Patent ID: 7370923

Claim:
An inkjet printer comprising: an ink tank to store ink; a recording head to jet the ink onto a recording medium; an ink supply pipe to supply the ink from the ink tank to the recording head; an intermediate tank having a damping function against pressure fluctuation to store the ink at a position on the ink supply pipe between the ink tank and the recording head, the intermediate tank comprising an ink chamber to store the ink including, a damper membrane which is flexible and installed at least on one surface of the ink chamber and an elastic member to maintain the damper membrane at a prescribed initial position; the inkjet printer further comprising: a liquid feeding pump located between the ink tank and the intermediate tank to feed the ink to the intermediate tank and; a remaining quantity detector for detecting a quantity of remaining ink in the intermediate tank by detecting a position of the damper membrane, and a controller to control the liquid feeding pump to feed the ink in the ink tank to the intermediate tank when the remaining quantity detector detects that the quantity of remaining ink in the intermediate tank is less than a prescribed quantity.