Ricoh fi-7800 fi 7800 fi7800 - Document scanner - Dual CCD - Duplex - 304.8 x 431.8 mm - 600 dpi x 600 dpi - up to 110 ppm (mono) / up to 110 ppm (colour) - ADF (500 sheets) - up to 100000 scans per day - USB 2.0