Document scanner a3 scanner scan technology ccd scan format a3 supported document size 305 x 5080 mm scan resolution 600 dpi interface usb 20 automatic document feed 100 sheets document feeder automatic light source led functions image rotation controls 4 scan buttons compatible operating systems windows 8 windows 7 windows vista windows xp windows 2000 windows 81 windows 81 windows 8 windows 8 windows 10 colours white black software included