Barcode label scale user manual

shows below.                                 

 

 

 

 

 

 

 

 

 

 

 

5. There is strange letter on the label. 

Reason: LFZK has not been downloaded. 

Treatment: Download LFZK again. 

 

①  Open the thermal printer head 

②  Clean the thermal printer head. 

Clean  the  thermal 

printer head.   

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43 

Questions about keyboard: 

 

1.  Display is normal but keyboard sounds continuously. 

Reason: There is a short circuit in keyboard. 

Treatment: change keyboard circuit. 

2. Key doesn‟t sound. 

Reason: a. Key wire is not inserted well. 

b. Electric rubber of key press circuit board is not installed well. 

c. The replaced kit is bad. 

Treatment: a. Check key wire and insert it again. 

                  b. Remove the electric rubber of key press and another location with rubber strip install again. 

                  c. If the problem can‟t be resolved yet, the selected kit is bad.