| 摘要 |
The ink receiving cup is provided with a cylindrical top portion, a bearing portion into which the center shaft of rotation is fitted when the ink receiving cup is rotated at the central portion, a black ink accumulating portion where blank ink is sprayed and accumulated, and a plurality of through-holes at the outer-circumferential side and inner-circumferential side of the black ink accumulating portion for causing color inks to flow.
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