| 摘要 |
An ink cartridge includes a frame including a portion of a first chamber formed therein, and the first chamber is configured to store ink. The ink cartridge also includes a hollow portion positioned at a side wall of the frame. The hollow portion includes a second chamber formed therein, and the second chamber is continuous with the first chamber and extends from an inner surface of the side wall of the frame away from the first chamber. The ink cartridge also includes a movable member positioned in the second chamber and configured to move based on an amount of ink in the first chamber, and an inner surface of the hollow portion defining the second chamber has a groove extending toward the first chamber.
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