Book scanner special book edge design searchable pdf auto rotate scan technology ccd scan format a4 supported document size 210 x 297 mm scan resolution 1 200 dpi interface usb 20 max scan speed 9 pagesmin colour depth 48 bit light source cold cathode functions document conversion controls 4 scan buttons delete colour gray bw compatible operating systems windows 8 windows 7 windows vista windows xp windows 2000 mac os x windows 81 windows 8