Scanner Canon imageFORMULA DR-C225W II Desktop Type Sheet Fed Scanner, ADF (30 sheets) 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 Wi-Fi IEEE802.11b/g/n (Windows, iOS, Android) 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