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Thermal head
Rubber roller
8. 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.
8-1. Cleaning the ermal Head
To remove the dark paper dust that has accumulated on the thermal head surface, wipe it
clean with cotton swab (or so cloth) dipped in alcohol (ethanol, methanol, or isopropyl alco-
hol).
Note 1: e thermal head is easily damaged, so clean it with a so cloth, taking care not
to scratch it.
Note 2: Do not attempt to clean the thermal head immediately aer printing, when the
thermal head is hot.
Note 3: Beware of the risk of damaging the thermal head as a result of static electricity
that may be created during cleaning.
Note 4: Turn the power ON only aer the alcohol has dried completely.
8-2. Cleaning the Rubber Roller
Use a dry, so cloth to wipe o the dust that may have accumulated on the rubber roller.
Rotate the platen to clean the entire surface.
8-3. Cleaning the Paper Holder and the Surrounding Area
Clean the paper holder of debris, dust, paper particles, glue, etc. that may have accumulated.
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