Patent ID: 9694583
Date: 2017-07-04
CPC Classifications: B41J

Claim:
1. A liquid ejection apparatus, comprising: a liquid ejection head having a nozzle surface arranged to be inclined relative to a horizontal plane, the nozzle surface having a nozzle region with a nozzle which ejects liquid formed thereon and a first non-nozzle region and a second non-nozzle region having the nozzle not formed thereon; a liquid retainer arranged at a position facing the nozzle surface of the liquid ejection head, the liquid retainer being divided, along a direction of an inclination of the nozzle surface, into an uppermost liquid chamber arranged on an uppermost stage in a perpendicular direction so as to face the first non-nozzle region, a lowermost liquid chamber arranged on a lowermost stage in the perpendicular direction so as to face the second non-nozzle region, and a middle liquid chamber arranged between the uppermost liquid chamber and the lowermost liquid chamber so as to face the nozzle region, to store a moisturizer; a supply device which supplies the moisturizer to a liquid supply port provided in the middle liquid chamber, the supply device passing the moisturizer which overflows from the middle liquid chamber into the lowermost liquid chamber, the lowermost liquid chamber storing the moisturizer which overflows in the direction of the inclination from the middle liquid chamber into the lowermost liquid chamber; and a discharge device which discharges the moisturizer from a waste liquid port provided in the middle liquid chamber, wherein while the moisturizer is stored in the liquid retainer, the uppermost liquid chamber and a gas space in the lowermost liquid chamber are linked through at least one region out of regions on a lateral surface side and a back surface side which are different from an open surface side of the middle liquid chamber.