Lexmark MX812
Fax shortcuts are like the speed dial numbers on a telephone or a 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.
From the printer control panel, press #, and then enter the shortcut number using the keypad.
Touch Fax It.
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