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:
Jun. 20, 2023

Filed:

Oct. 14, 2021
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Hirotaka Ishii, Shizuoka, JP;

Kenji Abe, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/18 (2006.01); G03G 15/08 (2006.01); G03G 15/16 (2006.01);
U.S. Cl.
CPC ...
G03G 21/1821 (2013.01); G03G 15/0868 (2013.01); G03G 15/1615 (2013.01); G03G 21/185 (2013.01); G03G 21/1814 (2013.01);
Abstract

An image forming apparatus forms an image on a recording material and includes an apparatus body, a first process cartridge including a first photosensitive member and a first developing roller to supply first toner to the first photosensitive member, with the first process cartridge being detachably attached to the apparatus body, and a toner cartridge to accommodate the first toner and detachably attached to the apparatus body independently from the first process cartridge. A second process cartridge includes a second photosensitive member and a second developing roller to supply second toner to the second photosensitive member, with the second process cartridge being detachably attached to the apparatus body and configured not to be replenished with the second toner in a state where the second process cartridge is attached to the apparatus body.


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