Print method Thermal line Point / Line 288 dots / line Dot density 8 dots / mm Print speed 200 dot lines / s (25 mm / sec) (Voltage 5.0V) 450 lines / sec (56.25 mm / sec) (Voltage 7.2V) 640 dot lines / sec (80 mm / sec) (Voltage 8.0V) Effective print width 36 mm Paper width 44 ± 1 Paper thickness from 60 to 100 microns Easy paper loading paper Character dot matrix, the number of characters / line 12 × 24 dot matrix, 24 characters / line 24 × 24 dot matrix, 12 characters / line 8 × 16 dot matrix, 36 characters / line 16 × 16 dot matrix, 18 characters / line Supply 2.7V ~ 8.0V, 3.0A (max) Dimensions (W × D × H) 57.55 × 32.7 × 15.1 Weight 34 g Life 110 million pulses or more (printing rate = 12.5%) 50 km or longer Operating Environment Operating temperature 0 ° C ~ 40 ° C Operating humidity 20 ~ 80% RH Storage temperature -25 ° C ~ 70 ° C Storage humidity 10 ~ 90% RH Detection Head temperature detection thermistor Paper end detection photodetector Black mark detection photodetector