How Do I Change My Brother Printer to a New Wi-Fi Network?
https://www.linkedin.com/pulse/how-do-i-change-my-brother-printer-new-wi-fi-network-robert-mark-8ylac
Changing your Wi-Fi network can disconnect your Brother printer from your computer and other devices. This often happens when you install a new router, change your Wi-Fi name, or update your wireless password.