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:
Jul. 09, 2024

Filed:

Jan. 27, 2023
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Ryo Morihara, Tokyo, JP;

Kensuke Umeda, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/08 (2006.01); G03G 21/12 (2006.01); G03G 21/16 (2006.01);
U.S. Cl.
CPC ...
G03G 21/12 (2013.01); G03G 15/0863 (2013.01); G03G 15/0886 (2013.01); G03G 15/556 (2013.01); G03G 21/1633 (2013.01); G03G 21/1647 (2013.01);
Abstract

An image forming apparatus to and from which a replenishment container accommodating toner is detachable and which forms an image on a recording material includes an apparatus body, and a cartridge including an image bearing member, a developer container to accommodate toner, and a developing portion to develop an electrostatic latent image formed on the image bearing member into a toner image by using the toner. A replenishment port allows replenishment of toner from the replenishment container, which is arranged outside of the image forming apparatus, to the developer container therethrough in a state where the replenishment container is attached to the replenishment port, and a controller notifies a user of information related to a toner amount if it is determined that a lifetime of the cartridge will expire before a sum of toner accommodated in the developer container and toner accommodated in the replenishment container is consumed.


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