... CPU, American Super Duo Core, makes the printing speed and efficiency more higher.4. Intelligent spray-head protection ... RTL,HP-RTL,HP/GL-2 Raster MergeInterface480MB High Speed USB2.0Power Supplyuniversal 180-246VAC, 47-63HZPower Consumption20W idle ... Chinese, Traditional Chinese, Korean, Japanese.Standard Print Speed at 600dpi, Speed (square meters per hour)Draft Mode600dpi1 pass9.7 m2/hProduction ...