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:
Feb. 19, 2013
Filed:
Sep. 09, 2011
Applicant:
Koji Nagai, Miyagi, JP;
Inventor:
Koji Nagai, Miyagi, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming apparatus is disclosed. The image forming apparatus includes at least two independent recording heads; restoring units; counting units; a restoring control unit; and a storage unit. The restoring control unit conducts a restoring operation for all of recording heads when the cumulative number of print sheets of either of the recording heads reaches the first setting value or above when the cumulative number of print sheets for all of the recording heads is less than the second setting value at the time of starting printing.