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Brother Printer 421w Won't Connect to Network
Brother Printer 421w is a reliable and high-quality printer that is used by many offices and households. While this printer is designed to connect to networks effortlessly, sometimes it may fail to connect. If your Brother Printer 421w won't connect to the network, this article will help you fix the problem and get your printer running again.
1. Check Connection Settings
One of the most common reasons for a Brother Printer 421w not connecting to the network is incorrect connection settings. To check and verify the settings, follow the steps below:
Press the "Menu" button on the printer.
Scroll and select "Network" and then "WLAN" and then "TCP/IP."
Ensure that "Obtain IP Address Automatically" is selected.
Click on "Ok" to save the settings.
If the settings are already correct, try restarting your printer and router to see if the connection is restored.
2. Ensure the Router is Compatible
If your Brother Printer 421w doesn't connect to the network even with the correct settings, the problem could be an incompatibility issue with your router. Many routers have compatibility issues with certain printers, and it's essential to verify that your router is compatible with the Brother Printer 421w before trying to connect it to the network.
Check the manufacturer's website and manual to see if your router is compatible and ensure that you have downloaded and installed all the required drivers for your printer.
3. Disable Firewall and Antivirus Software
Firewall and antivirus software can interfere with your printer's network connections, causing it not to connect to the network. You can fix this problem by temporarily disabling the software to allow your printer to connect to the network.
Some antivirus software has a dedicated gaming mode that disables certain features to allow you to use your printer. Enabling this mode can also help fix connectivity problems with the Brother Printer 421w.
4. Reset the Printer
If none of the above solutions work, try resetting your printer to its default settings. This will erase all the previous settings and allow you to start the setup process from scratch. Here's how to reset your Brother Printer 421w:
Press the "Power" button to turn off the printer.
Unplug the printer's power cord from the wall outlet.
Wait for at least 30 seconds before reconnecting the power cord.
Turn on the printer and wait for it to initialize.
Next, configure your printer to connect to the network by entering the network details correctly.
Conclusion
If your Brother Printer 421w won't connect to the network, it can be frustrating and inconvenient. However, by following the above troubleshooting steps, you can fix the problem quickly and easily. If none of these steps work, call your printer's customer service center for assistance.





