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:
May. 19, 2020
Filed:
Jan. 22, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Shuhei Kawasaki, Susono, JP;
Kodai Hayashi, Suntou-gun, JP;
Shinichi Agata, Suntou-gun, JP;
Keisuke Endoh, Fuji, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is an image forming apparatus, including an apparatus main body, an image bearing member unit having at least an image bearing member and a charging member, and a developing unit having at least a developer bearing member. The apparatus main body has a controller, the image bearing member unit further has a first storage unit that stores first correction information corresponding to life information of the developing unit, the developing unit further has a second storage unit that stores second correction information corresponding to life information of the developing unit, and the controller acquires the first correction information and the second correction information, uses the acquired first correction information and the acquired second correction information to correct a charging bias to be applied to the charging member, and applies the corrected charging bias to the charging member.