Patent ID: 7452063

Claim:
An inkjet recording apparatus having a recording head that receives supply of ink from an ink cartridge installed in a cartridge accommodation region, the ink cartridge having a first fixing member formed on the ink cartridge, the inkjet recording apparatus comprising: a second fixing member capable of engaging with the first fixing member to fix the cartridge in the cartridge accommodation region, and that is formed in a position facing a plane that is substantially parallel to an insertion direction in which the ink cartridge is inserted into the cartridge accommodation region, wherein in operation, after being inserted, the ink cartridge is held in a predetermined position in a state in which the ink cartridge is resiliently urged by a resiliently urging structure in a direction opposite to the insertion direction; wherein the second fixing member comprises a protrusion whose range of motion is restricted; and wherein the first fixing member comprises a combination of an engagement guide path, a holding portion for engaging the protrusion, and a disengagement guide path distinct from the engagement guide path, wherein the engagement guide path is arranged to guide the protrusion during insertion of the ink cartridge and the disengagement guide path is arranged to guide the protrusion during removal of the ink cartridge from the inkjet recording apparatus.