| Power on | Press and hold the power button for 2s to power on the printer. It will beep once. |
| Power off | Press and hold the power button for 2s to power off the printer. It will beep twice. |
| Print Bluetooth information page |
When the printer is powered on, press and hold the feed button for 1s to print Bluetooth information page. |
| Low battery warning | When the battery drops below 10%, it will flash red and power off automatically after 10s. |
| Overheat warning | Flashes red twice every other second. Printer will resume printing after temperature decreases. |
| Charging | Battery lights will alternate green flashes. Once fully charged, all 3 lights are illuminated. |
