I mean “may not” because it is seldom used.

But if you have to use, here is something you can try manually.

Document you can refer to [OpenWrt Wiki] Wi-Fi /etc/config/wireless

First, pls use AR150, AR300M, AR750 or AR750s. Other models does not work for this guide

Second, add wps support to the wifi you want to connect:

Add option wps_pushbutton '1' to a config wifi-iface section that is configured for WPA2-PSK in /etc/config/wireless

Third, try activate it using the following command

hostapd_cli wps_pbc

Finally, connect your printer now.

You can easily attach this function to the reset button by editing the script in/etc/rc.button/

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