Abstract: An image forming apparatus comprises an image forming section which forms an image on an image receiving medium with a color material; a heating member which heats the image receiving medium; a heater which heats the heating member; a sensor which detects a temperature of the heating member; and a controller which executes a print job for forming an image on the image receiving medium with the image forming section and fixing the image on the image receiving medium with the heating member and a decoloring job for decoloring the image on the image receiving medium with the heating member and interruptedly executes an executable job in a state of stopping output of the heater if the temperature of the heating member is higher than a temperature control range of a job of which priority is highest and there is the executable job at the temperature of the heating member.

Abstract: An image erasing apparatus includes an erasing unit, a reading unit, and a control unit. The erasing unit erases an image formed in a recording medium. The reading unit reads control information included in the image. The control unit determines whether or not to erase the image using the erasing unit on the basis of date information included in the control information.

Abstract: An image forming apparatus includes a scanning unit configured to scan a surface of a sheet, a controller configured to determine a number of times the surface of the sheet has been subject to an image erasing process based on the scanned surface, and calculate a fee to be charged for forming a new image on the surface based on the determined number, and an image forming unit configured to form the new image on the surface of the sheet.

Abstract: According to one embodiment, an image forming apparatus having an image erasing function to erase an image formed on a recording medium. The apparatus has a heating unit to erase an image, a conveying unit, and a control unit. The control unit controls the conveying unit, when the image is erased, and also when a heating temperature of the heating unit is lower than an erasing temperature, to make the recording medium once stand by at a position in the middle of a conveying path of the conveying unit, and then to convey the recording medium to the heating unit.

Abstract: An image forming apparatus according to an embodiment includes an image forming unit configured to form an image on a sheet using a plurality of decolorable color toners, wherein the decolorable color toners each have a preset fixing temperature and a preset decoloring temperature higher than the corresponding preset fixing temperature. The image forming apparatus further comprises a fixing unit configured to heat and apply pressure to the sheet having the image formed thereon to fix the image on the sheet, and a fixing temperature controller configured to control a fixing temperature of the fixing unit to be higher than or equal to a highest temperature among each of the preset fixing temperatures and to be lower than each of the preset decoloring temperatures.

Abstract: An image forming apparatus according to an embodiment includes an image forming unit configured to form an image on a sheet using a plurality of decolorable color toners, wherein the decolorable color toners each have a preset fixing temperature and a preset decoloring temperature higher than the corresponding preset fixing temperature. The image forming apparatus further comprises a fixing unit configured to heat and apply pressure to the sheet having the image formed thereon to fix the image on the sheet, and a fixing temperature controller configured to control a fixing temperature of the fixing unit to be higher than or equal to a highest temperature among each of the preset fixing temperatures and to be lower than each of the preset decoloring temperatures.

Abstract: According to the present invention, an image forming apparatus which performs a printing job and an erasing job is provided. Included is a control unit which, in a case of performing the other job after any one of the printing job and the erasing job, controls a transporting unit of the sheet so that the sheet for the other job is transported to a predetermined standby position from a sheet feeding unit while the one job is performed.

Abstract: According to embodiments, an image forming apparatus and an image erasing apparatus are disclosed. The image forming apparatus receives a degree of freedom regarding whether to erase an image and forms the image using an erasable color material corresponding to the degree of freedom. The image erasing apparatus receives a degree of freedom regarding whether to erase an image and erases the image under the erasing process condition corresponding to the degree of freedom.

Abstract: According to the embodiments, there is provided an image forming apparatus and an image erasing apparatus. The image forming apparatus forms, on a recording medium, an image showing the color material information about the erasing temperatures of a plurality of erasable color materials used for forming an image to be printed together with the image to be printed. The image erasing apparatus heats the plurality of erasable color materials to the highest erasing temperature or higher in the different erasing temperatures of the erasable color materials forming the image printed on the recording medium in order to erase the erasable color materials forming the image.

Abstract: An image erasing apparatus includes an erasing unit, a reading unit, and a control unit. The erasing unit erases an image formed in a recording medium. The reading unit reads control information included in the image. The control unit determines whether or not to erase the image using the erasing unit on the basis of date information included in the control information.

Abstract: According to the embodiments, there is provided an image forming apparatus and an image erasing apparatus. The image forming apparatus forms, on a recording medium, an image showing the color material information about the erasing temperatures of a plurality of erasable color materials used for forming an image to be printed together with the image to be printed. The image erasing apparatus heats the plurality of erasable color materials to the highest erasing temperature or higher in the different erasing temperatures of the erasable color materials forming the image printed on the recording medium in order to erase the erasable color materials forming the image.

Abstract: According to embodiments, an image forming apparatus and an image erasing apparatus are disclosed. The image forming apparatus receives a degree of freedom regarding whether to erase an image and forms the image using an erasable color material corresponding to the degree of freedom. The image erasing apparatus receives a degree of freedom regarding whether to erase an image and erases the image under the erasing process condition corresponding to the degree of freedom.

Abstract: According to the present invention, an image forming apparatus which performs a printing job and an erasing job is provided. Included is a control unit which, in a case of performing the other job after any one of the printing job and the erasing job, controls a transporting unit of the sheet so that the sheet for the other job is transported to a predetermined standby position from a sheet feeding unit while the one job is performed.

Abstract: An image erasing apparatus includes an erasing unit, a reading unit, and a control unit. The erasing unit erases an image formed in a recording medium. The reading unit reads control information included in the image. The control unit determines whether or not to erase the image using the erasing unit on the basis of date information included in the control information.

Abstract: According to one embodiment, an image forming apparatus having an image erasing function to erase an image formed on a recording medium. The apparatus has a heating unit to erase an image, a conveying unit, and a control unit. The control unit controls the conveying unit, when the image is erased, and also when a heating temperature of the heating unit is lower than an erasing temperature, to make the recording medium once stand by at a position in the middle of a conveying path of the conveying unit, and then to convey the recording medium to the heating unit.

Abstract: An image erasing apparatus includes an erasing unit, a reading unit, and a control unit. The erasing unit erases an image formed in a recording medium. The reading unit reads control information included in the image. The control unit determines whether or not to erase the image using the erasing unit on the basis of date information included in the control information.

Abstract: According to an embodiment, an image forming device has a printing unit for printing an image on a sheet, a holding unit for holding the sheet that has been printed by the printing unit, a recovery unit for recovering the sheet from the holding unit, an erasing unit for erasing the image on the sheet recovered by the recovery unit, and a control unit configured to command the recovery unit to recover the sheet held by the holding unit if a predetermined condition is met.

Abstract: According to an embodiment, an image forming device has a printing unit for printing an image on a sheet, a holding unit for holding the sheet that has been printed by the printing unit, a recovery unit for recovering the sheet from the holding unit, an erasing unit for erasing the image on the sheet recovered by the recovery unit, and a control unit configured to command the recovery unit to recover the sheet held by the holding unit if a predetermined condition is met.

Abstract: Certain embodiments provide an image forming apparatus including a determination part, a display part, an image processing part, an image forming part, an inversion conveyance part, a finishing part and a main control part. The determination part determines whether image data is digital book data. If the image data is the digital book data, the display part displays a digital book print mode. The image processing part arithmetically processes the digital book data. The image forming part forms an image on a sheet. The inversion conveyance part inverts the sheet on one side of which the image is formed and conveys the sheet to the image forming part. The finishing part finishes the sheet to which the image is formed. The main control part automatically controls at least one of the image processing part, the inversion conveyance part and the finishing part specified based on the digital book print mode.

Abstract: The present invention can print out operating instructions, HELP documents, the latest image forming apparatus information, support and maintenance information, advertisements about new models and services, and the like without incrementing a charging counter. Without caring about the charging, users can print out operating instructions, HELP documents, the latest image forming apparatus information, support and maintenance information, advertisements about new models and services, and the like.