| 摘要 |
A device for driving a pin that fastens a printer cartridge drum to a printer cartridge at least on one end of the printer cartridge drum, the device comprising a device body defining a device body recess and a shaft configured to be inserted in the device body recess and to be moved within the device body recess, wherein the movement of the shaft within the device body recess is configured to drive the pin and alter the attachment of the printer cartridge to the printer cartridge at the at least one end of the printer cartridge drum.
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