Patent ID: 7303271

Claim:
An ink jet printer, comprising: a housing; a carriage which is movable in the housing relative thereto; an ink jet recording head which is mounted on the carriage and which has a plurality of ink supply channels; a damping device which is mounted on the carriage and which includes a plurality of damping chambers corresponding to the ink supply channels, respectively; an ink-tank supporting portion which is provided in the housing and which supports a plurality of ink tanks; and a plurality of ink supply tubes each of which supplies an ink from a corresponding one of the ink tanks to a corresponding one of the ink supply channels of the ink jet recording head via a corresponding one of the ink supply tubes and a corresponding one of the damping chambers, wherein the damping device further includes: a primary partition wall which separates at least one first damping chamber of the damping chambers, from at least one second damping chamber of the damping chambers; at least one first flexible sheet which is opposed to the primary partition wall and liquid-tightly closes the at least one first damping chamber; and at least one second flexible sheet which is opposed to the primary partition wall and liquidly-tightly closes the at least one second damping chamber.