MFC-6890CDW FAQs & Troubleshooting MFC-6890CDW Not your product? Sort by: Updated Date Popularity 4 Results 1. 17.01.2014 I am having a problem receiving faxes. 2. 15.05.2013 I am using Voice Over Internet Protocol (VoIP) and I'm having problems receiving faxes. 3. 11.05.2012 Why doesn't the machine answer when receiving a call? 4. 22.10.2008 I cannot receive a color fax. Why? Fax FAQs & Troubleshooting