Print method Thermal line Point / Line 1152 points / lines Dot density 8 dots / mm Effective printing width 144 mm Print speed of 50 to 90 mm / sec Paper width 150 mm Paper thickness from 60 to 135 microns Easy paper loading paper Character dot matrix, the number of characters / line 12 × 24 dot matrix, 96 characters / line 24 × 24 dot matrix, 48 characters / line 8 × 16 dot matrix, 144 characters / line 16 × 16 dot matrix, 72 characters / line Dimensions (W × D × H) 53.8 × 180.7 × 40.8 MM Weight 422 g Life 110 million pulses or more (printing rate = 12.5%) 50 km or longer Operating Environment Operating temperature 0 ° C ~ 50 ° C Operating humidity 20 ~ 85% RH Storage temperature -20 ° C ~ 60 ° C Storage humidity 5 ~ 90% RH Detection Head temperature detection thermistor Paper Out detection photoelectric detection Head position detection photoelectric detection