| 摘要 |
An ink-ribbon cassette and a printer using the same are provided to employ an appliance for mounting the ink-ribbon cassette on a cradle of the printer with accuracy. An ink-ribbon cassette includes the first case(5) engaged with the second case(13). The first case and the second case support a supply core(3), around which a long ribbon is wounded, and a wounded core(4). The supply core and the wounded core have the same size in the shape of a cylinder. The supply core and the wounded core include resin. The supply core and the wounded core include cylindrical pillars, small diameter parts, and large diameter parts. The small diameter parts have a diameter smaller than the external diameter of the pillars. The large diameter parts have a diameter larger than the external diameter of the pillars.
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