MFC-J4540DW(XL) FAQs & Troubleshooting MFC-J4540DW(XL) Not your product? Sort by: Updated Date Popularity 2 Results 1. 08/19/2021 I am having an issue receiving faxes. 2. 05/16/2019 Telephone Line Interference/VoIP. Fax FAQs & Troubleshooting