Canon CanoScan 8400F, 216 x 297 mm, 3200 x 6400 DPI, Flatbed scanner, CCD, USB 2.0, AC Canon CanoScan 8400F. Maximum scan size: 216 x 297 mm, Optical scanning resolution: 3200 x 6400 DPI. Scanner type: Flatbed scanner. Sensor type: CCD. Standard interfaces: USB 2.0. Power supply type: AC, Power consumption (typical): 20 W