2 Some columns on the printed pages are not clear
1. Turn off the power,open the printer cover and take off the paper roll.
2. We have to wait for a while if we just finished the printing.
3. Use a soft brush or wrung-out ethanol immerged cotton to clean the
print head. Remember to turn on the gear while lubricating to
ensure a completely lubricated;
4. Close the cover once cleaning done and try it later.
Cautions:
• Make sure the power of the printer is turned of during the
maintenance.
• Hands or other metal tools away from the surface of the printer
head,do not use tweezers to scratch the surface of the printer head and
other sensitive parts.
• Do not use gasoline,acetone and other organic solvents for printer
head cleaning.
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