| 摘要 |
A ribbon cassette of the invention accommodates a driving mechanism configured to move an ink ribbon in a length direction using a driving roller and a driven roller, and an ink replenishing mechanism having a roller-shaped ink tank impregnated with ink and a transfer roller that comes into contact with an outer circumference of the ink tank and configured to replenish the ink ribbon with the ink soaked through the ink tank via the transfer roller inside a case. On an outer surface of the case at a portion opposing the ink tank, a tank cover portion is formed to swell in a figure similar to a figure of the ink tank, while an operation knob is disposed with an interval large enough to enable an operation of the knob from an outer circumference of the tank cover portion and linked to the driving roller disposed within the case.
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