Flat bed scanner document scanner film scanner scan technology ccd scan format a4 supported document size 216 x 297 mm scan areas 6x4 5 6x6 6x7 scan resolution 9 600 dpi interface usb 20 position of connectivity ports 1x usb rear max scan speed 8 pagesmin colour depth 48 bit opening angle 90 backwards area of use office light source white led functions prescan scan to cloud dust removal scratch removal number of keys 7 controls 7 scan butto