Desktop Type Sheet Fed Scanner, ADF 45-sheets (A4, 80g/m²) Scanning sensor unit : CMOS CIS 1 Line Sensor Optical resolution: 600dpi Light source: RGB LED Scanning side: Simples / Duplex / Folio / Skip Blank Page Interface: High speed USB 2.0 (USB 3.0 compatible) Scanning Specifications: Black and White: 25ppm/50ipm Colour: 25ppm/50ipm Output resolution: 150dpi, 200dpi, 300dpi, 400dpi, 600dpi, Auto Resolution Setting Suggested Daily Duty Cycle: Approx 1,500 scans/day Double Feed Detection: Ultrasonic Sensor / By Length