MFC-3100C FAQs & Troubleshooting MFC-3100C Not your product? Sort by: Updated Date Popularity 3 Results 1. 05/10/2013 Why doesn't the machine answer when receiving a call? 2. 05/10/2013 Why doesn't the machine answer when receiving a call? 3. 05/24/2006 I cannot receive a color fax. Why? Fax FAQs & Troubleshooting