US 11,945,232 B2
Inkjet printing apparatus and method of controlling inkjet printing apparatus
Takatoshi Nakano, Yokohama (JP); Yoshinori Nakagawa, Kawasaki (JP); Atsushi Takahashi, Tama (JP); and Takuya Fukasawa, Yokohama (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Dec. 22, 2022, as Appl. No. 18/086,750.
Application 18/086,750 is a continuation of application No. 17/328,190, filed on May 24, 2021, granted, now 11,559,994.
Application 17/328,190 is a continuation of application No. 16/576,886, filed on Sep. 20, 2019, granted, now 11,059,301, issued on Jul. 31, 2021.
Claims priority of application No. 2018-189630 (JP), filed on Oct. 5, 2018.
Prior Publication US 2023/0234370 A1, Jul. 27, 2023
Int. Cl. B41J 2/19 (2006.01); B41J 2/14 (2006.01); B41J 2/175 (2006.01)
CPC B41J 2/19 (2013.01) [B41J 2/14 (2013.01); B41J 2/175 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A printing apparatus comprising:
a first flow path configured to supply liquid from a tank, which stores the liquid, to a print head which ejects the liquid based on print data to perform print operation and which has a heating unit configured to heat the print head;
a circulation unit configured to establish a circulating state in which the liquid is put into circulation in a circulation path including at least of a part of the first flow path, and to establish a stopped state in which the circulation of the liquid in the circulation path is stopped;
a control unit configured to cause the circulation unit to perform first circulation operation to circulate the liquid while the print head is heated by the heating unit and to perform second circulation operation while the print head is not heated by the heating unit.