1. switch off and unplug the printer.

    2. open the printer right side cover.

    3. remove the media and ribbon (if loaded).

    4. open the printer print head lift lever.

    5. using a soft cloth soaked in the alcohol or mild detergent to wipe the internal parts.

    6. the rubber roller should be clean by cloth soaked in water.

    7. install the ribbon and label, close the print head lift lever.

    8. close the printer right side cover.