| 摘要 |
PROBLEM TO BE SOLVED: To provide a configuration advantageous for preventing contact failure between an electrical contact and an electrical interface.SOLUTION: A substrate 182 mounting a terminal and a lock unit for locking a cartridge 40 to a mounting part are provided at the mounting part (space C) of a printer. The cartridge 40 is provided with a substrate 142 mounting the terminal, and an engaged part 48 engaging with a roller 148c of the lock unit. The roller 148c moves while coming into contact with each surface of the engaged part 48 so as to move the cartridge 40 in a mounting direction such that the terminals of the substrates 142, 182 may come into contact with each other. |
