VII. Printer cleaning
7.1 Clean the printer head
When one of the following condition occurs, you have to cleaning the printing head
Printing not clear
Printing page longitudinal column is not clear
Paper feeding noise
Print head cleaning steps
1. Turn off the power of printer and open the upper cover. If there is paper, remove the paper;
2. If you have just finished printing, you should wait until the print head cool completely;
3. Erasing dust and stains of the printing head by a soft cloth dipped in ethanol (wring the cloth and dry it).
4. When the anhydrous alcohol was fully evaporated, close the upper cover and try again
7.2 Cleaning sensor
When the printer appears one of the following conditions, you should clean the paper out sensor.
During printing, printer occasionally terminate printing,
Out of paper will alarm
Out of paper not alarm
Cleaning steps of paper out sensors
1. Turn off the power of printer and open the upper cover. If there is paper, remove the paper;
2. Erasing dust and stains on the surface of the sensor by a soft cloth dipped in ethanol (wring the cloth and
dry it).
3. When the anhydrous alcohol was fully evaporated, close the upper cover and try again.
