Ricoh FI-7900 ADF + Manual feed scanner 600 x 600 DPI A3 Black, GreyRicoh FI-7900. Maximum scan size: 304.8 x 431.8 mm, Optical scanning resolution: 600 x 600 DPI, Output colour depth: 24 bit. Scanner type: ADF + Manual feed scanner, Product colour: Black, Grey. Sensor type: Dual CCD, Daily duty cycle (max): 120000 pages, Light source: White LED (4x). Auto document feeder (ADF) input capacity: 500 sheets. Maximum ISO A-series paper size: A3, ISO A-series sizes (A0...A9): A3, A4, A5, A6, ISO B-series sizes (B0...B9): B5, B6ScanningMaximum scan size304.8 x 431.8 mmOptical scanning resolution600 x 600 DPIColour scanningYesDuplex scanningYesOutput colour depth24 bitOutput greyscale depth8 bitOutput monochrome depth1 bitADF scan speed (b/w, A4)140 ppmADF scan speed (colour, A4)140 ppmDuplex ADF scan speed (b/w, A4)280 ipmDuplex ADF scan speed (colour, A4)210 ipmBlack/white scanning colour modesGrayscale, MonochromeDesignScanner typeADF + Manual feed scannerBuilt-in displayYesProduct coloue