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:
Sep. 20, 2005
Filed:
May. 02, 2002
Akira Hayakawa, Shizuoka, JP;
Akira Hayakawa, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus is used together with a process cartridge which is detachably attachable to the image forming apparatus and which includes an electrophotographic, photosensitive body, a developing device provided with at least a developer containing portion for containing a developer and a developer carrying body for supplying the developer to the electrophotographic, photosensitive body as process devices acting on the electrophotographic, photosensitive body, and a memory device, and the image forming apparatus is constructed to execute a predetermined initial operation before formation of an image when it is determined that the process cartridge is in an early stage of use, based on information in the memory device. This structure provides an image forming apparatus and process cartridge capable of forming good images from the early stage of use of the process cartridge.