MFC-J6945DW FAQs & Troubleshooting MFC-J6945DW Not your product? Sort by: Updated Date Popularity 3 Results 1. 10/17/2018 Telephone Line Interference/VoIP. 2. 06/13/2017 I am having a issue receiving faxes. 3. 05/29/2013 I cannot receive a color fax. Fax FAQs & Troubleshooting