Document scanner a3 scanner feeder scanner scan technology ccd scan format a3 supported document size 297 x 965 mm scan resolution 600 dpi interface usb 20 max scan speed 60 pagesmin automatic document feed 150 sheets document feeder automatic colour depth 24 bit functions duplex scanning compatible operating systems windows 7 windows vista windows xp windows 81 windows 8 windows 10 power consumption in use 395 watt colour gray width 427 mm