| 摘要 |
An attaching and detaching device includes a cartridge holding unit configured to hold an ink cartridge by insertion of the ink cartridge by a first predetermined stroke and a power transmitting and converting mechanism configured to convert turning of a lever arm into motion of a second predetermined stroke required for mounting the ink cartridge while held by the cartridge holding unit. The cartridge holding unit includes an integrated engagement member configured to engage with a surface of the ink cartridge, the surface being parallel to a mounting direction. When engaging with the ink cartridge, the engagement member lies in a central portion in a width direction with respect to the mounting direction at the surface.
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