7.4.2. BLOCK DIAGRAM
7.4.3. 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 thiscontinues, letters and/or diagrams appear, and
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