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III. MAINTENANCE GUIDES

A. MAINTENANCE GUIDE LINES

• Always turn off and disconnect power before opening
the cover.
• The areas around the print head and motor become very
hot during and just after printing, do not touch them.
• When handling the interior of the thermal printer, please
pay attention not to be hurt by any sharp edge of the
metal parts.

B. GENERAL CLEANING

Please use soft hair brush or compressed air to clear away
any dust or paper scraps accumulation inside the printer. Check
also the area of the auto-cutter regularly.

C. PRINT HEAD CLEANING

The print head is located underneath the roll paper passage
at the exit as in the picture below. You can clean the thermal
elements of the print head and paper sensor gently using a cotton
swab moistened with isopropyl alcohol solvent.
NOTE: Never do this when print head is still hot
Do not touch the print head thermal elements
Do not scratch the print head
Thermal Elements
Paper Sensor