Why Brother Printer Won’t Connect to Wi-Fi So let’s see if we can get you back on track quickly with some troubleshooting for your Brother printer WiFi setup. Technology is supposed to make the world more straightforward, but when it fails, it leaves you pulling your hair out with unexpected delays that ruin your schedule. However, if your Brother Printer won’t connect to WiFi, it turns what was once a convenience into a nuisance. WiFi printers are great, and Brother has a fantastic range of options to go wireless. How to Connect Brother Printer to Wi-Fi.Step 4 – Other Wireless Connection Solutions.Step 2 – Checking the Wireless Connection.Why Brother Printer Won’t Connect to Wi-Fi.