Document scanner scan technology ccd scan format a4 supported document size 216 x 356 mm interface usb 30 position of connectivity ports 1x usb rear max scan speed 60 pagesmin automatic document feed 80 sheets document feeder automatic functions slant correction duplex scanning controls scan buttons compatible operating systems windows 8 windows 7 windows vista windows xp windows server 2008 windows server 2012 windows 81 linux windows 81 windows 8