General Cleaning; Print Head Cleaning; Troubleshooting - POSIFLEX PP-6907 Series User Manual

MAINTENANCE GUIDELINE
 Always turn off the power before opening the cover.
 Do NOT touch the areas around the print head and motor that become very
hot during and just after printing.
 When handling the interior of the printer, please pay attention to each sharp
edge of the metal parts to avoid accidents of injury.

GENERAL CLEANING

Please use soft hairbrush or compressed air to clear away dust or paper scraps
accumulated inside the printer. Also check the area of the auto-cutter regularly.

PRINT HEAD CLEANING

The print head is located underneath the roll
paper passage at the exit. You can clean the
thermal elements of the print head and
paper roll sensor gently by using a cotton
swab moistened with isopropyl alcohol
solvent.
NOTE: Never do this when the print head is still hot.
Do not touch the thermal elements of the print head.
Do not scratch the thermal elements of the print head.
Before putting back the paper roll for printing, there must be NOT alcohol
solvent remaining.
TROUBLE SHOOTING
This section gives solutions to some printer problems you may have.
General Problems
No LED lights up on control panel when the printer is powered on –
Make sure that the power supply cables are correctly plugged into the
printer and the power plug of the adaptor is plugged into the power outlet.
Make sure that power is supplied to the power outlet. If the outlet is
controlled by a switch or timer, try to use another outlet.
OPERATION GUIDE
Thermal Sensitive Elements
Paper Roll Sensor
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