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. 18, 2014

Filed:

May. 25, 2011
Applicant:

Koji Fujii, Osaka, JP;

Inventor:

Koji Fujii, Osaka, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/16 (2006.01); G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

A multifunction peripheral includes: development units of respective colors; an intermediate transfer belt; a transfer roller; a movement mechanism that moves the intermediate transfer belt in a direction of coming in contact with and separating from a magenta development unit and the like; a concentration sensor; a control part that causes the magenta development unit and the transfer roller to form a toner pattern on the intermediate transfer belt; and a determination unit that determines that the pressing state of the magenta development unit and the like and the intermediate transfer belt is normal when the toner pattern concentration detected by the concentration sensor after the toner pattern is transferred to the intermediate transfer belt has reached a predetermined concentration value.


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