Canon RS40. Optical scanning resolution: 600 x 600 DPI, ADF scan speed (b/w, A4): 40 ppm, ADF scan speed (colour, A4): 30 ppm. Scanner type: Sheet-fed scanner, Product colour: White. Sensor type: CMOS CIS, Light source: RGB LED, Scan drivers: TWAIN. Standard input capacity: 40 sheets, Auto document feeder (ADF) input capacity: 60 sheets. Media thickness (min): 0.04 mm, Card thickness (max): 1.4 mm, Maximum scan width: 21.6 cm