HL-5270DN FAQs & Troubleshooting HL-5270DN Not your product? Sort by: Updated Date Popularity 3 Results 1. 22/03/2019 Protect your Brother machine against unauthorised access over the network 2. 23/07/2018 Use the Network Connection Repair Tool (Windows) 3. 31/10/2005 What is APIPA? Network Settings FAQs & Troubleshooting