MFC-J870DW FAQs & Troubleshooting MFC-J870DW Not your product? Sort by: Updated Date Popularity 4 Results 1. 05/11/2020 Enable the Brother machine's network interface. 2. 03/25/2016 Discover the MAC address of the Brother network card 3. 04/18/2014 Print the Network Configuration Report 4. 05/29/2013 Reset the network settings to the factory default. Network Settings FAQs & Troubleshooting