Feeder scanner scan technology cis scan format legal supported document size 216 x 356 mm scan resolution 600 dpi interface usb 20 max scan speed 9 pagesmin automatic document feed 20 sheets document feeder automatic colour depth 48 bit light source led controls 3 scan buttons compatible operating systems windows 7 windows vista windows xp windows 2000 windows 81 windows 8 windows 10 colours gray black software included abbyy finereader plust