Switching to a different wireless router, changing your Wi-Fi password, or moving to another internet provider can cause your Brother printer to lose its network connection. Because the device retains its previous wireless details, it may continue searching for the old network until you configure it with the new settings.
Fortunately, reconnecting a Brother printer to another Wi-Fi network is generally straightforward. You typically need to select the new network and enter its password. After completing the configuration, you can continue printing wirelessly from your desktop, laptop, smartphone, or tablet.