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:
Dec. 14, 2010

Filed:

Dec. 11, 2008
Applicants:

Toru Hayase, Toyokawa, JP;

Kuniya Matsuura, Toyohashi, JP;

Yuusuke Okuno, Toyokawa, JP;

Kentaro Katori, Toyokawa, JP;

Hiromasa Ueno, Toyohasi, JP;

Hideaki Hayashi, Toyokawa, JP;

Inventors:

Toru Hayase, Toyokawa, JP;

Kuniya Matsuura, Toyohashi, JP;

Yuusuke Okuno, Toyokawa, JP;

Kentaro Katori, Toyokawa, JP;

Hiromasa Ueno, Toyohasi, JP;

Hideaki Hayashi, Toyokawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A potential difference between the photoreceptor and the development roller is set at a value at which the normally charged toner on the development roller can be flown toward the photoreceptor in the development phase at the time of compulsorily consuming the toner, and this potential difference is set at a value at which the flown normally charged toner can be returned to the development roller in the recovery phase.


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