... technology,Drop-on-demand Piezo electricPrinthead,6(spt510/255), 6colors, C,M,Y,KPrint width,3.2MResolution,1440dpi maxSpeed,2pass 48m/h ... ,4.6m*0.7m*1.4mOperation Environment(Temperature)18-26°C (Humidity)40%-70%Power Supply50hz/60hz 220v(10%)20A Configuration ...