1. Reboot again, and do a reset action
2. Paper or Ribbon is not loaded (light show) or paper Ribbon is incompatible with this machine, please use standard paper Ribbon, is a machine issue.
3. Determines whether the self test (SELFTEST)-if not self test, is likely to be the motherboard problem, replacement of the motherboard, and further testing.
4. Machine self test OK, but to print out time with no response-please change the RS232 line from coml send printed information, if it can be printed, this is motherboard error occurs, please be sent back to the dealer to replace the motherboard.
5. Does not use the original wires, barcode machine special pin jumper wires are, unlike the General not mix