MFC-L3730CDN FAQs & Troubleshooting MFC-L3730CDN Not your product? Sort by: Updated Date Popularity 2 Results 1. 25/05/2018 Set Telephone Line Compatibility for Interference and VoIP Systems 2. 14/06/2017 I am having an issue receiving faxes. More FAQs Fax FAQs & Troubleshooting