DCP-L2640DW FAQs & Troubleshooting DCP-L2640DW Not your product? Sort by: Updated Date Popularity 3 Results 1. 11/29/2021 A security warning appears when accessing Web Based Management via HTTPS. 2. 11/29/2021 When accessing Web Based Management via HTTPS, I get a security warning that the connection is not private or that the site is not secure. 3. 03/25/2016 What is the Network Shared printing? Network Settings FAQs & Troubleshooting