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9 Printer Cleaning and Maintenance
1.
The print head must be cleaned if any of the following issues occur:
Printing content is not clear but thermal paper is fine.
Some columns on the document are unclear.
The paper feed noise is too loud.
2.
To clean the printer, do the following:
Turn off the printer, open the printer cover and remove the paper
roll.
If you have just finished printing, you must wait for the print head
to cool down before proceeding.
Use a soft brush or soft cotton cloth soaked with ethanol-immerged
to clean the printer head.
After cleaning, close the cover and test it later.
3.
Cautions
Make sure that the power of the printer is turned off during the
maintenance.
Keep your hands or other metal tools away from the surface of the
printer head, and do not use tweezers to scratch the surface of the
printer head and other sensitive parts.
Do not clean printer head with gasoline, acetone and other organic
solvents.