Printer brother wifi

You do not need to install ANY software to use it.

Just connect it to a test network and dump the traffic.

I’ve verified that my ~2017 Brother never tries to connect anywhere, which is nice.

You should consider wiring it if you can since they often don’t support EAP or WPA3, so no PFS.

There is also an open-source helper to update the firmware here: GitHub - CauldronDevelopmentLLC/oh-brother: A simple cross-platform utility written in Python which can update Brother printer firmwares

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