User Manual
67 
19. TROUBLESHOOTING 
Check the following points before requesting for repair: 
 The power does not turn on 
•  Is the specified battery pack being used? 
•  Is the battery pack sufficiently charged? 
•  Is the battery pack installed correctly? 
 The printer does not print or connect 
•  Is the USB cable connected correctly? 
•  Do the specifications of the USB cable conform to its specifications of this manual? 
•  Does the used interface conform to the printer? 
•  Is the Bluetooth / Wireless LAN status normal? 
•  Is the communication condition between the printer and the host device correct? 
•  Is the specified thermal paper being used? Is the paper orientation (surface/back) correct? 
 An error is shown 
•  See "7 LED INDICATION OF PRINTER". 
•  Are the function settings of the printer correct? 
 The battery pack cannot be installed 
•  Is the battery pack connected correctly? 
•  Is the specified battery pack being used? 
 The battery runs out soon even if charged 
•  Has the battery been charged correctly? 
•  If the battery pack is charged correctly but does not last for a long time, it is almost dead. 
Replace it with a new one. 










