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:
Jul. 01, 2008
Filed:
May. 26, 2006
Yasuhiro Funayama, Saitama, JP;
Makoto Kanai, Saitama, JP;
Hisashi Fukasawa, Saitama, JP;
Masaru Sakuma, Saitama, JP;
Kiyoshi Nagamine, Saitama, JP;
Yasuhiro Funayama, Saitama, JP;
Makoto Kanai, Saitama, JP;
Hisashi Fukasawa, Saitama, JP;
Masaru Sakuma, Saitama, JP;
Kiyoshi Nagamine, Saitama, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An image forming apparatus including: an outputted image density control portion that forms a patch image and determines an outputted image density control condition based on a comparison result of the density of the patch image with a preliminarily set target value; a pixel count portion capable of counting the amount of image pixel at the time of image formation; a pixel count value accumulating memory portion that accumulates and stores the pixel count value; a toner supply portion; a toner supply amount measuring portion capable of measuring the amount of toner supplied to the developing device; a toner supply amount accumulating memory portion that accumulates and stores the toner supply amount; and a target value correcting portion that corrects the target value of the density of the patch image from the relation between a pixel count accumulating value and a toner supply amount accumulation value, is provided.