Document scanner feeder scanner scan format legal supported document size 216 x 356 mm scan resolution 600 dpi interface usb 20 max scan speed 15 pagesmin automatic document feed 20 sheets document feeder automatic colour depth 24 bit functions duplex scanning controls scan buttons compatible operating systems windows 8 windows 7 windows vista windows xp mac os x windows 81 windows 81 windows 8 windows 8 windows 10 power consumption in use 10 wa