U Tax printer,Function- Copy, print, scan, fax,Print technology- Laser b/w,Original feeder- 75 sheet A4, A6R-A4, 50-120 g/m² (simplex), 50-110 g/m² (duplex) ,Copy/print speed- max 50 A4 pages/min, duplex: max 36 A4 pages/min,Copy resolution- 600 x 600 dpi,Paper output- 500 sheet A4, Operating systems- Windows XP, Vista, Windows 7/8/8.1, Server 2003/2008 R2/2012 R2,