General Cleaning

Thermal Elements Paper Sensor

*When handling the interior of the thermal printer, please pay attention not to be hurt by any sharp edge of the metal parts.

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

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. Before putting back the paper roll for printing, alcohol solvent must be dry completely.

NOTE: Never do this when print head is still hot. Do not touch the print head thermal elements and scratch the print head

TROUBLE SHOOTING

This section gives solutions to some printer problems you may have.

General Problems

No LED lights up on control panel when switched on –Make sure that the power supply cables are correctly plugged into the printer, the power adaptor and to the power outlet. Make sure that power is supplied to the power outlet. If a switch or timer controls the outlet, try using another outlet

Printing Problems

Nothing can be printed with ERROR LED flashing – Most possible cause for the flashing Error LED is that the printer has been printing for quite a period of time and the print head temperature become too high. After few minutes under normal ventilation, the print head should be able to cool down and the Error LED will stop flashing. Printing will resume after cooled down. If this is not the case, contact a qualified service person.

Page 11