Thermal Head - Panasonic KX-FM89BX Service Manual

6.4.3. THERMAL HEAD

1. Function
This unit utilizes the state of the art thermal printer technology.
The ink film is chemically processed. The ink film is comprised of
two parts: an ink layer and a base film. When the thermalhead
contacts this ink film, it emits heat momentarily, and the ink layer
is melted and transferred to the paper. If this continues, letters and
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