type : desktop sheetfed scanner, 3-line contact image sensor (cmos) res : 600x600, 400x400, 300x300, 240x240, 150x150, 100x100 speed : b& w: 50ppm (simplex)/100ipm (duplex) 24-bit colour : 50ppm (simplex)/100ipm (duplex) scanning modes: b & w, adv text enhancement, high-speed text enhancement, error diffusion, 256-level greyscale, 24-bit col i/face: scsi-iii/hi-speed usb 2.0 dimensions (wxdxh): 398 x 312 x 191 mm ; weight : 10.5 kg paper handling : doc feeding: automatic or manual feeding capacity : 10mm stack or 100 sheets of 80gsm media size : width: 53-300mm/ length: 70-432mm * ultrasonic double feed detection * rapid recovery system * custom colour dropout * automatic page size detection * text orientation recognition * skip blank page * multistream, prescan