Brother TS-04 Error
What it means
The printer found the network but could not join it because the wireless security type does not match. This often happens with newer routers using WPA3, where switching the router to WPA2 or a mixed mode resolves it.
Guides that cover this kind of fault
A guide written for TS-04 itself is still being checked against the manufacturer's documentation. These cover the same underlying problem and are filed under wifi & network.
- Brother Printer Not Connecting to WiFi: Troubleshooting GuideTo fix a Brother printer not connecting to Wi-Fi, verify your router uses a 2.4GHz band and reconfigure the wireless settings using the printer...
- Epson Printer Not Connecting to WiFi: Setup and FixesReconnect your Epson printer to Wi-Fi by restarting your router and using the control panel to re-enter your network credentials. Ensure your router...
- Canon Printer Not Connecting to WiFi: Setup and FixesTo fix a Canon printer not connecting to Wi-Fi, restart both your router and printer, then ensure you are using a 2.4GHz network. If the connection...
Common questions
What does the TS-04 error mean on a Brother printer?
The printer found the network but could not join it because the wireless security type does not match. This often happens with newer routers using WPA3, where switching the router to WPA2 or a mixed mode resolves it.
Is the TS-04 error serious?
Not usually. Codes at this level normally clear once the condition they describe is dealt with, and a printer that carries on working afterwards has nothing further wrong with it.
Different code or problem?
Switch off and unplug a printer before reaching inside it. If a fault involves the power supply or internal electronics, or the machine is under warranty, contact the manufacturer or a qualified technician. Full disclaimer. Brand and code names are trademarks of their owners; PrinterFixUp is independent and unaffiliated.