The Xerox Docu Mate 3920 scans documents at 20 ppm (pages per minute) or 14 ipm (images per minute) in duplex. It supports LDAP (lightweight directory access protocol) for direct access to Microsoft Exchange Server email directories & SMTP server support so that small businesses without elaborate Exchange servers or large IT departments can configure their scan-to-email with internet & ISP based mail services. The convenient 50-page capacity automatic document feeder can handle paper from 5.5” x 5.5” up to 8.5” x 14” documents. The built-in Ethernet connection gives the device full or limited network privileges via a simple web-based network management tool.