Photo scanner film scanner flat bed scanner scan technology ccd scan format a4 supported document size 216 x 297 mm scan areas 6x4 5 6x6 6x7 6x8 6x9 6x12 6x20 scan resolution 6 400 dpi interface usb 20 position of connectivity ports 1x usb rear max scan speed 5 pagesmin colour depth 48 bit opening angle 90 backwards light source readyscan led technology functions dust removal digital ice number of keys 1 compatible operating systems windows