Importance

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Abstract

The heat transfer ribbon can be held by a heat transfer ribbon feed roller and a heat transfer ribbon pinch roller and can be fed in the direction opposite to the normal feeding direction for printing and also effectively used even if there appears a large blank space between the printed portions on the paper by returning it by the length corresponding to such a blank space. Furthermore, since the heat transfer ribbon feed roller or the heat transfer ribbon pinch roller is provided with a mechanism for applying turning effort to give directly tension to the heat transfer ribbon, a given tension is always applied to the heat transfer ribbon to thereby prevent the wrinkle from generating thereon even if the outer diameter of the heat transfer ribbon wound around a supply roller is varied. Still furthermore, the heat transfer ribbon pinch roller and the paper pinch roller are integrated with each other to form a pinch roller unit for facilitating the assembly thereof and improving the maintenance thereof.

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First Claim