Model ZD-E802 Printing Method Thermal Line Print width 72mm Resolution 576 Dots/Line or 512 Dots/Line 8dots/mm, 203dp Print speed 300mm/Second Interface USB / LAN / COM / BT/ WIFI Line Spacing 3.75mm Can be adjusted by command Line No. FontA-48Lines/FontB-64Lines Character Size ANK character,Font A: 1.5 3.0mm 24 dots