BTP-L540 User’s Manual
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roller to cool down completely if it has just finished printing;
3) Wipe off the dust and stains on the surface of the platen roller
with alcohol cotton ball (it should be wrung out) while turning the
platen roller;
4) Wait for 5 to 10 minutes until the alcohol evaporates completely,
and close the top cover.
Caution
n
Before starting routine maintenance of printer, make sure the
printer is turned off;
n
Do not touch the surface of print head with hands or metal. Do
not use forceps in case it scratches the surface of the print
head, platen roller and sensor;
n
Do not use organic solvent like gasoline, acetone etc. to clean
the print head or platen roller;
n
Do paper calibration again after cleaning the paper end sensor;
n
Please wait for alcohol to evaporate completely before starting
printing.
