Abstract: The present disclosure relates to a test paper counting technology, in particular to a portable test paper counting device and method based on a single photon detector. A portable test paper counting device based on a single photon detector is provided, which includes a box-shaped housing, two guide rail pairs, two hanger rods, a laser, a reflecting mirror, a single photon detector, a power supply, and a PC computer. A rectangular operating hole penetrating from left to right is formed in a lower edge of a right side wall of the box-shaped housing. A right part of a bottom wall of the box-shaped housing is provided with an assembly hole penetrating from up to down. A left side wall of the box-shaped housing is provided with a threading hole penetrating from left to right. Sliders of the two guide rail pairs both face downwards.

Abstract: An image forming system includes an image forming apparatus having an apparatus main body, a sheet feeding cassette, a manual bypass tray, an opening/closing detection part and a sheet feeding source setting part. The apparatus main body has an input part to which a printing instruction is input. The manual bypass tray is displaced into an open posture and into a close posture. The sheet feeding source setting part sets the sheet feeding cassette or the manual bypass tray as a sheet feeding source. When the opening/closing detection part detects that the manual bypass tray is displaced from the close posture to the open posture and the printing instruction is input to the input part, regardless of the sheet feeding source input to the input part, the sheet feeding source setting part sets the manual bypass tray as the sheet feeding source.

Abstract: In accordance with an embodiment, an image processing system comprises a discharge section, a first tray, a second tray, and a controller. The discharge section discharges a processed sheet. The first tray and the second tray vertically move to load the sheet discharged from the discharge section. The controller drives either one or both of the first tray and the second tray to carry out control to discharge a sheet to which an image forming processing is executed to one of the first tray and the second tray and carries out control to discharge a sheet to which a decoloring processing is executed to the other tray according to a type of a job received by a reception section.

Abstract: An image processing apparatus that is capable of calculating an appropriate replacement guide value of a part even in a case where the image processing apparatus operates under different operating modes. The image processing apparatus is capable of operating in a plurality of operating modes of different image forming speeds and has a replacement guide default value showing a guide for replacement of a part for each of the operating modes. A degree of wear of the part for each of the operating modes is calculated based on the replacement guide default value. The calculated degree of wear is, in a case where the operating mode is changed, converted to a degree of wear for the operating mode after the change, and a replacement guide value of the part in the operating mode is calculated after the change based on the converted degree of wear.

Abstract: Provided is an image forming apparatus capable of reducing power consumption by optimizing preliminary operation of a sensor. In the image forming apparatus, when tone characteristics adjustment is instructed (Step S1003: Y), tone characteristics adjustment (Step S1006) is executed after calibration (Step S1004), while when mixed-color correction is instructed (Step S1007: Y), mixed-color correction processing (Step S1009) is executed after calibration (Step S1008). Further, in the case where mixed-color correction is executed after tone characteristics adjustment, the preliminary light emission time in calibration is set shorter than when mixed-color correction is executed without performing gray adjustment first.

Abstract: A printing system includes a printing apparatus and a printing control apparatus. The printing apparatus obtains first attribute information about a sheet stored in a sheet holding unit of the printing apparatus and sends the first attribute information to the printing control apparatus. The printing control apparatus stores a combination of the first attribute information and second attribute information about a sheet, obtains the second attribute information based on received first attribute information, and sends the second attribute information to the printing apparatus. The printing apparatus and sets received second attribute information as attribute information about the sheet stored in the sheet holding unit. Where setting of the second attribute information is designated, the printing apparatus causes the setting unit to set the second attribute information.

Abstract: A non-transitory storage medium storing a program executable by a computer of a control device that controls a recording device and a reading device, wherein, when the control device receives a command for a cooperative operation in which the reading device reads an image from a recording medium and the recording device records the read image on a recording medium, the program causes the control device to: obtain, from each of the recording device and the reading device, operation mode information relating to an operation mode set for each of the recording device and the reading device; and where the operation mode information of the recording device or the reading device indicates a quiet mode and the operation mode information of the other of the recording device and the reading device does not indicate the quiet mode, control the other of the recording device and the reading device to perform a quiet operation.

Abstract: An image processing device is provided. The image processing device includes a scanner to scan an image formed in a scannable area which is allocated on a sheet, an image obtainer to obtain a processible image formed in the scannable area and scanned by the scanner, a judging unit to judge as to whether the processible image obtained by the image obtainer includes an identifying image, which qualifies a predetermined authentication criterion, and a function controller to activate a predetermined function of the image processing device, which processes the processible image obtained by the image obtainer, when the judging unit judges that the obtained processible image includes the identifying image therein.

Abstract: A host computer generates a print job and transmits it to a printing apparatus. A media group definition defining one or a plurality of groups each combining a plurality of specified media with one or a plurality of feedable search media is added to each print job. The printing apparatus acquires the media group definition from the received print job, acquires, from the media group definition, feedable search media corresponding to the specified media for each page included in the print job, searches for a sheet feed stage storing any one of the feedable search media based on sheet feed stage information, feeds the print medium from the detected sheet feed stage, and prints the page on the print medium.

Abstract: A sheet conveying apparatus includes: a first sheet conveying unit that conveys a sheet by a driving force of an asynchronous motor; a second sheet conveying unit that conveys a sheet by a driving force of a synchronous motor, wherein a sheet is transferred from one of the first sheet conveying unit and the second sheet conveying unit to the other one to convey the sheet; and an asynchronous-motor control unit that starts drive of the asynchronous motor at a drive start timing determined according to rotation information at a time of acceleration of the synchronous motor, at a time of starting sheet conveyance when a same sheet is conveyed by both the first sheet conveying unit and the second sheet conveying unit.

Abstract: An apparatus includes a number of apparatus components that are operable to produce an apparatus action. The components include a circuit board that is available for installation in a number of different board variants. Each circuit board variant includes a photoelectric barrier that receives an input signal from a controller of the apparatus, and that generates a photoelectric barrier output signal supplied to the controller. At least one of the circuit board variants includes a delay element that introduces a delay into the output signal from the controller that is supplied to the photoelectric barrier. The delay is matched to the particular variant of the circuit board, so that the controller, by detecting a characteristic of the delay, can identify the circuit board variant of the currently-installed circuit board. The controller then controls the components to produce the apparatus action dependent on the variant of the currently installed circuit board.

Abstract: A printer includes: a printing unit; a processor; and memory storing instructions that, when executed by the processor, causing the printer to perform operations comprising: shifting from a power supply mode to a power saving mode in case that a shift condition from the power supply mode to the power saving mode is met; executing a correction processing group that includes a first correction process in case that a first execution condition is met, and a second correction process unit in case that a second execution condition is met after the execution of the first correction process is completed; and delaying the shifting from the power supply mode to the power saving mode until completion of the second correction process, when both execution condition are met and when the execution of the first correction process has started and the execution of the second correction process is not completed.

Abstract: A printing system is operable to enable a printing apparatus to continue a printing of a print job by using printing media of a second supply source after using printing media of a first supply source without expending all of printing media of the first supply source. The printing media included in the first supply source are the same size and type as the printing media included in the second supply source.

Abstract: An image processing apparatus controls a fixing temperature of a fixing device which fixes an image to be formed. The apparatus obtains an attribute of each page included in a print job including a plurality of pages. Then, the apparatus controls a fixing temperature for each page, based on a change of the obtained attribute by the obtaining unit between continuous pages. In a case where there is a change of a printing mode between the continuous pages, the apparatus sets a fixing temperature of a preceding page according to the change close to a fixing temperature of a following page.

Abstract: A multifunction print device and a method of using the multifunction device is disclosed. The multifunction print device includes a user interface comprising at least one input mechanism configured to transmit a user request to enter at least one of a print mode and a non-print mode; a plurality of elements configured to be in either an active or inactive state, wherein the elements comprise one or more first elements configured to perform printing functions and one or more second elements configured to perform non-printing functions; and a control system configured to, in response to a user request to enter non-print mode, switch the one or more second elements from an inactive state to an active state while keeping the one or more second elements in an inactive state.

Abstract: An image forming portion of an image forming apparatus is configured to form a toner image on a recording medium such that a relationship of M???L/(30?3) is satisfied, where a volume average particle size of toner is L (?m), density of the toners is ? (g/cm3), and a maximum toner laid quantity per unit area of a single color toner image on a recording medium is M (mg/cm2). The toner image formed by the image forming portion is fixed on the recording medium by a fixing nip portion by being heated and applied a force in a direction of a plane of the recording medium.

Abstract: A data processing apparatus, connected to a printing apparatus, that transfers print data to the printing apparatus and performs a status display of the printing apparatus, the data processing apparatus comprising: a first determination unit adapted to determine a processing status of the print data; a second determination unit adapted to determine the presence/absence of a warning status based on a status notified from the print apparatus; and a message display unit adapted to display a warning based on the determination made by the second determination unit, in accordance with the processing status of the print data as determined by the first determination unit.

Abstract: A printing system is operable to enable a printing apparatus to continue a printing of a print job by using printing media of a second supply source after using printing media of a first supply source without expending all of printing media of the first supply source. The printing media included in the first supply source are the same size and type as the printing media included in the second supply source.

Abstract: An image forming apparatus includes: an image bearing member; an image forming portion; an intermediary transfer member; a transfer member; an executing portion capable of executing a first mode in which a transfer voltage based on a current detected when a predetermined voltage is applied to the transfer member is applied to the transfer member and capable of executing a second mode in which a transfer voltage is applied to the transfer member to provide a predetermined constant-current; and a controller enabling transition between a stand-by state where the image formation is enabled and a sleep state less than in power consumption than the stand-by state. The controller executes the first mode in a job after main switch actuation and before the transition to the sleep state, and executes the second mode in an initial job after the transition from the sleep state to the stand-by state.

Abstract: A developing device includes a development roller, a magnetic roller, a transformer, a switching portion, output control portion and a capacitor. The development roller is opposite a photoconductor drum. The magnetic roller performs, with a magnetic brush, the supply of a toner to the development roller and the removal of the toner. The transformer generates an alternating-current voltage applied to the development roller. The switching portion passes and interrupts a current to the transformer. The output control portion stepwise changes, when a duty ratio in switching is changed, the duty ratio a plurality of times from a first duty ratio to a second duty ratio. The capacitor has one end connected to the transformer and the other end connected to the switching portion.

Abstract: This invention relates to a printing system configured to output printing media having undergone print processing by a print apparatus to a plurality of destinations including a specific destination which has a structure allowing an operator to take out the printing media. In the system, output of printing media to the specific destination is restricted while the operator takes out the printing medium outputted to the specific destination, and in case that the number of printing media necessary for a job processed by the print apparatus is smaller than a predetermined number, the system is controlled not to output to the specific destination a printed material formed from printing media smaller in number than the predetermined number. This invention can achieve efficient printing by controlling not to stop the print operation of the system as much as possible.

Abstract: An imaging device, including one or more imaging units for use in transferring toner to media sheets, one of the imaging units being a black imaging unit for transferring black toner; a media transport path having a duplex path, the duplex path having at least one set of rollers for independently moving media sheets through the duplex path; and a controller operatively coupled to the one or more imaging units and the media transport path, for staging one or more media sheets in the duplex path for a period of time. The period of time results in an increase in the interpage gap which may be utilized while the imaging device interrupts a printing operation to perform any of a number of operations.

Abstract: According to an embodiment, there is provided an image forming apparatus that forms a color image using a plurality of discolorable coloring materials and a plurality of non-discolorable coloring materials. In a case where insufficiency of at least one coloring material from among the plurality of discolorable coloring materials and the plurality of non-discolorable coloring materials is detected, the image forming apparatus performs color image formation using the plurality of discolorable coloring materials and the plurality of non-discolorable coloring material in combination.

Abstract: A printing apparatus that executes printing by using a recording material includes an accepting unit which accepts an instruction from a user, a receiving unit which receives a command from an external device, a first shifting unit to shift the printing apparatus to a state in which the user can supply the recording material according to the instruction accepted by the accepting unit, and a second shifting unit configured to shift the printing apparatus to a state in which the user can supply the recording material according to the command received by the receiving unit. In a case where the printing apparatus is shifted by one of the first shifting unit and the second shifting unit, the printing apparatus is no longer shifted by the other one of the first shifting unit and the second shifting unit.

Abstract: An image forming apparatus includes a plurality of optical scanning devices, a mode receiver, a temperature condition judger and a temperature adjuster. In the case of forming an image using one optical scanning device, the temperature adjuster drives motors of unused optical scanning devices at a first rotation speed if a predetermined temperature condition is satisfied and drives the motors of the unused optical scanning devices at a second rotation speed slower than the first rotation speed if image formation is finished during the drive at the first rotation speed.

Abstract: An image forming apparatus includes a plurality of optical scanning devices, a job receiver, a job executor, an image discriminator, a temperature condition judger and a temperature adjuster. When a formation-target image is a single-color image and an image to be formed next is a multi-color image, the temperature adjuster drives a motor of one optical scanning device at a second rotating speed slower than a rotating speed during an image forming operation and drives motors of unused optical scanning devices at a third rotating speed faster than the second rotating speed if a temperature condition is satisfied upon the completion of an image forming operation of the single-color image.

Abstract: An image processing apparatus includes an image-processing designating unit that allows a user to designate predetermined image processing to be applied to image data for generating a preview image that represents a state of an output image before image output; a preview-image generating unit that generates a preview image in accordance with the designated image processing; a preview-image display unit that displays the preview image generated by the preview-image generating unit; and a display-mode switching control unit that, when the preview image is displayed, switches to a display mode with an enhanced viewability relative to a power-saving display state in accordance with a content of the designated image processing.

Abstract: An image forming apparatus includes a feeding delay control unit to control a delay in feeding image formation media to a conveying unit and a counting unit to count a number of image formation media discharged to a discharge tray. When a count value of the counting unit reaches a threshold, the feeding delay control unit causes a feeding unit to switch a feeding mode from a small spacing mode, in which a next image formation medium is fed while a previously-fed image formation medium is on a conveying path, to a large spacing mode, in which an image formation medium is fed after a previously-fed image formation medium is discharged from the conveying path. When a number of image formation media on which images have been formed is smaller than a upper limit, the feeding mode is returned from the large spacing mode to the small spacing mode.

Abstract: A control method of an image forming apparatus which is connected to an external apparatus, supports a resource saving mode, and outputs document data is provided. The control method includes: selecting the document data to be output, selecting an output option to be applied to the selected document data, comparing a resource saving value corresponding to the output option to be applied to the document data and a resource saving set value which is pre-set in the image forming apparatus, displaying at least one suggestion option to save resources of the document data according to a result of comparison, and selecting one of the displayed suggestion option and outputting the document data.

Abstract: A processor places a printer apparatus in a reduced activity mode after printing requests have not been received for an “inactivity” time period. A belt support device rotates a photoreceptor belt at a reduced speed when the printer apparatus enters the reduced activity mode and for a “delay” time period after the printer apparatus enters the reduced activity mode. The belt support device returns the rotational speed of the photoreceptor belt to the original speed if a new printing request is received during the delay time period. However, the belt support device stops rotation of the photoreceptor belt and reduces the belt tension if the delay time period expires without receiving a new printing request.

Abstract: A control apparatus can control at least one of a first image forming apparatus and a second image forming apparatus connected downstream of the first image forming apparatus. When switching from a first mode to a second mode, if the second image forming apparatus is unable to perform image forming on a second side of a sheet whose first side has undergone image forming in the second image forming apparatus before the second image forming apparatus performs image forming on a second side of a sheet whose first side has undergone image forming in the first image forming apparatus, an order of the sheet whose first and second sides undergo image forming in the second image forming apparatus and the sheet whose first side undergoes image forming in the first image forming apparatus and whose second side undergoes image forming in the second image forming apparatus is not swapped.

Abstract: In an image forming apparatus having various and may functions, in order to easily set a function based on a scanned document, a CPU of an MFP executes a program including: when a document is scanned by a user (YES at S3200), the step of displaying a preview image of the scanned document (S3202); the step of OCR-processing the document data (S3204); when the scanned document has been registered in a document-by-document recommended functions list (YES at S3210), the step of reading the document-by-document recommended functions list from an HDD and displaying the document type and recommended menu on a touch-panel display (S3212); the step of setting the function registered in the recommended functions list in the MFP (S3222) unless the setting of recommended menu is changed (NO at S3218); and the step of executing copy/transmission process based on the set function (S3224).

Abstract: A method for controlling within a printer driver the insertion of tab sheets into a print job. According to one embodiment, sheets of multiple levels are insertable. The printer driver provides at least input fields for entry and display of parameters for the definition of at least one tab sheet, and an interactive area for visualizing the hierarchical structure and the order of the at least one defined tab sheet corresponding to the level of the tab sheet in the print job. Depending on changes of a tab sheet defined by entered parameters, the visualization of the hierarchical structure and the order of the at least one defined tab sheet in the print job is updated in the interactive area.

Abstract: An image processing apparatus includes a plurality of drive units, a control unit, and an operation information input unit. The plurality of drive units drive based on electric power supplied. The control unit shifts the plurality of drive units to a power saving state or a normal state. The operation information input unit is sequentially input first operation information indicating a start of a process and second operation information indicating a process content. The control unit shifts the plurality of drive units to the normal state when the first operation information is input to the operation information input unit with the plurality of drive units being in the power saving state. The control unit shifts a particular drive unit to the power saving state based on the second operation information when the second operation information is input.

Abstract: An image forming apparatus includes an image forming unit, a first sheet stack portion, a sheet output section, and a post processing unit. The image forming unit forms an image on a sheet. The first sheet stack portion is provided at an upper face of the image forming unit. The sheet output section outputs the sheet on which the image is formed by the image forming unit from one side of the image forming apparatus to the first sheet stack portion. The post processing unit is provided adjacent to a lateral side of the image forming unit at an upstream side of the sheet output section to execute post processing on the sheet. A sheet subjected to post-processing by the post-processing unit is output to the first sheet stack portion from the same direction as a sheet not subjected to post-processing by the post-processing unit.

Abstract: In a printing device, the conveying mechanism has a first path from a accommodating unit to the printing position and a second path that conveys the sheet that has once passed through the printing position to the printing position in an inverted state. The controller controls the conveying mechanism to perform an automatic duplex print. Printing on the one side is executed by using the first path and printing on the another side is executed by using the second path. The another side printing error disables printing of an image, by using the second path, on the another side of the sheet, whose one side has already been printed. When the another side printing error occurs, the controller controls the conveying mechanism to convey, through the first path, a sheet and controlling the printing unit to print the image on the sheet based on the set of image data to be printed on the another side.

Abstract: An image forming apparatus may include a main body, an endless belt, and a drum unit. The drum unit may support a black photosensitive drum and color photosensitive drums in a mounting direction. The black photosensitive drum may include a first axis in an axial direction perpendicular to the mounting direction. Each color photosensitive drum may have a second axis extending parallel to the axial direction. The black photosensitive drum may be disposed at a position nearest to a first end of the drum unit. A second end of the drum unit may be pivotable about the first axis between initial and pivot positions. The photosensitive drums contact the endless belt when the drum unit is in the initial position. The black photosensitive drum contacts the endless belt and the color photosensitive drums are separated from the endless belt when the drum unit is in the pivot position.

Abstract: An image forming apparatus includes a first and second ejection portions, a first and second conveying paths, a branch portion connecting the first conveying path with the second conveying path, a switching member movable between a first and second positions, a drive unit that moves the switching member from the first position to the second position or vice versa, a reference position setting unit setting the reference position of the switching member in an initial state, and a control unit controlling the drive unit such that the switching member in the initial state is positioned at the reference position set by the unit.

Abstract: A printing device is provided with a printing unit configured to print images on sheets, a plurality of discharge trays configured to receive printed sheets, a detection unit configured to detect a switching instruction to switch among the plurality of discharge trays, and a discharge control unit. The discharge control unit stops a currently executed print job, selects one of following print jobs which does not designate a currently used discharge tray, and switches the discharge trays such that a discharge tray other than the currently used discharge tray as a selected discharge tray to be used, starts the selected one of following print job using the selected discharge tray, when the detection unit detects the switching instruction.

Abstract: The present invention provides a printing system provided with a printing apparatus and a post-processing apparatus, and a control method thereof, wherein, when an instruction is given to execute an off-line job in which a post-process by the post-processing apparatus is performed without printing by the printing apparatus (S11), a screen for selecting an off-line job using the post-processing apparatus can be displayed by the second user interface of the post-processing apparatus and the off-line job can be selected (S12), and, in response to an instruction to start the off-line job from the first user interface of the printing apparatus (S16), the off-line process is executed (S17 and S18).

Abstract: Under a contention between a copy job and a print job, it is possible that a general user misunderstands that the payment he has made for the copy job is mistakenly used on the print job requested by another user. One solution to avoid such undesirable possibility is to display information indicating that the billing process is correctly done. Yet, the general user may fail to notice the display. In view of this, a billing and printing system prevents occurrence of job contention as long as the balance of payment made by a general user remains. An MFP included in the system does not accept any print job if a balance of received payment remains, and does not accept any payment if there is a queued print job.

Abstract: In a system configured to enable a printing unit to execute another job preferentially to a job not prepared for printing, when no predetermined time has elasped from a timing in which it has been determined that the job was not prepared for printing, it is inhibited to execute the other job preferentially to the job. When the predetermined time has elapsed from the timing, it is permitted to execute the other job preferentially to the job. This configuration can prevent unconditionally executing the another job preferentially to the job not prepared for printing.

Abstract: A method and apparatus for generating an options enablement sheet to activate options for an image production device is disclosed. The method may include receiving a request to generate an options enablement sheet, receiving options enablement and image production device information, encoding the options enablement and image production device information into one or more machine-readable markings, generating an options enablement sheet that includes the one or more machine-readable markings, receiving a transmission mode selection, and transmitting the options enablement sheet to a user of the image production device using the selected transmission mode. The options enablement sheet may be received by a user and scanned by the image production device to activate the options.

Abstract: A method of printing a job having a type using an electrophotographic (EP) printer includes receiving the job and its type. A processor is used to automatically select a first or a second job mode based on the job type; the first job mode indicates aggressive gray component replacement (aGCR) is used but not clear toner, and the second job mode indicates clear toner is used but not aGCR. The data of the job are processed using the processor according to the selected job mode to provide six separations corresponding to respective colorants. Toner corresponding to the six separations is then applied to the receiver using at least one EP printing module in the EP printer to produce a print image of the job.

Abstract: An image processing device comprises an image data input means 2, an image data storage means 12 for storing the image data being input, an image data processing means 6 having multiple processing modes for outputting the stored image data, and a image data erasing means for erasing the image data stored in the storage means 12. The device further comprises erase count control means 8, 14 for controlling the number of times for erasing image data capable of having the number of times of erase set arbitrarily according to the security level required for each mode, and capable of having the set number of times of erase changed in mid-flow. Confidentiality is protected by performing erase operations repeatedly to the region storing the unnecessary image data according to the security level.

Abstract: Disclosed an image forming system including: an image forming section to perform an image forming processing to form an image on a sheet to eject the image-formed sheet to an sheet ejection section; a control section to control the image forming processing by the image forming section; a specify section to specify the number of units for stop in a temporary stop mode in which the image forming processing by the image forming section is temporarily stopped, wherein the control section allows the image forming section to stop the image forming processing when the image forming processing by the image forming section reaches the number of units for stop specified with the specify section.

Abstract: A printing control system includes: operation means configured to enter a first printing condition including information on the number of page images to be printed on one printing sheet and the total number of page images to be printed; display means; and control means. The control means compare ratios of reduction in the usage of printing sheets provided by the one or more second printing conditions to a preset threshold value, and sets the first printing condition as the final printing condition when the ratios of reduction in the usage of printing sheets provided by the one or more second printing conditions are less than the threshold value while causing the display means to display the one or more second printing conditions when the ratios of reduction in the usage of printing sheets provided by the one or more second printing conditions are not less than the threshold value.

Abstract: A method and apparatus for confirming attributes of media loaded in a media tray in an image production device is disclosed. The method may include determining which media tray of one or more media trays is being loaded with media using one or more media tray sensors, displaying a graphical representation of the media tray being loaded to a user on a user interface, prompting the user to enter and confirm attributes of the media being loaded into the media tray through the user interface, determining if confirmation has been received from the user interface, wherein if it is determined that the confirmation has been received from the user interface, storing the confirmed attributes for the determined media tray in a memory, and processing print jobs using the stored media tray attributes.

Abstract: An image processing apparatus is installed with service software for controlling settings of a plurality of devices that performs functions related to image processing. The image processing apparatus is also installed with an application that issues instruction information indicating an instruction related to at least one of the functions. The image processing apparatus includes a specifying unit that specifies service software corresponding to the instruction based on the instruction information and specifies setting information to be set for the service software, and a sending unit that sends the setting information to the service software specified by the specifying unit.

Abstract: An image forming apparatus that performs a plurality of functions includes: a display which displays a menu screen or a function instruction screen, the menu screen being used for selecting one of the plurality of functions, and the function instruction screen corresponding to each of the functions and being used for executing the corresponding function; an operating section which accepts an operation relating the selected function from a user; a detecting section which detects that an operation relating to the selected function has not been performed for a predetermined amount of time; and a controller which controls a screen transition to change the screen of the display to an initial screen of the function instruction screen corresponding to the selected function, when the detecting section detects that the operation has not been performed for the predetermined amount of time.