Patent ID: 9643416
Date: 2017-05-09
CPC Classifications: B41J

Claim:
1. A liquid ejecting apparatus comprising: a head having a plurality of nozzles which eject liquid onto a medium, the plurality of nozzles being aligned in a nozzle row direction, the plurality of nozzles having a first nozzle, an xth nozzle, a (x+1)th nozzle, a (x+1+y)th nozzle, a (x+1+y+1)th nozzle, and a (x+1+y+1+z)th nozzle, each of the x, y and z being integer of 1 or more; a moving member which relatively moves the head to the medium; and controller which is configured to control the head and the moving member, wherein the head includes: wherein the controller is configured to: wherein a first absolute value A of a first moving-average nozzle usage ratio in the first-type nozzle group, a second absolute value B of a second moving-average nozzle usage ratio in the second-type nozzle group and a third absolute value C of a third moving-average nozzle usage ratio in the third-type nozzle group satisfy the following requirement: