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. 21, 2024

Filed:

Aug. 15, 2022
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Yasushi Takeuchi, Ibaraki, JP;

Yukari Shibuya, Saitama, JP;

Tatsuya Inoue, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/02 (2006.01); G03G 21/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0258 (2013.01); G03G 21/0023 (2013.01);
Abstract

An image forming apparatus includes a rotatable photosensitive member, a charging member, a developing device, a blade, a detecting portion, and a controller. The controller causes the photosensitive member to rotate through one full circumference or more on the following conditions during a predetermined operation: (i) a voltage which is a discharge start voltage or more is applied to the charging member, and (ii) an operation condition of the developing device is a first condition on which an amount of fog toner deposited from the developer carrying member on the photosensitive member is less than an amount of the fog toner in a second condition which is an operation condition of the developing device during a sheet interval before the image formation during the continuous image formation is interrupted.


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