Patent ID: 8651638

Claim:
An inkjet printing apparatus comprising: an ink tank comprising: an ink accommodating unit for accommodating ink therein, an ink leading-out mechanism connected to the ink accommodating unit and constructed to lead out the ink accommodated in the ink accommodating unit, and an ink tank housing constructed to house the ink accommodating unit and the ink leading-out mechanism, and provided with an opening therein, wherein the ink leading-out mechanism and the opening are spaced apart from each other with an inner space of the housing therebetween; and an ink tank holder constructed to removably retain the ink tank, the ink tank holder including an ink leading out-needle, wherein when the ink tank is mounted to the ink tank holder, an ink flow passage is formed by the ink leading-out needle passing through the opening such that an outer periphery of the ink leading-out needle contacts a sealing member provided in the ink leading-out mechanism, and wherein the ink tank further comprises a restriction portion for restricting a position of the ink tank relative to the ink tank holder such that at a time of removing the ink tank from the ink tank holder, the ink tank stops in a state where a tip end of the ink leading-out needle is in the inner space.