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. 31, 2012
Filed:
Oct. 20, 2008
Motoyuki Itoyama, Kizugawa, JP;
Syouichi Fujita, Kashiba, JP;
Mitsuhiro Murata, Yao, JP;
Toshiaki Fujisawa, Nara, JP;
Masaya Fujitani, Uji, JP;
Motoyuki Itoyama, Kizugawa, JP;
Syouichi Fujita, Kashiba, JP;
Mitsuhiro Murata, Yao, JP;
Toshiaki Fujisawa, Nara, JP;
Masaya Fujitani, Uji, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
There is provided an image stabilizing apparatus which is capable of keeping a toner concentration and a printing density constant when toner consumption is small, and further which is systematically simple. The image stabilizing apparatus comprises a control portion for controlling a toner replenishment amount in a toner replenishing apparatus depending on a toner concentration detected by a toner concentration sensor and a print coverage of a document detected by a print coverage detecting portion, and controlling, when the print coverage of the document detected by the print coverage detecting portion is less than a predetermined value and such documents continue, so as to discharge a predetermined amount of toner to the image bearing member by developing forcibly, and then replenish the same amount of toner as the predetermined amount by the toner replenishing apparatus.