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
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 
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