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:
Mar. 20, 2007
Filed:
Dec. 30, 2004
Hiroaki Kumai, Saitama, JP;
Kiyoshi Nagamine, Saitama, JP;
Hideaki Tanaka, Saitama, JP;
Hiroh Soga, Saitama, JP;
Hiroaki Kumai, Saitama, JP;
Kiyoshi Nagamine, Saitama, JP;
Hideaki Tanaka, Saitama, JP;
Hiroh Soga, Saitama, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
By using information stored in a storage part provided in the image forming apparatus main body or the results of detection of an image density sensor or the like, it is judged whether or not a replaceable unit such as a toner cartridge has been replaced. Furthermore, from information stored in the storage part provided in the image forming apparatus main body, it is detected whether a replaceable unit such as a toner cartridge is genuine or other than genuine units. From these detection results, information on the amount used for developer of the replaced toner cartridge, stored in the storage part, is initialized.