No lights on the panel

Check whether the power supply cable is correctly connected to the printer and the socket.
Connecting Cables

Power LED is flashing

The Power LED flashes during the network to start up when the printer is turned on, or the firmware is updating. You cannot print while updating.

Error LED is on

• Check whether the roll paper cover is closed.

• Check if a paper jam has occurred or a foreign substance has entered the autocutter.
  When the Roll Paper Jams
  The Roll Paper Cover Does not Open

• The thermal head and its surroundings can be very hot. Printing stops if this is too hot. Printing starts again automatically when the thermal head temperature falls.

Paper LED is on

• Check whether the roll paper is correctly installed and any roll paper remains.
  Installing or Replacing the Roll Paper

Error LED is flashing

Turn the printer off, and after 10 seconds, turn it back on. If the Error LED turns on again even after turning the power back on, a malfunction may have occurred. Contact qualified service personnel.