MFC-7440N FAQs & Troubleshooting MFC-7440N Not your product? Sort by: Updated Date Popularity 3 Results 1. 01/20/2014 I'm using Voice Over Internet Protocol (VoIP) and am having problems receiving faxes. 2. 01/17/2014 I am having a problem receiving faxes. 3. 04/25/2013 Why doesn't the machine answer when receiving a call? Fax FAQs & Troubleshooting