Patent ID: 8480216

Claim:
A liquid ejecting apparatus comprising a pressure control unit provided in a liquid flow path connecting between a liquid reservoir and a liquid ejecting head, and configured to store the liquid and control a pressure thereof, wherein the pressure control unit includes: a liquid introduction unit having a liquid inlet communicating with the liquid reservoir; a liquid chamber including a liquid outlet communicating with the side of the liquid ejecting head and a diaphragm unit to be displaced in accordance with a pressure; a communication hole that allows communication between the liquid introduction unit and the liquid chamber; and a movable member including an opposing surface disposed on the side of the liquid chamber so as to oppose the communication hole, the movable member being disposed so as to move in response to the displacement of the diaphragm unit; and a displacement member that displaces, in accordance with a pressure of the liquid chamber, the opposing surface between a first posture of opposing the communication hole and a second posture in which the opposing surface is tilted with respect to the communication hole in an angle different from the first posture.