12. The printer LED indicator.

- Green light flashes slowly: printing paused, short press the paper feeder button once to resume the current printing process.

- Red light flashes quickly: paper error/out of paper, check if there is any paper sticking or jam. Make sure the labels are loaded correctly.

- Red light flashes slowly: uncap error, make sure the upper cover is fully closed.

- Orange light flashes slowly: printerhead overheated, printer will automatically resume once the printer head has cooled down.

- Blue light flashing: Bluetooth is pairing.

- Steady blue light: Bluetooth is connected.

- Blue light off: Bluetooth is not connected.