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1.2.2 Handling Precautions
Incorrect handling may reduce the efficiency of the printer and cause damage. Handle the printer with
the following precautions.
Also, include any necessary precautions so that users handle the printer with care.
z To prevent the heat elements, ICs, etc. from static electricity, discharge all static electricity
before handling the printer.
Pay special attention to the thermal head control terminals when handling.
z Do not apply stress to the thermal head control terminals: Doing so may damage the
connectors.
z If any paper other than that specified is used, high print quality and long life of the thermal
head cannot be guaranteed.
z Using anything other than the specified paper may cause the following:
Poor printing quality
Abrasion of the thermal head
The thermal surface of the paper and the thermal head may stick together
Excessive noise
Fading print
Corroded thermal head
z Always print or feed with the specified paper inserted to protect the platen and thermal
head.
z Do not hit or scratch the surface of the thermal head with any sharp or hard objects as it
may damage the heat element.
z When the printer is not in use, place the thermal head in up position.
The head down (platen “close” state) and head up (platen “open” state) positions can be set
with head up/down lever.
If the thermal head is remained in contact with the platen, the platen may become
deformed.
z Never connect or disconnect cables with the power on. Always power off the printer first.
z When printing a black or checkered pattern at a high print rate in a low temperature or high
humidity environment, the vapor from the paper during printing may cause condensation to
form on the printer or may soil the paper.
If water condenses on the printer, keep the thermal head away from water drops as it may
corrode the thermal head, and turn Vp off until it dries.
z The printer is not water-proof. Prevent contact with water and do not operate with wet hands
as it may damage the printer or cause a short circuit or fire.
z Never use the printer in a dusty place, as it may damage the thermal head and cause paper
feed trouble.