Patent ID: 7360878

Claim:
An inkjet printer for ejecting ink, comprising: an ink tank for storing the ink therein; a print head that ejects the ink therefrom; a pump that includes: a housing having a hollow interior, the housing being formed with an ink suction inlet through which the hollow interior and the ink tank communicate with each other and an ink discharge outlet through which the hollow interior and the print head communicate with each other; a rotor rotatably disposed in the hollow interior; and a partition member that is supported by the rotor and rotatable together with the rotor, two ends of the partition member contacting a wall surface defining the hollow interior; a pump drive mechanism that rotates the rotor of the pump; and a control unit that performs a first control for controlling the pump drive mechanism to rotate the rotor at a rotating speed in which ink is supplied from the ink tank to the print head through the pump and ejected from the print head, and a second control for controlling the pump drive mechanism to rotate the rotor at a rotating speed in which ink is not ejected from the print head.