Description Printing Method Thermal Paper Width 57.5mm Paper Diameter 55mm Printing width 48mm Resolution 203 DPI Printing Speed Up to 90mm/s Graphic printing Direct bitmap printing Paper Sensor Photo-sensor Head temperature detection Thermistor Communication Interface RS232 or RS232 with TTL level Supply Voltage 5 volts to 9 Volts Current Consumption 1.5 Ampere (3 Amp Max) Head Life 50km Operation condition 5~45℃，20~90%RH(40℃) Storage condition -40~60℃，20~93%RH(40℃
