Ensure that your Wi-Fi network is working correctly and that other devices can connect to it. Double-check the Wi-Fi password to make sure you are entering it correctly. Turn off your Brother printer and unplug it from the power source. Wait for a few minutes and then plug it back in and power it on. Sometimes, a simple restart can resolve connectivity issues. Check the Wi-Fi indicator light on your Brother printer. If it's blinking or not lit, it may indicate a connectivity problem. To know more about
brother printer won't connect to wifi. Access your printer's control panel or display screen (if it has one). Navigate to the Wi-Fi or Network settings. Select the option to reconnect to your Wi-Fi network. Follow the on-screen instructions to enter your Wi-Fi network name (SSID) and password.