Xerox DocuMate 3125 Duplex Color Document Scanner for PC and Mac Duplex 50-page ADF Scanner Ultrasonic Double Feed Detection Sensor.DF Maximum Paper Size: 8.5 x 38 inches. ADF Minimum Paper Size: 2 x 2 inches Create searchable PDF files to make it easy to find scanned documents Capable of scanning ID and business cards up to 0.8 mm thickness Scans up to 70 images per minute (ipm) in duplex