Canon DR-S350NW. Optical scanning resolution: 600 x 600 DPI, ADF scan speed (b/w, A4): 50 ppm, Duplex ADF scan speed (b/w, A4): 100 ipm. Scanner type: ADF scanner, Product color: Black, Display: LCD. Sensor type: CIS, Daily duty cycle (max): 9000 pages, Scan to: FTP. Auto document feeder (ADF) input capacity: 60 sheets. Maximum ISO A-series paper size: A4, Media thickness (min): 0.00157" (0.0400 mm), Card thickness (max): 0.0118" (0.3 mm)