Light flashing: printer is on, Bluetooth is with connection status
【
CHARGE
】
indicator
Blue light constant on: charging is completed;
Red light constant on: in charging;
Blue and red lights on: there are some mistakes, please check whether the battery should be
good contact or not, and the temperature is normal or not.
【
ERROR
】
indicator
Constant on lighting: printer out of paper
Light flashing: printer has mistakes. Different types of mistake, different ways of flashing
Error
Description
The flashing way of [ERROR]
ERROR
Memory
The printer can’t work normally after
the memory need to be read-write
calibration
Over voltage
The voltage of power is too high
Owe voltage
The voltage of power is too low
The CPU
execution
The CPU execution to the wrong
address