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:
Apr. 12, 2022
Filed:
Sep. 22, 2020
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Hironori Takasaki, Ogaki, JP;
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Abstract
There is provided a liquid ejection apparatus including: a head; a carriage; a conveyor; a signal generator configured to output a signal, depending on whether or not a plurality of nozzles include an ejection defective nozzle; a maintenance part; and a controller. The controller executes: ejecting of a liquid toward a medium by performing a ejecting operation of performing a ejecting pass and a conveying operation; before the ejecting operation, determining of whether or not the ejection defective nozzle is present among the plurality of nozzles. In a case that the controller determines that the ejection defective nozzle is present, the controller determines, based on a first time and a second time, whether to perform a first ejecting operation after performing a maintenance operation before the ejecting operation, or to perform a second ejecting operation without performing the maintenance operation before the ejecting operation.