MFC-6490CW FAQs & Troubleshooting MFC-6490CW 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. 16/11/2009 I cannot receive a color fax. Why? Fax FAQs & Troubleshooting