Scanner Ricoh fi-8040Scanner Type: ADF (Automatic Document Feeder)/Manual Feed, DuplexScanning Speed (A4 Portrait), (Color/Grayscale/Monochrome): Simplex : 40 ppm (200/300 dpi), Duplex : 80 ipm (200/300 dpi)Image Sensor Type: : CIS x 2 (front x 1, back x 1)Light Source: RGB LED x 2 (front x 1, back x 1)Optical Resolution: 600 dpiOutput Resolution: (Color/Grayscale/Monochrome) : 50 to 600 dpi (adjustable by 1 dpi increments), 1,200 dpi (driver)Output Format: Color: 24-bit, Grayscale: 8-bit, Monochrome: 1-bitBackground Colors: WhiteDocument Size Maximum: 216 x 355.6 mm (8.5 x 14 in.) Minimum: 50.8 x 50.8 mm (2 x 2 in.) Long Page: Scanning (Maximum) 5,588 mm (220 in.)Paper Weight (Thickness) Paper : 40 to 209 g/m? (11 to 56 lb) Plastic Card 0.76 mm (0.0299 in.) or lessADF Capacity: 50 sheets (A4 80 g/m? or Letter 20 lb)Expected Daily Volume: 6,000 sheetsMultifeed Detection: Overlap detection (Ultrasonic sensor), Length detectionInterface: USB 3.2 Gen1x1/USB 3.0/USB 2.0/USB 1.1, Ethernet10BASE-T, 100BASE-TX, 1000BASE-T