US 12,109,814 B2
Liquid ejecting apparatus and liquid ejecting head
Haruki Kobayashi, Matsumoto (JP); and Atsushi Muto, Shiojiri (JP)
Assigned to Seiko Epson Corporation, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Aug. 29, 2022, as Appl. No. 17/823,045.
Claims priority of application No. 2021-140971 (JP), filed on Aug. 31, 2021.
Prior Publication US 2023/0068149 A1, Mar. 2, 2023
Int. Cl. B41J 2/14 (2006.01)
CPC B41J 2/1433 (2013.01) 18 Claims
OG exemplary drawing
 
1. A liquid ejecting apparatus comprising:
a liquid ejecting head that has an ejection surface including a first nozzle row configured to eject a first ink, a second nozzle row configured to eject a second ink, and a third nozzle configured to eject a third ink, wherein
the liquid ejecting head is configured to be held in a first posture in which the ejection surface is inclined with respect to a horizontal plane,
a dynamic surface tension of the first ink is higher than a dynamic surface tension of the second ink,
a dynamic surface tension of the third ink is lower than the dynamic surface tension of the first ink and is higher than the dynamic surface tension of the second ink,
in the first posture, the first nozzle row is positioned above the second nozzle row with respect to a gravity direction, and
in the first posture, the third nozzle row is positioned below the first nozzle row and above the second nozzle row with respect to the gravity direction.