| 摘要 |
An ink cartridge, includes an ink chamber capable of storing ink, an opening in a bottom surface of the ink cartridge, through which the ink may be supplied from the ink chamber to an image forming device, a first side wall, a second side wall opposite from the first side wall, a front wall, and a back wall opposite the front wall, wherein a first distance between the first side wall and the second side wall is greater than a second distance between the front wall and the back wall, at least one of the front wall or the back wall includes a recess, which protrudes inwardly with respect to adjacent regions of the at least one of the front wall or the back wall, a third distance from the bottom surface to the top of the recess is more than about 4.5 mm, and a fourth distance from the adjacent regions of the at least one of the front wall or the back ball and an end of the recess is less than about 3 mm.
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