Cleaning The Thermal Head - Oki LD670 User Manual

11-3. Cleaning the Thermal Head

(1) Before attempting to clean the thermal head, be sure to turn off the
printer power switch.
(2) Open the top cover.
(3) Using an alcohol solvent, remove black paper particles and other residue
from the surface of the thermal head. If the printer printed on label paper,
any adhesive matter adhering to the surface of the thermal head must be
removed.
Thermal head
Note : The thermal head is susceptible to damage. When cleaning it, use a soft
cloth and be especially careful not to damage the head.
Note : Immediately after printing, the thermal head is hot. Wait about 10
minutes before cleaning the head.
Note : Because the thermal head is susceptible to damage by static electricity,
take precautions to prevent the generation of static electricity.
Note : Do not turn on the printer until all alcohol has dried.
Note : Do not use a solvent other than ethyl or isopropyl alcohol.
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