MFC-8820D FAQs & Troubleshooting MFC-8820D Not your product? Sort by: Updated Date Popularity 3 Results 1. 15.12.2014 I am using Voice Over Internet Protocol (VoIP) and cannot send and/or receive faxes. What can I do? 2. 10.05.2013 Why doesn't the machine answer when receiving a call? 3. 18.12.2008 I am experiencing problems receiving faxes. What can I do? Fax FAQs & Troubleshooting