MFC-8440 FAQs & Troubleshooting MFC-8440 Not your product? Sort by: Updated Date Popularity 3 Results 1. 17/09/2014 I am experiencing problems receiving faxes. What can I do? 2. 16/09/2014 I am using Voice Over Internet Protocol (VoIP) and cannot send and/or receive faxes. What can I do? 3. 03/08/2009 Why doesn't the machine answer when receiving a call? More FAQs Fax FAQs & Troubleshooting