Thermal transfer printing device and method

Typewriting machines – Typing by other than type-face or type-die – Thermal

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Details

4006361, 400582, 400708, 347177, B41J 2315

Patent

active

057185239

ABSTRACT:
A thermal transfer printer for printing images and patterns on a card with thermally transferable color inks while moving the card back and forth in such a state that the card is held and urged against a thermal print head through an ink ribbon by capstan and platen rollers. In printing, the card is first forwarded over a print-starting point, and then, reversed until the leading end thereof arrives at an overrun stop point prescribed behind the print starting point, and thereupon, moved forward until the leading end of the card is positioned at the print-starting point to start printing. Thus, mechanical clearance giving rise to backlash essentially possessed of mechanical elements can be completely eliminated, thereby enabling remarkably high-quality color images to be produced.

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