Thermal image forming apparatus including cooling fan

Incremental printing of symbolic information – Thermal marking apparatus or processes – Including cooling device

Reexamination Certificate

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Reexamination Certificate

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07446791

ABSTRACT:
A thermal image forming apparatus includes a thermal printing head moves between a first position that faces a first surface of a printing medium and a second position that faces a second surface of a printing medium. A heat sink is combined with the thermal printing head. A cooling fan is installed on the heat sink, and moves with the thermal printing head to continuously cool the thermal printing head.

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