Lexmark MX521
Note: Make sure that fax is configured. For more information, see Setting up the printer to fax.
Load an original document into the ADF tray or on the scanner glass.
From the home screen, touch Fax, and then enter the needed information.
Touch Darkness, and then adjust the setting.
Send the fax.
Change the toner density setting of your printer to get the best prints.
Change the display brightness to see printer icons and text more clearly.