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:
Jan. 12, 2016

Filed:

Oct. 31, 2011
Applicants:

Jun Yura, Kanagawa, JP;

Hiroyuki Sugiyama, Kanagawa, JP;

Inventors:

Jun Yura, Kanagawa, JP;

Hiroyuki Sugiyama, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); G03G 15/04 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2039 (2013.01); G03G 15/2078 (2013.01); G03G 15/04027 (2013.01); G03G 2215/0132 (2013.01);
Abstract

An image forming apparatus comprises an image information obtainer that obtains image information, a gradation sequence processor that applies multiple types of gradation sequence processing to the image information, and a toner image formation device that forms a toner image based on the image information. A fixing device is provided to fix the toner image onto a recording medium in a fixing process. A temperature controller is also provided to change a start-up temperature of the fixing device before the fixing process. The start-up temperature is changed in accordance with inclusion of a halftone process and a type of the gradation sequence processing applied to the image information.


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