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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.