Installation Instructions

Printer cleaning
Cautions
(1) Before routine maintenance, you must ensure that the printer is powered off.
(2) DO NOT touch the surface of print head with your hand or metal. DO NOT use
tweezers or such tools to scratch the surface of print head, roller and sensor.
(3) DO NOT use gasoline, acetone or such organic solvent.
(4) After complete volatilization of ethanol absolute, turn on the power and proceed
with printing.
Under any of the following circumstances,
the print head shall be promptly cleaned:
(1) Printing is not clear.
(2) Some column on the printed page is unclear.
(3) It is noisy in the course of paper feeding.
Cleaning steps for print head are as follows:
(1) Turn off the power supply,open the top cover and remove the paper if any.
(2) If the printing is just finished,wait until the print head is cooled completely.
(3) Remove dust and dirt on the surface of thermo-sensitive sheet of the print head
with a soft cotton cloth with ethanol absolute (wrung out).
(4) After complete volatilization of ethanol absolute, close the top cover and
re-commission for printing