Brother IntelliFAX-1840c Color Inkjet Fax Machine 14.4 Kbps fax modem, as little as 6 seconds per page 20-page auto document feeder, 100-sheet front loading tray 8 MB memory, up to 300 pages for out-of-paper reception and transmission Auto phone/fax switching, caller ID, 50 station auto-dialing USB 2.0 interface for printing option