Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Atsushi Takahashi0
Takuya Fukasawa0
Yoshinori Nakagawa0
Yuhei Oikawa0
Takatoshi Nakano0
Date of Patent
March 5, 2024
0Patent Application Number
174719460
Date Filed
September 10, 2021
0Patent Citations
...
Patent Primary Examiner
Patent abstract
Ink is circulated through a circulation flow path between a print head and an ink tank. Detection operation for detecting an ink ejection state in an ejection opening in the print head is performed. The ink circulation and the detection operation are simultaneously performed by performing the detection operation in response to a start of the ink circulation.
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