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:
Jun. 09, 2009

Filed:

Jan. 20, 2006
Applicants:

Masanao Ehara, Saitama, JP;

Ippei Fujimoto, Kawasaki, JP;

Shinichi Namekata, Yokohama, JP;

Hiroshi Yoshinaga, Ichikawa, JP;

Hirofumi Ogawa, Kawasaki, JP;

Tadashi Ogawa, Kawasaki, JP;

Hiroyuki Shimada, Tokyo, JP;

Inventors:

Masanao Ehara, Saitama, JP;

Ippei Fujimoto, Kawasaki, JP;

Shinichi Namekata, Yokohama, JP;

Hiroshi Yoshinaga, Ichikawa, JP;

Hirofumi Ogawa, Kawasaki, JP;

Tadashi Ogawa, Kawasaki, JP;

Hiroyuki Shimada, Tokyo, JP;

Assignee:

Ricoh, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image forming device whereby stable fixing performance is obtained and whose fixing properties are excellent and that does not produce curling of the paper after fixing, due to performing control for correcting fixing temperature by environmental sensing not only during standby but also over time. A plurality of temperature detecting units are provided in the fixing device and a plurality of detecting units that detect temperature and humidity are provided within the image forming device. Temperature correction is performed whereby the target control temperature of the fixing device is changed to a prescribed value in accordance with the temperature or humidity detected by the plurality of detecting units.


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