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:
Mar. 21, 2017

Filed:

Jan. 29, 2015
Applicants:

Masahiro Samei, Osaka, JP;

Tomoya Adachi, Osaka, JP;

Daisuke Inoue, Osaka, JP;

Yasuharu Kawarasaki, Hyogo, JP;

Yoshiharu Takahashi, Osaka, JP;

Inventors:

Masahiro Samei, Osaka, JP;

Tomoya Adachi, Osaka, JP;

Daisuke Inoue, Osaka, JP;

Yasuharu Kawarasaki, Hyogo, JP;

Yoshiharu Takahashi, Osaka, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

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

An image forming apparatus includes a controller including a primary heating control portion that determines a first amount of power supplied to a heater based on a temperature of a fixing rotator detected by a temperature detector and controls the heater to perform a primary heating to heat the fixing rotator with the first amount of power, a secondary heating control portion that controls the heater to perform a secondary heating to heat the fixing rotator with a preset second amount of power, and a switch portion that controls the heater to switch between the primary heating and the secondary heating during an identical print job without changing a target temperature of the fixing rotator.


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