| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink jet printer and its head cartridge in which various types of head cartridge are prevented from being loaded at an erroneous loading position. SOLUTION: The head cartridge 120a comprises an ink jet head 120, and a plurality of ink holding containers containing ink being ejected from the head wherein each ink holding container 122 is connected with one head chip having a plurality of nozzles. A plurality of head chips are arranged along the longitudinal direction while being shifted alternately, in the way, in the direction perpendicular to the longitudinal direction to have an overlap 120d at the end part. A space 122e is formed by shifting the space for containing the ink holding container at the end part in the longitudinal direction based on the overlap and the space has a different shape corresponding to the type of the cartridge. |
