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.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
Aug. 07, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Shingo Ito, Tokyo, JP;
Masahiro Suetsugu, Kanagawa, JP;
Keitaro Nakata, Shizuoka, JP;
Takuya Oka, Kanagawa, JP;
Hisashi Taniguchi, Shizuoka, JP;
Shimpei Ishikawa, Kanagawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is an image forming apparatus, including: an accommodation chamber for developer; a photosensitive drum; notification unit for making a notification to a user, and a control unit for controlling the notification unit. A replenishment container for developer is detachably attached to the accommodation chamber. The notification unit makes a first notification indicating that a developer amount in the accommodation chamber is a first state, a second notification indicating that the developer amount is a second state smaller than in the first state, and a third notification indicating that the developer amount is a third state smaller than in the second state. The image forming apparatus is capable of operating in a first mode and a second mode. The notification unit makes the notifications in an order of the first, second, and third notifications as consumption of the developer progresses.