Where can I find the complete user guide and advanced instructions for my Brother HL-B2080DW?

You can access the Online User's Guide at support.brother.com/manuals, which contains comprehensive information about print operations, mobile device functions, troubleshooting, and network usage. If you have Windows installed, you can also use the Brother Utilities tool, which is included in the standard installation and can be accessed from your desktop shortcut or Windows Start menu (Page 7).