type : flatbed colour image scanner photoelectric device : 6 line alternated col ccd with on-chip microlens res : 4800 x 9600dpi with micro step drive optical modes : 16-bit greyscale, 48-bit colour speed : b&w a4 300dpi 18 sec ,col reflective a4 300dpi 18 sec 35mm positive film 600dpi 34 sec,35mm negative film 600dpi 35 sec i/face: usb 2.0++ sw : epson scan,epson creativity suite,abbyy finereader sprint 5.00, newsoft presto biz 4 le, arcsoft photo impression 5 maximum effective scan area : 216 x 297mm os supp : win xp home ed/xp pro/me/98se/2000 pro/mac x 10.2.7+