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5. Printer Maintenance
Print Head Maintenance
When the printer has the following circumstances:
a) Printing is not clear
b) Some longitudinal columns on the printing page are vague
c) There is a loud noise when feeding
Follow the steps listed below to clean the printhead:
1. Turn off the power supply and open the top cover. Remove the paper
if necessary.
2. Allow enough time for the printhead to cool down.
3. Use a cotton cloth, dip it in absolute ethyl alcohol, and clean the
surface of the printhead.
4. When the absolute ethyl alcohol is completely evaporated, close the
top cover and restart the printer.
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