| 摘要 |
An ink container (1) for retaining ink includes an ink containing body (23), an elastically displaceable supporting member (30), a light emitting portion (51), a light receiving portion (33) for receiving light from the light emitting portion, a display portion (31) for displaying the received light, and a light guide portion (36) for optically connecting the light receiving portion and the display portion so as to guide the light received by the receiving portion to the display portion. The supporting member (30) at least partly functions as the light guide portion. The light receiving portion is located, with a gap with respect to the light emitting portion, so as to cover the light emitting portion. The light receiving portion (33) approaches the light emitting portion (51) when the supporting member (30) approaches the ink containing body (23) by being subjected to urging toward the ink containing body. The light receiving portion moves apart from the light emitting portion when the supporting member moves apart from the ink containing body by being released from the urging toward the ink containing body.
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