Method for cleaning liquid ejecting head
AssigneeSeiko Epson Corporation
InventorShunsuke Watanabe
Life of this patent
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Abstract
There is provided a method for cleaning a liquid ejecting head including a nozzle plate in which a nozzle configured to eject a liquid is formed, a pressure chamber communicating with the nozzle, a vibration plate that defines a part of the pressure chamber, and a piezoelectric element that is laminated on the vibration plate, the method including: an ultrasonic cleaning step of ultrasonically vibrating a cleaning liquid in a cleaning tank by an ultrasonic vibrator in a state where the nozzle is immersed in the cleaning liquid in the cleaning tank and in a state where a gas is present in the pressure chamber.
Claims9
A method for cleaning a liquid ejecting head including a nozzle plate in which a nozzle configured to eject a liquid is formed, a pressure chamber communicating with the nozzle, a vibration plate that defines a part of the pressure chamber, and a piezoelectric element that is laminated on the vibration plate, the method comprising:
- an ultrasonic cleaning step of ultrasonically vibrating a cleaning liquid in a cleaning tank by an ultrasonic vibrator in a state where the nozzle is immersed in the cleaning liquid in the cleaning tank and in a state where a gas is present in the pressure chamber.
Dependencies are inferred from the claim text.