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:
Dec. 13, 2016
Filed:
Jul. 31, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/16508 (2013.01); B41J 2/16517 (2013.01); B41J 2/16532 (2013.01); B41J 2/17566 (2013.01); B41J 2002/16573 (2013.01);
Abstract
A printing apparatus comprises an ink tank containing ink, a sub-tank containing the ink supplied from the ink tank, a printhead discharging the ink supplied from the sub-tank, a detection unit configured to perform a detection operation of detecting an ink remaining amount of the sub-tank, a suction unit configured to perform a suction operation of sucking the ink from the printhead, and a control unit configured to stop the suction unit from performing the suction operation when the detection unit detects that the ink remaining amount becomes smaller than a predetermined residual amount during execution of the suction operation.