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5. Finish pairing
Note:
a. When pairing, printer must be kept power on.
b. When the Bluetooth of printer and host device are well-paired, printer
Bluetooth will not be available for other host device connection till the printer Bluetooth
disconnected from the paired host device
c. After well-pairing, printer MODE indicator flashes 2 times
5.4 Indicator and Buzzer Description
【
ERROR
】
Indicator:
The printer has three indicators: 3-color BATTERY, green MODE, and red ERROR
indicators.
The definition of the indicator as below:
【
MODE
】
Indicator:
Long lit: The printer is turned on and the wireless module (Bluetooth, WI-FI) in a
disconnected state.
Flash 1 time: External power supply is plugged, but the printer is turned off.
Flash 2 times: The printer is turned on and the wireless module (Bluetooth, WI-FI) is
connected.
【
ERROR
】
Indicator:
Long lit: printer is out of paper
Flash: Printer appears error. Different flashes, different errors.
1. Automatic recoverable error, indicator light continuous flashing. Such as print head
temperature error.
Error type
Error description
ERROR flashing way
Automatic
recoverable
error
indicator continuous flashing: print
head over-heated
2. Unrecoverable error. After flash several times, LED light is on for a period, and then
cycling. The number of flashes indicates the type of error.
Error type
Error description
ERROR flashing way
Unrecoverable
error
flash 1 time: Memory read and
write errors
flash 2 times: Overvoltage
flash 3 time: voltage shortage
flash 4 times: CPU Execution
errors (wrong address)
flash 5 times: UIB error
flash 6 times: FLASH write error
flash 7 times: Parameter write
error