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19. TROUBLESHOOTING
Check the following points before requesting for repair:
The power does not turn on
•
Is specified battery pack or AC adapter being used?
•
Is the battery pack sufficiently charged?
•
Is the battery pack installed correctly?
•
Are the AC cable and the AC adapter connected correctly?
•
Are the AC adapter and the printer connected correctly?
The printer does not print or connect
•
Is the interface cable connected correctly?
•
Are the specifications of the interface cable conformed to its specifications of this manual being
used?
•
Are used communication method and the function settings of the printer correct?
•
Is the Bluetooth / Wireless LAN 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 correctly oriented?
•
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.