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4. TROUBLESHOOTING 
4.1 Common Problems 
 
The following  guide lists the most common problems that might be encountered  when 
operating this bar code printer. If the printer still does not function  after all suggested 
solutions have been invoked, please contact the Customer Service Department of your 
purchased reseller or distributor for assistance. 
 
Power indicator does 
not illuminate 
* The power  cord is not properly 
connected. 
* Plug the power  cord in printer  and outlet. 
* The printer  carriage is open. 
* Please close the print carriage. 
* The ribbon  is installed incorrectly. 
* Supply a new ribbon roll. 
* Please refer  to the  steps in user’s manual to 
reinstall the ribbon. 
* The label is installed incorrectly. 
* Gap/black-mark  sensor is not 
calibrated. 
* Supply a new label roll. 
* Please refer  to the  steps in user’s manual to 
reinstall the label roll. 
* Calibrate  the gap/black-mark  sensor. 
* Gap/black-mark  sensor is not set 
properly. 
* Make sure label size is set properly. 
* Labels may be stuck inside the printer 
mechanism. 
* Calibrate  the gap/black-mark  sensor. 
* Set label size correctly. 
* There  is no cutter installed on the 
printer. 
* Cutter PCB is damaged. 
* If the cutter module is installed, please press UP 
or DOWN key to rotate the cutter up or down to 
make the knife back to the right position. 
* Remove  the label. 
* Make sure the thickness of label is less than 
0.254 mm (10mil) 
* Replace  a cutter PCB.