Kabushiki Kaisha Toshiba

Toshiba Tec Kabushiki Kaisha

Setsuo Takada

Noboru Furuyama

Hiroshi Katakura

Hiroshi Ishii

Chie Miyauchi

Yoshiaki Okano

Masaya Tanaka

Satoshi Itaya

Katsutoshi Mita

Naomi Nakane

Yukio Futamata

Taizo Nozawa

According to one embodiment, an image forming apparatus includes a printer configured to form an image on a sheet at a carrying speed, a first reading/writing unit configured read tag information stored in a wireless tag disposed on the sheet and to write tag information to the wireless tag, a reading/writing control unit configured to control the first reading/writing unit to read tag information stored in the wireless tag and to write tag information to the wireless tag, and a printer control unit configured to control the carrying speed of the sheet according to a total number of wireless tags disposed on the sheet.

Image forming apparatus and control method

An image forming apparatus includes a first image forming unit configured to form an image with a decolorable material, a second image forming unit configured to form an image with a non-decolorable material, an RFID processor configured to write data in an RFID tag, a memory unit for storing a table indicating one or more attributes associated with the decolorable material and one or more attributes associated with the non-decolorable material, and a controller configured to control the first image forming unit to carry out image forming on a medium including the RFID tag for information of which attribute is associated with the decolorable material in the table, and control the second image forming unit to carry out image forming on the medium for information of which attribute is associated with the non-decolorable material in the table.

Image forming apparatus that forms an image with a decolorable material on an RFID tag

In accordance with an embodiment, a character recognition apparatus comprises a decolorization control section configured to carry out a decolorization processing for a sheet; an image reading control section configured to carry out an image reading processing for the sheet to which the decolorization processing is carried out; and a character recognition processing section configured to carry out a character recognition processing for a decolorized image read through the reading processing after the decolorization processing is carried out or for a generated image generated according to the decolorized image.

Character recognition apparatus and character recognition method

A fixing device includes a fixing unit configured to fix an image on a sheet with heat when the sheet passes through a nip formed in the fixing unit, a temperature detection unit disposed adjacent to the fixing unit, and a control unit configured to change a maximum amount of power that is suppliable to the fixing unit from a first value to a second value that is smaller than the first value, based on a temperature detected by the temperature detection unit.

Fixing device and image forming apparatus having the same

An erasing apparatus includes a conveyance path configured to convey a sheet on which an image is formed with a coloring agent which is erased by heating. A first erasing unit is disposed on the conveyance path and is configured to heat the sheet when the sheet is conveyed between a first heating component and a first press component. A second erasing unit is disposed on the conveyance path downstream from the first erasing unit and is configured to heat the sheet when the sheet is conveyed between a second heating component and a second press component. A control section is configured to control a temperature of the first heating component at a first temperature at which the image on the sheet can be erased and to control a temperature of the second heating component at a second temperature lower than the first temperature.

Erasing apparatus

An embodiment provides an image forming apparatus including: a job acquiring unit that acquires an image forming job that gives instructions for performing forming of an image; an image forming process control unit that controls performance of the image forming job that the job acquiring unit acquires; a temperature information acquiring unit that acquires information showing temperature of the heating rotary body; a determining unit that determines whether the temperature of the heating rotary body which is acquired by the temperature information acquiring unit is equal to or higher than a predetermined stand-by temperature set as a temperature in a stand-by state that stands by to perform the image forming process, when the image forming process is completed, based on the image forming job by the image forming process control unit; and a fixing device control unit.

Image forming apparatus, control method, and recording medium

According to one embodiment, an image forming apparatus includes an image forming section configured to form a toner image on a medium, a fixing device including a heating member configured to heat the medium and a pressurizing member configured to come into contact with the heating member via the medium and heat the medium, and a control section configured to stop, if the temperatures of the heating member and the pressurizing member deviate from a predetermined temperature range, the image forming operation, separate the heating member and the pressurizing member, and control the respective temperatures within the predetermined temperature range.

Image forming apparatus, image forming method, and fixing apparatus

An image forming apparatus having a fixing devicethat includes a fixing roller, a center coilfor induction heating a substantially central part in the axial direction of the fixing roller, side coilsfor induction-heating end parts in the axial direction of the fixing roller, induction heating power sourceswhich supply a high-frequency pulse voltage to these coils, and a power control circuitwhich variably controls output power of the induction heating power sourcesso that the output power increases or decreases stepwise on a predetermined cycle, and has a function of selectively setting maximum power supply and a function of selectively setting the output power variance cycle.

Growing community of inventors

Izunokuni Shizuoka, Japan

Setsuo Takada