Canon ScanFront 400 ADF Network Document Scanner(Canon ScanFront 400) - Scan Speed: 45ppm, Resolution: 600dpi, Image Senor Type: CMOS CIS 1 Line Sensor (x2), Capacity: 85 Sheets , Automatic Document Feeder: 85 Sheets , Duplex Scan: Yes, Connectivity: LAN : 10Base-T/100Base-TX/1000Base-T (RJ-45 connector), 3x USB 2.0 (for USB Memory, Keyboard, Mouse, etc.), Features: Ultrasonic double feed detection, Double feed retry / release, Deskew, Folio Mode, Long document scanning, Skip Blank Page, Automatic document orientation, Background smoothing, Bleed-through reduction, Remove shadow, Colour drop-out / enhancement