Canon CanoScan 8400F, 210 x 297 mm, 3200 x 6400 DPI, 48 bit, Flatbed scanner, CCD, USB 2.0 Canon CanoScan 8400F. Maximum scan size: 210 x 297 mm, Optical scanning resolution: 3200 x 6400 DPI, Input colour depth: 48 bit. Scanner type: Flatbed scanner. Sensor type: CCD. Standard interfaces: USB 2.0. Power supply type: AC, Power consumption (typical): 25 W, Power consumption (standby): 5 W