Changing the settings from the printer’s LCD screen 

  1. Press the [Menu] button.
  2. Select [Settings] using the arrow_up arrow_down buttons, and then press the [OK] button.
  3. Select [Auto Power Off] using the arrow_up arrow_down buttons, and then press the [OK] button.
  4. Select [Adapter] using the arrow_up arrow_down buttons, and then press the [OK] button.
  5. Select [Off] using the arrow_up arrow_down buttons, and then press the [OK] button.
  6. Also set the time to [Off] for [Li-ion battery], following the steps above.