilt angle of the display unit, and an inclination angle detected by the angle detection unit. A display mode selection unit that selects the display mode according to the display mode and a display control unit that controls the display unit according to the display mode selected by the display mode selection unit.

  The display unit of this image forming apparatus can adjust the tilt angle. Therefore, the operator can adjust the angle so as to be easy to see with the operator's own hand. Further, the angle detection unit detects the inclination angle, and automatically switches the display mode according to the detected inclination angle. As a result, the display unit is always easy to see for the operator without any special operation.

  Note that the brightness around the display unit may be detected, and the display mode may be automatically switched according to the brightness. By doing so, for example, when the periphery of the display unit is dark and the display contents are difficult to see, it is possible to automatically switch from color display to monochrome display. That is, it is possible to increase the resolution and contrast in accordance with changes in the surrounding environment and make it easier to see the display contents. Further, it is possible to detect both the tilt angle of the display unit and the brightness around the display unit and switch the display mode based on the information.

  Another image forming apparatus according to the present invention includes a display unit that displays output conditions, and forms an image according to the output conditions. The image forming apparatus performs color display as a display mode of the display unit. A color mode and a monochrome mode for monochrome display can be selected, an operator information storage unit for storing operator information, an operator information acquisition unit for acquiring operator information, and operator information acquisition According to the operator specified by the operator specifying unit and the operator specifying unit specifying the operator by collating the information acquired by the unit with the information stored in the operator information storage unit A display mode selection unit that selects a display mode and a display control unit that controls the display unit according to the display mode selected by the display mode selection unit.

  That is, in this image forming apparatus, information for specifying the operator is stored in advance in the operator information storage unit. Then, the operator information is acquired by the operator information acquisition unit, so that the information and the information stored in the operator information storage unit are collated to identify the operator. The display mode is switched to the optimum display mode for the operator specified by the display mode switching unit. Thereby, a display suitable for the operator can be performed.

  The operator information includes, for example, a recognition number assigned to each operator and an operator's fingerprint. In particular, when the operator is distinguished by the identification number, the procedure for identifying the operator is easy, and the system can be established at low cost. Further, when the operator is distinguished based on the physical characteristics of the operator such as the fingerprint and the retina, the operator's effort is reduced, and erroneous display due to an input error or the like can be prevented.

  Another image forming apparatus according to the present invention includes a display unit that displays output conditions, and forms an image according to the output conditions. The image forming apparatus performs color display as a display mode of the display unit. A color mode and a monochrome mode for monochrome display can be selected. If the output condition of the image forming apparatus is a color image output, the color mode is selected. If the output condition of the image forming apparatus is a monochrome image output, the color mode is selected. A display mode selection unit that selects the monochrome mode and a display control unit that controls the display unit in accordance with the display mode selected by the display mode selection unit.

  That is, in this image forming apparatus, the display mode of the display unit is switched according to the output conditions of the image forming apparatus. Specifically, if the output condition of the image forming apparatus is color image output, the display mode of the display unit is set to the color mode. If the output condition of the image forming apparatus is monochrome image output, the display mode of the display unit is set to monochrome mode. Mode. Thus, the operator can recognize whether the output condition is color image output or monochrome image output only by looking at the display unit. Therefore, malfunction can be prevented.

  The display switching mode may include a manual switching mode in which the operator manually switches the display mode and an automatic switching mode in which the display mode is automatically switched. Thereby, in the manual switching mode, the display unit can be set to the display mode desired by the operator. Therefore, the display desired by the operator can be performed. In the automatic switching mode, the display unit can be set to an appropriate display mode without performing any special operation. Therefore, the labor of the operator can be saved.

  According to the present invention, the display mode of the display screen for displaying the output condition can be selected between the color mode and the monochrome mode. That is, a display mode suitable for the operator can be selected by the operation of the operator or automatically. Therefore, an image forming apparatus that can easily recognize the display content of the display screen regardless of the physical characteristics of the operator is provided.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below in detail with reference to the accompanying drawings. In the present embodiment, the present invention is applied to an electrophotographic copying machine.

  The copying machine 1 of this embodiment is an electrophotographic digital copying machine, and as shown in FIG. 1, an automatic document feeder 10 that automatically feeds documents in a separated state, and an image of a document are read. An image reading unit 30 for taking images, an image forming unit 50 for forming an image on recording paper, and a paper feeding unit 70 for supplying recording paper are provided.

  The automatic document feeder 10 includes a document feed tray 11, a paper discharge tray 12, and a platen glass 20. In the automatic document feeder 10, the documents set on the document feed tray 11 are automatically conveyed one by one to a predetermined position on the platen glass 20. Then, after the document reading unit 30 reads and captures the image of the document, the document is discharged onto the paper discharge tray 12.

  The image reading unit 30 includes a first slider unit 31 that travels in the direction of arrow A in FIG. 1 below the platen glass 20. The first slider unit 31 has a movement start position (scanning start position, a position directly below the shading correction plate 22) as a left end, and a predetermined distance corresponding to the size of the original conveyed to the original reading position by an arrow. By moving in the direction indicated by A, the image of the original can be read and taken. The image reading unit 30 changes the optical path of the reflected light of the document obtained by irradiation of the exposure lamp 311 by the first mirror 312, the second mirror 321, and the third mirror 322, and couples it to the CCD sensor 33 through the lens 34. Let me image. In the CCD sensor 33, incident light is converted into an electrical signal, and the electrical signal is sent to the control unit 100 as document data.

  The control unit 100 performs image processing such as shading correction, positional deviation correction, lightness / color space conversion, gamma correction, frame erasing, color / movement editing, and the like on the sent document data. Is stored in the image storage unit as image data. At the time of image formation, the image data is read from the image storage unit, and the image data is converted into gradation data. Then, the semiconductor laser 58 is driven in synchronization with the conveyance of the recording paper based on the gradation data.

  The image forming unit 50 includes a photosensitive drum 51, a laser diode 58, a polygon mirror 59, a charging charger 53, a developing device 54, a transfer charger 55, a separation charger 56, a cleaner 52, and the like. Then, laser light is emitted from the laser diode 58 based on the drive signal output from the control unit 100. The emitted laser light is deflected and scanned by a polygon mirror 59 that is rotationally driven at a constant speed, and is irradiated onto a photosensitive drum 51 that is rotationally driven in the direction of arrow B in FIG.

  The surface of the photosensitive drum 51 is uniformly charged by a charging charger 53 after residual toner is removed by a cleaner 52. Then, the surface of the photosensitive drum 51 is exposed and scanned by irradiating laser light to form an electrostatic latent image. The electrostatic latent image is developed by the developing device 54 to become a toner image, and is transferred onto the recording paper conveyed from the paper feeding unit 70 by the transfer charger 55.

  The recording sheet on which the toner image has been transferred is separated from the photosensitive drum 51 by the separation charger 56 and conveyed to the fixing unit 60 by the conveyance belt 57. Then, the toner image is fixed on the recording paper by the heat pressing operation in the fixing unit 60. The fixed recording paper is discharged onto a paper discharge tray 63 by a paper discharge roller 62.

  The paper feeding unit 70 includes paper feeding cassettes 71 and 72 for storing recording paper, and pickup rollers 711 and 721 for feeding out the recording paper, and supplies the recording paper of the size specified to the image forming unit 50.

  An operation panel 90 capable of changing the tilt angle is installed on the front surface of the copying machine 1. FIG. 2 shows the configuration of the operation panel 90. The operation panel 90 includes a start key 91 for instructing the start of copying, a numeric keypad 92 for inputting values such as the number of copies, a stop key 94 for instructing interruption of the copying operation, and various functions. And a liquid crystal display unit 95 for displaying settings and messages. Specifically, the liquid crystal display unit 95 has a touch panel laminated on the surface thereof, and accepts input of settings such as copy density, copy magnification, paper selection, copy mode, reserved copy, and the like. Furthermore, the number of copies is displayed and a message indicating the status of the copying machine 1 is displayed.

  The liquid crystal display unit 95 of the operation panel 90 has a function of switching between color display (color mode) and monochrome display (monochrome mode). In color display, even if the display contents are complicated, it is possible to provide an easy-to-see screen by devising color usage. On the other hand, since the monochrome display has high contrast and high resolution, the visibility of the display content is hardly affected by the viewpoint of the operator or the brightness of the surroundings. Therefore, by switching between color display and monochrome display according to the operating environment of the operator and the device, the respective advantages can be utilized. The operation panel 90 is provided with a switching key 93 for switching the display mode.

  Some examples of color display / monochrome display switching control of the operation panel 90, that is, display mode switching control will be described below.

[First embodiment]
In the operation panel 90 of the first embodiment, the input of the switching key 93 is set in advance as a display mode switching condition. Then, the input of the switching key 93 is detected, and the display mode is switched based on the result.

  The operation panel 90 of this embodiment includes a setting information detection unit 901, a display mode selection unit 902, and a display control unit 903 as shown in the block diagram of FIG. The setting information detection unit 901 detects a key input or a touch panel input assigned as a display mode switching condition. The display mode selection unit 902 selects a display mode according to the detected setting content. The display control unit 903 switches the display content of the liquid crystal display unit 95 in accordance with an instruction from the display mode selection unit 902.

  The operation panel 90 of this embodiment operates as follows. First, the setting information detection unit 901 detects information set for switching the display mode. Specifically, in the present embodiment, on / off of a switching key 93 provided on the operation panel 90 is detected. The presence or absence of detection is transmitted to the display mode selection unit 902 as an electric signal.

  As the display mode switching detection means, a switching button may be displayed in the liquid crystal display unit 95 to detect a touch on the liquid crystal display unit 95. In addition, there are a method of interlocking with other conditions such as setting of a power saving mode, a method of elapse of time, a method of interlocking with a trouble such as a jam.

  The display mode selection unit 902 selects a display mode according to the detected setting, and sends an instruction according to the selection to the display control unit 903. The display control unit 903 switches between color display / monochrome display according to an instruction from the display mode selection unit 902. Thereby, switching control between color display / monochrome display is possible. In particular, in this embodiment, since the color display / monochrome display can be switched by key input on the operation panel 90, the display can be easily switched to an easy-to-see display according to the situation.

[Second form]
The operation panel 90 according to the second embodiment determines the switching of the display mode from at least one of the angle of the operation panel 90 and the brightness around the operation panel 90. Therefore, the operation panel 90 of this embodiment includes an angle detection unit 904 that detects the angle of the operation panel 90 and a brightness detection unit 905 that detects the brightness around the operation panel 90 as shown in the block configuration diagram of FIG. And have.

  The operation panel 90 of this embodiment operates as follows. First, the angle of the operation panel 90 is detected by the angle detection unit 904. Alternatively, the brightness around the operation panel 90 is detected by the brightness detection unit 905. The detected value is transmitted to the display mode selection unit 902 as an electric signal.

  The display mode selection unit 902 selects an optimal display mode according to the detected value, and sends an instruction according to the selection to the display control unit 903. The display control unit 903 switches between color display / monochrome display according to an instruction from the display mode selection unit 902. Thus, the color display / monochrome display is automatically switched according to the angle of the operation panel 90 or the ambient brightness. Therefore, it is possible to provide a screen that is always easy to see without the operator performing a special operation or knowing the special operation.

[Third embodiment]
In the operation panel 90 of the third embodiment, operator information is registered in advance as display mode switching conditions. Then, the display mode is selected based on the information of the operator, and the color display / monochrome display is switched. Therefore, the operation panel 90 of this embodiment includes an operator specifying unit 906 that specifies an operator and an operator information storage unit 907 that stores information about the operator as shown in the block configuration diagram of FIG. Yes.

  The operation panel 90 of this embodiment operates as follows. First, operator information is input to the operator specifying unit 906. The operator identifying unit 906 collates the input information with the operator information stored in the operator information storage unit 907 to identify the operator. Then, the specified operator information is sent to the display mode selection unit 902. The input operator information includes, for example, the operator registration number, operator fingerprint, retina, voice, and eye color. As means for inputting the information, for example, there are a key provided on the operation panel 90 and a fingerprint recognition device. In addition, fingerprint information obtained by an external terminal device may be acquired.

  The display mode selection unit 902 selects an optimal display mode according to the operator information sent from the operator information input unit 906, and sends an instruction according to the selection to the display control unit 903. The display control unit 903 switches between color display / monochrome display according to an instruction from the display mode selection unit 902. For example, if the color weak person is registered in advance as monochrome information as operator information, it can be switched to monochrome display at the time of use. Thereby, it is possible to switch to the display mode registered for each operator, and to provide a screen that is always easy to see for each operator.

[Fourth form]
The operation panel 90 of the fourth embodiment determines whether to switch the display mode depending on whether the output condition is color image output or monochrome image output. Therefore, the operation panel 90 of the present embodiment has an output condition detection unit 908 that detects the setting of the output condition as shown in the block configuration diagram of FIG.

  The operation panel 90 of this embodiment operates as follows. First, the output condition detection unit 908 detects whether the output condition is color image output or monochrome image output. The detected information is sent to the display mode selection unit 902.

  The display mode selection unit 902 selects a display mode according to the detected output condition, and sends an instruction according to the selection to the display control unit 903. The display control unit 903 switches between color display / monochrome display according to an instruction from the display mode selection unit 902. As a result, it is possible to easily recognize whether the output condition is color image output or monochrome image output simply by looking at the liquid crystal display unit 95. Therefore, for example, when the liquid crystal display unit 95 is displayed in color, it can be recognized that the output condition is color image output, so that a situation where a color image is erroneously output when a monochrome image is desired is avoided. be able to.

[Fifth embodiment]
The operation panel 90 of the fifth embodiment is an application example of the fourth embodiment, and a manual switching function by an operator is added in addition to an automatic switching function based on output conditions. For this reason, the operation panel 90 of the present embodiment includes a display switching mode detection unit 909 that detects the on / off setting of the automatic switching function in addition to the output condition detection unit 908 that detects the setting of the output condition as shown in the block configuration diagram of FIG. have.

  The operation panel 90 of this embodiment operates as follows. First, the display switching mode detection unit 909 detects information set for selecting automatic switching / manual switching, for example, input of a panel key provided on the operation panel 90.

  When automatic switching is performed, the output condition detection unit 908 detects whether the output condition is color image output or monochrome image output. When automatic switching is not performed, that is, when manual switching is performed, the setting information detection unit 901 detects information set for switching the display mode. The detected information is sent to the display mode selection unit 902.

  When automatic switching is performed, the display mode selection unit 902 selects a display mode according to the detected output condition, and sends an instruction according to the selection to the display control unit 903. When automatic switching is not performed, the display mode is selected according to the setting information detected by the setting information detection unit 901, and an instruction according to the selection is sent to the display control unit 903. The display control unit 903 switches between color display / monochrome display according to an instruction from the display mode selection unit 902.

  That is, in the fourth mode, there is a possibility that monochrome display is automatically performed even when the operator wants to perform color display. On the contrary, there is a possibility that color display is automatically performed even when monochrome display is desired. For this reason, a manual switching function is provided so that the operator can switch to the desired display setting. Also, providing the automatic switching function can reduce the operator's trouble.

[Sixth embodiment]
The operation panel 90 of the sixth embodiment is an application example of the second embodiment, and in addition to the automatic switching function depending on the angle of the operation panel 90 or the brightness around the operation panel 90, a manual switching function by the operator is added. ing. Therefore, the operation panel 90 of this embodiment has a display switching mode detection unit 909 that detects the on / off setting of the automatic switching function in addition to the angle detection unit 904 and the brightness detection unit 905 as shown in the block configuration diagram of FIG. doing.

  The operation panel 90 of this embodiment operates as follows. First, the display switching mode detection unit 909 detects information set for selecting automatic switching / manual switching, for example, input of a panel key provided on the operation panel 90.

  When automatic switching is performed, the angle unit 904 detects whether the output mode is a color image mode or a monochrome image mode. When automatic switching is not performed, the setting information detection unit 901 detects information set for switching the display mode. The detected information is sent to the display mode selection unit 902.

  In the display mode selection unit 902, the angle of the operation panel 90 is detected by the angle detection unit 904 when automatic switching is performed. Alternatively, the brightness around the operation panel 90 is detected by the brightness detection unit 905. Then, an optimal display mode is selected according to the detected value, and an instruction according to the selection is sent to the display control unit 903. When automatic switching is not performed, the display mode is selected according to the setting information detected by the setting information detection unit 901, and an instruction according to the selection is sent to the display control unit 903. The display control unit 903 switches between color display / monochrome display according to an instruction from the display mode selection unit 902.

  That is, in the sixth embodiment, similarly to the fifth embodiment, it is possible to switch to the display setting desired by the operator by providing a manual switching function. Also, providing the automatic switching function can reduce the operator's trouble.

  As described above in detail, the operation panel 90 of the copying machine 1 according to the present embodiment includes the liquid crystal display unit 95 capable of switching between color display and monochrome display. Then, switching between color display / monochrome display is performed by input of a key provided on the operation panel 90 or the like. Therefore, the display can be changed to an easy-to-see display according to the physical characteristics of the operator. Therefore, an image forming apparatus that can easily recognize the display content of the display screen of the operation panel is realized regardless of the physical characteristics of the operator.

  Note that this embodiment is merely an example, and does not limit the present invention. Therefore, the present invention can naturally be improved and modified in various ways without departing from the gist thereof. For example, in the embodiment, the present invention is applied to a copying machine, but the present invention is not limited to this. That is, the present invention can be applied to a printer, scanner, FAX, word processor, or the like. Further, it may be a multi-function machine having a plurality of functions such as a copy function and a printer function.

  Further, in the present embodiment, the liquid crystal display unit 95 for displaying the setting contents is attached to the operation panel 90 and integrated, but the present invention is not limited to this. That is, the input key and the display screen may be provided separately.

1 is a cross-sectional view showing a copying machine according to an embodiment. FIG. 3 is a diagram showing an operation panel of the copying machine according to the embodiment. It is a block block diagram of the operation part which concerns on a 1st form. It is a block block diagram of the operation part which concerns on a 2nd form. It is a block block diagram of the operation part which concerns on a 3rd form. It is a block block diagram of the operation part which concerns on a 4th form. It is a block block diagram of the operation part which concerns on a 5th form. It is a block block diagram of the operation part which concerns on a 6th form. It is a figure which shows the visible range of a color / monochrome display, and the image when a wheelchair user looks into an operation panel.

Explanation of symbols

1 Copying machine (image processing device)
90 Operation panel 95 Liquid crystal display (display)
100 Control unit 901 Setting information detection unit (display attribute detection unit)
902 Display mode selection section (display mode selection section)
903 Display control unit (display control unit)
904 Angle detector (angle detector)
905 Brightness detection unit (brightness detection unit)
906 Operator identification unit (operator information acquisition unit, operator identification unit)
907 Operator information storage unit (operator information storage unit)
908 Output condition detection unit 909 Display switching mode detection unit

Claims (11)

In an image forming apparatus having a display unit for displaying output conditions and forming an image according to the output conditions,
As the display mode of the display unit, a color mode for performing color display and a monochrome mode for performing monochrome display can be selected.
A display attribute detection unit for detecting display mode setting information;
A display mode selection unit that selects a display mode according to the setting information detected by the display attribute detection unit;
An image forming apparatus comprising: a display control unit that controls the display unit according to a display mode selected by the display mode selection unit. The image forming apparatus according to claim 1,
The display attribute recognition unit detects an instruction to switch a display mode by an operator's key input. In an image forming apparatus for displaying an output condition and having a display unit capable of adjusting an inclination angle and forming an image according to the output condition,
As the display mode of the display unit, a color mode for performing color display and a monochrome mode for performing monochrome display can be selected.
An angle detection unit for detecting an inclination angle of the display unit;
A display mode selection unit that selects a display mode according to the tilt angle detected by the angle detection unit;
An image forming apparatus comprising: a display control unit that controls the display unit according to a display mode selected by the display mode selection unit. In an image forming apparatus having a display unit for displaying output conditions and forming an image according to the output conditions,
As the display mode of the display unit, a color mode for performing color display and a monochrome mode for performing monochrome display can be selected.
A brightness detection unit for detecting brightness around the display unit;
A display mode selection unit that selects a display mode according to the brightness detected by the brightness detection unit;
An image forming apparatus comprising: a display control unit that controls the display unit according to a display mode selected by the display mode selection unit. In an image forming apparatus having a display unit for displaying output conditions and forming an image according to the output conditions,
As the display mode of the display unit, a color mode for performing color display and a monochrome mode for performing monochrome display can be selected.
An operator information storage unit for storing operator information;
An operator information acquisition unit for acquiring operator information;
An operator specifying unit for specifying an operator by collating the information acquired by the operator information acquiring unit with information stored in the operator information storage unit;
A display mode selection unit for selecting a display mode according to the operator specified by the operator specifying unit;
An image forming apparatus comprising: a display control unit that controls the display unit according to a display mode selected by the display mode selection unit. The image forming apparatus according to claim 5,
The operator information acquisition unit can collect a fingerprint,
The operator specifying unit specifies an operator by collating a fingerprint collected by the operator information acquiring unit with a fingerprint stored in the operator information storage unit. apparatus. The image forming apparatus according to claim 5,
The operator information acquisition unit can acquire an operator identification number by inputting a key provided on the operation panel unit,
The operator specifying unit specifies an operator by comparing the recognition number acquired by the operator information acquisition unit with the recognition number stored in the operator information storage unit. Image forming apparatus. In an image forming apparatus having a display unit for displaying output conditions and forming an image according to the output conditions,
As the display mode of the display unit, a color mode for performing color display and a monochrome mode for performing monochrome display can be selected.
A display mode selection unit that selects a color mode if the output condition of the image forming apparatus is a color image output, and selects a monochrome mode if the output condition of the image forming apparatus is a monochrome image output;
An image forming apparatus comprising: a display control unit that controls the display unit according to a display mode selected by the display mode selection unit. The image forming apparatus according to claim 1, wherein:
As the display switching mode of the display unit, a manual switching mode in which the operator manually switches the display mode and an automatic switching mode in which the display mode is automatically switched can be selected.
The display mode selection unit selects a display mode according to the information detected by the display attribute detection unit in the manual switching mode, and the output condition of the image forming apparatus in the automatic switching mode. An image forming apparatus, wherein a display mode is selected in response. The image forming apparatus according to claim 3,
As the display switching mode of the display unit, a manual switching mode in which the operator manually switches the display mode and an automatic switching mode in which the display mode is automatically switched can be selected.
It has a display attribute detection unit that detects display mode setting information,
The display mode selection unit selects the display mode according to the setting information detected by the display attribute detection unit in the manual switching mode, and the angle detection unit in the automatic switching mode. An image forming apparatus, wherein a display mode is selected according to a detected tilt angle. The image forming apparatus according to claim 4,
As the display switching mode of the display unit, a manual switching mode in which the operator manually switches the display mode and an automatic switching mode in which the display mode is automatically switched can be selected.
It has a display attribute detection unit that detects display mode setting information,
In the case of the manual switching mode, the display mode selection unit selects a display mode according to the setting information detected by the display attribute detection unit, and in the case of the automatic switching mode, the display mode selection unit An image forming apparatus that selects a display mode according to the detected brightness.

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