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