| 摘要 |
A maintenance device used for cleaning a print head of an ink cartridge includes a maintenance module including a base, a cap for capping the print head of the ink cartridge, and a cap sled installed on the base in a sliding manner for driving the cap upwards to cover the print head of the ink cartridge. A rack is installed on an end of the cap sled. The maintenance device further includes a pump module for pumping the ink out of the print head of the ink cartridge. The pump module includes a pump gear engaged with a feed gear, a swing gear engaged with the pump gear, and a swing gear when the feed gear drives the pump gear and the pump gear drives the swing arm.
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