US 12,291,039 B2
Liquid ejection apparatus
Nanami Haga, Shiojiri (JP); Hiromichi Takanashi, Shiojiri (JP); Kenji Tsukada, Nagano (JP); and Yuta Komatsu, Shiojiri (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Jul. 24, 2023, as Appl. No. 18/357,284.
Claims priority of application No. 2022-117930 (JP), filed on Jul. 25, 2022.
Prior Publication US 2024/0025182 A1, Jan. 25, 2024
Int. Cl. B41J 2/175 (2006.01); B41J 2/17 (2006.01); B41J 2/18 (2006.01)
CPC B41J 2/17596 (2013.01) [B41J 2/1707 (2013.01); B41J 2/18 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A liquid ejection apparatus comprising:
a first storage portion configured to store a liquid supplied from a liquid container;
a first open-to-atmosphere channel configured to open an inside of the first storage portion to the atmosphere;
a first valve configured to open and close the first open-to-atmosphere channel;
a second storage portion configured to store the liquid supplied from the first storage portion;
a second open-to-atmosphere channel configured to open an inside of the second storage portion to the atmosphere;
a second valve configured to open and close the second open-to-atmosphere channel;
a check valve configured to permit a flow of the liquid from the first storage portion to the second storage portion and restrict a flow of the liquid from the second storage portion to the first storage portion; and
a liquid ejection portion configured to eject at least the liquid supplied from the second storage portion, wherein
either a normal mode or a transport mode is selectable,
the normal mode is a mode in which power is switched off with the first open-to-atmosphere channel opened by the first valve and the second open-to-atmosphere channel opened by the second valve, and
the transport mode is a mode in which power is switched off with the first open-to-atmosphere channel opened by the first valve and the second open-to-atmosphere channel closed by the second valve.