De******ion:Standard functions S: print, copy, color scanX: print, copy, color scan, faxup to 21 ppm Maximum paper size: 8.5 x 14 in./A4 50-sheet automatic document feeder on Phaser 3100MFP/X model Paper capacity: 250-sheet main tray and 1-sheet bypass tray USB connectivity standard Manual two-sided output Scan destinations: desktop, USB flash drive, and TWAIN/WIA applications Scanning software for scan management Embedded fax on 3100M... (read more)http://drivers.softpedia.com/get/PRI...111-WHQL.shtml