Book scanner ergonomic design for shadow free book scans book pilot software scan technology ccd scan format a4 supported document size 210 x 297 mm scan resolution 1 200 dpi interface usb 20 position of connectivity ports 1x usb rear max scan speed 9 pagesmin colour depth 48 bit light source white cold cathode tube functions document conversion controls 4 scan buttons delete colour gray bw compatible operating systems windows 8 windows 7 windo