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. 17, 2012
Filed:
Apr. 17, 2009
Kohta Fujimori, Yokohama, JP;
Shin Hasegawa, Zama, JP;
Nobutaka Takeuchi, Yokohama, JP;
Hitoshi Ishibashi, Kamakura, JP;
Kayoko Tanaka, Machida, JP;
Yushi Hirayama, Sagamihara, JP;
Kohta Fujimori, Yokohama, JP;
Shin Hasegawa, Zama, JP;
Nobutaka Takeuchi, Yokohama, JP;
Hitoshi Ishibashi, Kamakura, JP;
Kayoko Tanaka, Machida, JP;
Yushi Hirayama, Sagamihara, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
An image forming apparatus includes multiple image forming units to form different single-color images with respective different color developers and a control system to selectively perform a multicolor image forming operation, a specific-color image forming operation, a multicolor image quality correction operation, and a specific-color image quality correction operation. The control system includes an image formation mode detection unit to ascertain which of the multicolor image forming operation and the specific-color image forming operation is performed prior to a request for image quality correction; and a correction instruction unit to order the multicolor image quality correction operation when the multicolor image quality correction operation is requested, the specific-color correction operation when the specific-color image quality correction operation is requested after the specific-color image forming operation, and the multicolor image quality correction operation when the specific-color image quality correction operation is requested after the multicolor image forming operation.