8
CP103 Thermal Printer User Instructions
3 Printer Self Test and Cleaning
With the printer off, press and hold the
[POWER]
button until the printer begins to print
a self-testing page and then release the
[POWER]
button.
The page gives specific information regarding version of firmware, interface type, print
speed, default baud rate, etc.
3.1 Cleaning the Print Head
When the printer displays the following symptoms the print head should be cleaned:
l
The printer does not print clearly and the thermal paper is good
l
The page-test printing is not crisp and clear
l
Paper feed is noisy
3.1.1 Steps for Cleaning Print Head
1.
Turn off the power to the printer and open the paper dispenser cover. Remove
the thermal paper roll.
1a.
If the printer was just printing then wait for the print head to cool down.
2.
With a soft cotton cloth dipped in rubbing alcohol (make sure there is no
dripping), wipe the thermal printer head gently and remove any dust or debris.
3.
Wait for the rubbing alcohol to evaporate completely and then place the
thermal paper roll back in the printer. Close the paper dispenser cover and
print a test page.
