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:
Aug. 11, 2015
Filed:
Aug. 11, 2011
Jun Shiori, Kanagawa, JP;
Jun Yura, Kanagawa, JP;
Yukiko Iwasaki, Kanagawa, JP;
Masaki Sukesako, Kanagawa, JP;
Hiroyuki Sugiyama, Kanagawa, JP;
Kazuaki Kamihara, Tokyo, JP;
Hironobu Takeshita, Kanagawa, JP;
Jun Shiori, Kanagawa, JP;
Jun Yura, Kanagawa, JP;
Yukiko Iwasaki, Kanagawa, JP;
Masaki Sukesako, Kanagawa, JP;
Hiroyuki Sugiyama, Kanagawa, JP;
Kazuaki Kamihara, Tokyo, JP;
Hironobu Takeshita, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus includes an image bearing member to bear a latent image on a surface thereof, a developing unit to develop the latent image on the image bearing member with toner, a driving unit to drive the developing device, a storage unit to store a cumulative travel distance of the developing roller at predetermined timing, a total travel distance of the developing unit, and control conditions for the developing unit, a controller to obtain a difference between the total travel distance of the developing roller and the cumulative travel distance up to a predetermined point in time in image forming operation and to instruct intermittent printing in which continuous printing is limited to a certain number of pages in a predetermined time period when the difference is equal to or greater than a threshold travel distance, and an operation unit in which the control conditions are set.