Flat bed scanner a3 scanner scan technology ccd scan format a3 supported document size 305 x 432 mm scan resolution 600 dpi interface usb 20 colour depth 48 bit scan documents documents functions document conversion ocr controls 7 scan buttons power supply ac adapter power consumption in use 36 watt colour gray software included newsoft presto imagefolio 45 plustek di capture plustek docaction iris readiris 10 pro corporate newsoft presto page