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3nStar Inc. 

 

PPT205 User Manual 

 

6 | 

P a g e

 

 

 

Printer Maintenance 

 

 
Print-head cleaning: 

Clean the printer head if any of the following occur: 

1.

 

Unclear or garbled printing. 

2.

 

Unclear vertical column in printing paper. 

3.

 

Loud noises occur when feeding paper. 

 
 

Cleaning steps are as follows: 

1.

 

Turn off the printer and open the top cover. Remove the paper, if any. 

2.

 

Temperature of the print-head can be very hot after it finishes printing. Please clean the 
print-head after it cools down to environment temperature. 

3.

 

Clean the thermal elements of the thermal printer head with a soft cotton cloth 
moistened with ethyl alcohol. 

4.

 

Close the top cover after the ethyl alcohol completely volatilized and evaporates. Print 
a self-test page. 

 
 
 
 
 
 
 
   
 
Notice: 

1.

 

Turn the printer power off when performing printer maintenance. 

2.

 

Don't touch or scratch the printing head surface with fingers or metal materials. 

3.

 

Avoid using gasoline, acetone or other organic solvent on the printer. 

4.

 

Turn on the printer and continue printing task after the ethylic alcohol completely 
volatilized. 

 

 

 

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