one blue light is on when the power is from0~30%， two are on when reaches 30~60%， three are on when reaches60-100%.
The paper out reminder is that the buzzer will sound 3 timesand the three indicators will flash continuously.
Continuously press the paper feed key for 5s， it willautomatically print the self-test page，and will automaticallyshut down after 5s
Under normal conditions, press the paper feedkey after loading the paper roll. After self-checking, continuously press the paper feedkey twice.
1. The printer is not cleaned fora long time， causing themowement to be cantaminated The printing movement shouldbe cleaned.
2. Poor printing consumables. Please set the printing color and printing performance .Please use G&G original standard consumables.
The paper is reversed. Please re-direct the printingpaper.
The battery is Weak.Please charge in time.
The battery is dead.Please charge immediately.
Consumables are of poor quality.Please use G&G original high quality consumables.
