Print method:thermal dot line printing Dots per line:640 dots Resolution:8 dots/mm Print width:80mm(Max) 72mm(Recommended) Maximum printing speed:150 mm/s Paper feed pitch:0.0625mm Paper type:Thermal receipt paper/label paper Paper width:80mm Paper thickness:56~150um Head temperature detection:Via thermistor Paper end detection:Via transmission type photo interrupter Black mark detection:Via reflection type photo interrupter Platen open detection:Micro switch Cutter reset detection:Micro switch W*D*H(mm):126.76*91.9*56.4 Weight:503g