MFC-J491DW FAQs & Troubleshooting MFC-J491DW Not your product? Sort by: Updated Date Popularity 3 Results 1. 23.06.2022 I cannot use Gmail for Email functions (such as Scan-to-Email) and Internet Fax (I-Fax) 2. 14.12.2021 Telephone Line Interference/VoIP. 3. 29.06.2015 What is Distinctive Ring and how do I program it? Fax FAQs & Troubleshooting