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:
Mar. 01, 2016
Filed:
Aug. 18, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Kei Kosaka, Tokyo, JP;
Atsushi Takahashi, Tama, JP;
Tomoyuki Tenkawa, Yokohama, JP;
Akiyoshi Sahara, Funabashi, JP;
Toshiyuki Kuroda, Yokohama, JP;
Kei Takarabe, Kawasaki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A printing apparatus includes a main tank for containing ink; a sub tank for containing ink supplied from the main tank and containing ink to be supplied to a print head; a detection unit configured to detect an ink amount in the sub tank; and a filling unit configured to perform ink filling operation that fills the sub tank with ink from the main tank by driving a driving unit, in a case where the detection unit detects the ink amount in the sub tank that is less than a first predetermined amount, wherein in a case where the ink amount in the main tank is less than a second predetermined amount, the filling unit drives the driving unit at smaller drive amount than that in a case where the ink amount in the main tank is greater than the second predetermined amount.