Patent ID: 8646886

Claim:
An ink charging jig used to charge an ink into an ink cartridge, the ink cartridge including an ink accommodating unit configured to accommodate the ink, a cartridge casing accommodating the ink accommodating unit, an ink supplying unit which is connected to the ink accommodating unit and is to be penetrated by a suction nozzle from an imaging apparatus, and a moving unit configured to rotate a part of the ink supplying unit between an ink supplying position where the suction nozzle is penetrated in the ink supplying unit and a shielding position where the ink supplying unit is shielded from an outside, the ink charging jig comprises: a positioning unit which engages the cartridge casing and determines a position of a charging nozzle of a charging unit which penetrates into the ink supplying unit and charges the ink into the ink accommodating unit; and an engaging unit which engages the moving unit in a state where a position of the charging unit is determined and rotates the part of the ink supplying unit to the ink supplying position.