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. 02, 2025
Filed:
May. 10, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes an image bearing member, a charging member, a charging voltage applying portion, an exposure unit, a developing member, a developing voltage applying portion, a cleaning member, and a controller. During a non-image forming operation from a start of rotation of the image bearing member to a start of an image forming operation or from an end of the image forming operation to a stop of the rotation of the image bearing member, in a contact rotation state of the developing member with the image bearing member, the controller effects control so as to execute a supplying operation in which Vback lower or higher than Vback during an image forming operation is generated in a time corresponding to one full rotation of the developing member and toner moved from the developing member to the surface of the image bearing member is supplied to the cleaning portion.