MFC-425CN FAQs & Troubleshooting MFC-425CN Not your product? Sort by: Updated Date Popularity 3 Results 1. 16/09/2014 I am using Voice Over Internet Protocol (VoIP) and cannot send and/or receive faxes. What can I do? 2. 05/08/2009 Why doesn't the machine answer when receiving a call? 3. 09/12/2005 I cannot receive a colour fax. More FAQs Fax FAQs & Troubleshooting