Patent ID: 8317294
Filing Date: 2012-11-27
Classification: B41J

Abstract:
1. A liquid ejection apparatus, for performing a drawing operation for ejecting liquid onto a medium, comprising: an ejection head that ejects a liquid from a nozzle; a cap that can seal an opening of the nozzle; an absorber disposed in the cap; a control unit that is configured to control performance of a first ejection operation toward the cap for maintenance of the nozzle, the first ejection operation being performed periodically while the drawing operation is executed; a suction unit that sucks the liquid from the cap; and a history managing unit that manages history related to the first ejection operation, wherein the control unit is configured to control performance of a second ejection operation for replenishing the cap with a liquid by ejecting liquid from the nozzle toward the absorber without sealing the opening of the nozzle by the cap, before the suction, and wherein the second ejection operation is performed just before a main power supply is turned off or under a condition that is set based on the history.