How to do if thermal printer prints fuzzy words

- Apr 25, 2018-

How to do if thermal printer prints fuzzy words

 

 

1. Confirm whether the printing paper is poor quality thermal paper

 

2. Check whether the power supply voltage is normal

 

3.  If the print head has dust, use cotton to dip in alcohol

 

4. The above conditions are all normal, then the heater maybe in malfunction.

 


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