Lexmark MX331
Note: Make sure that fax is configured. For more information, see Setting up the printer to fax.
From the home screen, touch Settings > Fax > Fax Setup > Fax Receive Settings > Admin Controls.
Set Block No Name Fax to On.
Learn how to hold received fax messages from printing until they are released.
Having problems sending or receiving fax messages using etherFAX? Here are basic troubleshooting steps.