The printer head should be cleaned regularly, and please follow the steps below when you are doing so:
- Turn off the printer, remove the power cord, and push the blue buttons on both sides at the same time to open the cover;
- Wait for 3 minutes until the printer head cools down. The printer may be very hot after printing;
- Use an alcohol swap, or a cleaning pen to clean the Thermal Printer Head (don’t use water to do cleaning; move the swap from center to both ends of the TPH);
- Wait for 2 minutes until the Thermal Printer Head completely dries, and close the printer cover for your next use.
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