MFC-640CW FAQs & Troubleshooting MFC-640CW Not your product? Sort by: Updated Date Popularity 3 Results 1. 01/13/2009 What is Distinctive Ring and how do I program it? 2. 01/20/2006 How do I set up my Brother machine's built-in Message Center? 3. 12/27/2005 How do I store numbers on my fax machine for easy dialing? (One-Touch, Speed Dial) Telephone FAQs & Troubleshooting