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. 13, 2019
Filed:
Jul. 25, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Akiyoshi Sahara, Funabashi, JP;
Toshiyuki Kuroda, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A printing apparatus comprises: a maintenance unit that performs a maintenance operation for a printhead that includes a plurality of operation patterns; a storage unit that stores information indicating which of the operation patterns was performed when the maintenance operation was performed; a timer that measures an elapsed time from a previous printing operation; a determination unit that determines whether or not to execute the maintenance operation; and a control unit that controls the operation patterns of the maintenance operation to be performed in accordance with the elapsed time and the information, wherein in a case where a scanning instruction is received and the determination unit determines to execute the maintenance operation, the control unit performs control for executing the maintenance operation not in accordance with the elapsed time but in accordance with the information before the operation of scanning.