DESC: The OKIFAX 5650 is the fast, full-featured fax solution with multi-function and network fax options for growing businesses.Dual access feature enables the machine to perform two functions at once, such as setting up an outgoing fax while another fax is coming in The fast 33.6 Kbps modem transmits a page in 3 seconds. Standard 2.5 MB memory lets you scan and store up to 200 pages. Optional 4 MB expansion card lets you increase stored page capacity to 520 pages.Standard universal paper tray holds 250 sheets of either legal or letter-size paper; optional 500-sheet paper tray expands paper-handling capacity to 750 sheets