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17. 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 communication 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 displayed
• See "7. LED DISPLAY 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.
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