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9. Periodical Cleaning
Printed characters may become partially unclear due to accumulated paper dust
and dirt. To prevent such a problem, paper dust collected in the paper holder and
paper transport section and on the surface of the thermal head must be removed
periodically. Such cleaning is recommended to be carried out once six month or
one million lines.
9-1. Cleaning the Thermal Head
To remove blackish dust collected on the surface of the thermal head, wipe it with
Isopropyl alcohol (IPA).
Note: The thermal head is easy to damage, so clean it gently with a soft cloth.
Take sufficient care not to scratch it when cleaning it.
9-2. Cleaning the Paper Holder
Use a soft cloth to remove paper dust from the paper holder and paper transport
section.
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