Document scanner feeder scanner scan technology ccd scan format a4 supported document size 216 x 356 mm scan resolution 600 dpi interface usb 30 position of connectivity ports 1x usb rear max scan speed 60 pagesmin automatic document feed 80 sheets document feeder automatic colour depth 24 bit area of use office light source white led functions duplex scanning number of keys 6 compatible operating systems windows 7 windows vista windows xp wind