The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 18, 2022

Filed:

Dec. 13, 2021
Applicant:

Toshiba Tec Kabushiki Kaisha, Tokyo, JP;

Inventor:

Norio Kurosawa, Mishima Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); G03G 15/00 (2006.01); G06K 15/00 (2006.01); G06K 15/12 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2042 (2013.01); G03G 15/205 (2013.01); G03G 15/2039 (2013.01); G03G 15/5062 (2013.01); G03G 2215/00569 (2013.01); G03G 2215/00759 (2013.01); G06K 15/129 (2013.01); G06K 15/408 (2013.01);
Abstract

An image forming device includes an image forming unit, a fuser, a memory, and a control circuit. The image forming unit forms an image on a recording medium with a decolorable toner based on image data. The decolorable toner decolorizes at a first temperature and does not decolorize at a second temperature that is lower than the first temperature. The fuser has a plurality of regions extending in a direction orthogonal to a direction of conveyance of the recording medium. The fuser generates heat in each of the plurality of regions to fuse the image onto the recording medium. The memory stores a correspondence between the plurality of regions and positions of a plurality of areas positioned along a main scanning direction in the image data. The control circuit changes the correspondence based on a degree of color development or decolorization of the image.


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