Thermal Printer Head WH-5801 is a high quality thermal printer head which makes printing more uniform and smooth. It is compact and operating in wide voltage (4.2V-8.5V). The unique design of WH-5801 allows easy to load and performs high reliability.Features:Easy paper loadingSmall size and lightmetal gear shaft, stable, reliable, long life, excellent heat dissipationHigh speed: up to 80mm/sWide operating voltage (4.2V-8.5V)High printing accuracy (8dots/mm)Long life of mechanical wear (more than 50km)Low noise: brushless magnetic stepper motor and special plastic gears reduce transmission noise.Specifications:Printing method: Thermal priManipulator ntingPrinting width: 48mm (paper width 58mm)Dot density: 8 dots/mmResolution: 384 dots/lineDot spacing: 0.125mmDot size: 0.125 x 0.12 mmPrinting speed: 80mm/s (motor drivMeter for ElecAir Clean Equipment tricity e voltage DC 8.5V)Paper feeding accuracy: 0.0625mmLife of printer head: ≥ 50km (based on 25°C)Operating voltage: 4.2V - 8.5VOperating logic voltage: 2.7V - 5.25VOperating temperature: +0°C - 50°COperating Humidity: 20% - 85% RHStorage temperature: -20°C - 60°CStorage Humidity: 5% - 95% RIndustrial Customized Service HCompatible to Fujitsu TP-628MCL701Dimension: 68(±0.3mm) x 31.6(±0.2mm) x 18.6(±0.2mCrane m)