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. 13, 2003
Filed:
Dec. 17, 2001
Kazuo Asano, Iwatsuki, JP;
Akinori Ono, Iwatsuki, JP;
Keiji Muraki, Iwatsuki, JP;
Toshio Masubuchi, Iwatsuki, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An image formation apparatus has a photoreceptor , a charger , a latent image write unit , a developing device , and a performance maintaining controller , wherein the performance maintaining controller executes a performance maintaining initial sequence A for agitating and charging a developer G uniformly to such a degree that aggregating of the developer G in the developing device is at least eliminated under the condition that the image formation apparatus is first used and also executes a performance maintaining sequence B for uniformly agitating and charging the developer G in the developing device at least based on elapsed time since the immediately preceding image formation mode.