| 摘要 |
A protection device for an ink cartridge storage unit having an ink inducing member and a cover member is provided with a main body having an front face and a rear face, a sealing member connected to the front face, and a guiding protrusion arranged at the rear face. The cover member includes a pair of projections arranged at a location that corresponds to the guiding protrusion of the protection device. The width of the guiding protrusion is equal to or smaller than the width between the pair of projections, and the guiding protrusion is guided in between the pair of projections in the course of rotating the cover member to its closed state.
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