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:
Jan. 08, 2008
Filed:
Jul. 15, 2005
Keiichi Taguchi, Nagano-ken, JP;
Ken Yoshizuka, Nagano-ken, JP;
Keiichi Taguchi, Nagano-ken, JP;
Ken Yoshizuka, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
The image forming device enables adequate density adjustment control, regardless of which toner cartridge is mounted. The image forming device for conducting image formation by using a toner has a development device having detachably mounted thereon a development unit for accommodating the toner, a discrimination unit discriminating whether or not the development unit mounted on the development device is a product of guaranteed quality, and a control unit that controls the density adjustment processing of the development unit mounted on the development device and serves to execute different control with respect to the density adjustment processing when the development unit was identified as a product of guaranteed quality and when the development unit was not identified as a product of guaranteed quality by the discrimination unit.