US 12,145,382 B2
Printing apparatus
Dai Nozawa, Nagano (JP)
Assigned to Seiko Epson Corporation, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Feb. 16, 2023, as Appl. No. 18/169,904.
Claims priority of application No. 2022-023582 (JP), filed on Feb. 18, 2022.
Prior Publication US 2023/0264500 A1, Aug. 24, 2023
Int. Cl. B41J 29/377 (2006.01); H05K 1/02 (2006.01)
CPC B41J 29/377 (2013.01) [H05K 1/0209 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A printing apparatus comprising:
a liquid ejecting head that ejects a printing liquid to form an image on a medium;
a circuit board provided with a drive circuit for driving the liquid ejecting head; and
a storage mechanism for storing a cooling liquid in a liquid storage space, wherein
the storage mechanism stores the cooling liquid in the liquid storage space in which all of the drive circuit and a circuit arrangement portion of the circuit board are immersed in the cooling liquid, the circuit arrangement portion being provided with the drive circuit.