Power button

This button turns the printer on or off.

Feed button

Press this button once to feed the roll paper for one line. Hold down this button to continue feeding the roll paper.

Power LED

This turns on when the printer is on.

Error LED

Turns on when the printer is temporarily unable to print, such as when no roll paper is loaded or the roll paper cover is open. Flashes when an error occurs.

Charge LED

Indicates whether the battery is charging or not.

Battery LED

Indicates remaining battery charge.

Wi-Fi LED

Turns on when the printer is connected to Wi-Fi.

Bluetooth LED

Turns on when the printer is connected via Bluetooth.