MFC-8870DW FAQs & Troubleshooting MFC-8870DW Not your product? Sort by: Updated Date Popularity 3 Results 1. 21/12/2012 Why doesn't my Brother machine have a dial tone? 2. 16/03/2012 Why doesn't the machine answer when receiving a call? 3. 28/09/2009 I can receive a fax, but cannot receive a call. More FAQs Telephone FAQs & Troubleshooting