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:
Aug. 09, 2016

Filed:

Jan. 21, 2015
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Koichi Suzuki, Yokohama, JP;

Yoshitaka Hibi, Mishima, JP;

Hironori Kato, Kawasaki, JP;

Naoki Inoue, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/18 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 7/70141 (2013.01); G03G 21/18 (2013.01); G03G 2221/1892 (2013.01);
Abstract

An image forming apparatus includes a plurality of image forming units that are each configured to be detachably mountable and include an image carrier; an irradiation unit configured to irradiate respective image carriers of the plurality of image forming units with light to form one or more electrostatic latent images along a direction of the rotational driving; a detection unit configured to detect the electrostatic latent images; a determination unit configured to determine mounted states of the plurality of image forming units based on a detection result by the detection unit; and a control unit configured to perform control such that, for each of the image carriers, the electrostatic latent images are not formed on an image carrier in a period in which at least one of the one or more electrostatic latent images is formed on a different image carrier.


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