SP900 User Manual
4.2 LED Indication and Beeper
Function specification of indicated light and beeper.
Notes:
1) The printer use a thermistor to detect the temperature of the print head. If the
temperature of print head is more than 65°C, printer will send a warning. If the
temperature of print head is more than 80°C, printer will stop working until the
temperature is less then 60° C.