Lexmark MX317
Fax shortcuts are just like the speed dial numbers on a telephone or fax machine. A shortcut number (1–999) can contain a single recipient or multiple recipients.
Load an original document faceup, short edge first into the ADF tray or facedown on the scanner glass.
Notes:
If you are loading a document into the ADF tray, then adjust the paper guides.
Press # , and then enter the shortcut number on the keypad.
Press .
Here are troubleshooting steps when unable to 'Send' a fax with Laser Multifunction Printers (MFPs).
Limited Time to Enter the Fax Shortcut Key when Using the Keypad in the Fax Menu