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:
May. 05, 2015

Filed:

Feb. 07, 2014
Applicants:

Hiroyuki Sugiyama, Kanagawa, JP;

Jun Yura, Kanagawa, JP;

Masaki Sukesako, Ibaraki, JP;

Hironobu Takeshita, Kanagawa, JP;

Takuya Suganuma, Kanagawa, JP;

Takeshi Uchitani, Kanagawa, JP;

Hiroki Ishii, Kanagawa, JP;

Inventors:

Hiroyuki Sugiyama, Kanagawa, JP;

Jun Yura, Kanagawa, JP;

Masaki Sukesako, Ibaraki, JP;

Hironobu Takeshita, Kanagawa, JP;

Takuya Suganuma, Kanagawa, JP;

Takeshi Uchitani, Kanagawa, JP;

Hiroki Ishii, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 21/20 (2006.01);
U.S. Cl.
CPC ...
G03G 21/20 (2013.01); G03G 15/55 (2013.01);
Abstract

An image forming apparatus capable of continuous image formation on multiple pages includes an image bearer to bear an image, a latent image forming unit to form a latent image on the image bearer, a developing device to develop the latent image with toner, a temperature sensor to detect temperature inside the developing device or adjacent to the developing device, a controller to impose a limit on a quantity of pages in continuous image formation and cancel the limit according to a detection result generated by the temperature sensor, and a report unit to report time data indicating when the limit is imposed.


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