4"thermal printer mechanism, Seiko LTPV445 compatible
Printer control board with serial (RS232&TTL) interface is available. 

Easy paper loading, label paper and thick thermal paper printing supported, 90 deg. paper feeding, out-of-paper detection, low noise, long life service (50km, 100miliion pulse) 

Printing method: Thermal line DOT printing 
Number of dots/line: 832 
Resolution: 8 
Printing width (mm) : 104 
Paper width (mm) : 112 
Printing speed: 85mm/s(7.2V~8.5V) 
Dot pitch (mm) : 0.125 
WxDxH (mm): 125*34.5x39.5
Weight (g) : Approx. 130 
Life span: 50KM & 100 million pulse 
Head temperature detection: By thermistor 
Out of paper detection: By Photo interrupter 
Working power voltage 4.2V~8.5V
Working logic voltage 3.0V~5.5V 

Application: weighing scale, medical device, industrial control detecting instrument etc