Install WPS in WRT3200ACM

Installing and Using OpenWrt Network and Wireless Configuration
#1

Help to install and configure WPS in OpenWRT 19, in WRT3200ACM

I do not understand how this service is not installed by default, as I am supposed to connect a WIFI printer to a router.

Greeting

#2

Does this help?
https://openwrt.org/docs/guide-user/network/wifi/basic#wps_options