Patent ID: 7367652

Claim:
An ink-jet recording device for supplying ink to a recording head from at least one ink cartridge having a bottom wall, and first and second side walls connected to each other through the bottom wall and facing each other, the ink cartridge further having an ink supply port at the bottom wall, a first retaining member extending from the first side wall and a recess provided in the vicinity of the second side wall, the retaining member having a first engagement portion displaceable toward and away from the first side wall, the recording device comprising: a carriage having at least one ink cartridge mounting region adapted to receive the ink cartridge; a plurality of identification members that are protruded from a bottom of the ink cartridge mounting region in a direction parallel to an insertion direction of the ink cartridge into the carriage, and that are positioned and configured so that the identification members are received by the recess of the ink cartridge when the ink cartridge is compatible with the ink cartridge mounting region; an ink supply needle positioned in the bottom of the ink cartridge storage region and configured for connection to the ink supply port of the ink cartridge; and a first engagement portion of the carriage positioned and configured to engage the engagement portion of the ink cartridge.