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:
Apr. 29, 2008

Filed:

Jan. 31, 2006
Applicants:

Hiroshi Inui, Osaka, JP;

Chisato Hatakeyama, Osaka, JP;

Inventors:

Hiroshi Inui, Osaka, JP;

Chisato Hatakeyama, Osaka, JP;

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

An image forming apparatus includes: a transfer belt that is formed of an endless belt; a plurality of image forming units that are so arranged as to be aligned in a transfer belt conveyance direction; a plurality of toner supply containers that are detachably fitted, on one end side in the direction orthogonal to the transfer belt conveyance direction, in correspondence with the plurality of image forming units; an optical sensor that is provided in opposition to the transfer belt; and a cleaning member that is biased toward the one end side in the direction orthogonal to the transfer belt conveyance direction and that cleans a detection surface of the optical sensor in conjunction with replacement operation for one particular toner supply container among the plurality of toner supply containers.


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