I am also searching for it.
Not completely clear what "recently changed our wi-fi address" means. You changed the network name, password for the network or IP address?
Please review this KB article in its entirety.
Its for windows. Not sure which OS either of you are running as this was not mentioned. Using a USB cable during the set up process may help with device detection and connection. It can be removed once the wireless settings have been configured on the printer.
Bay Area - CA
~R5 C (22.214.171.124) ~RF Trinity, ~RF 100~400, +Canon Control Ring~6D2 (v1.1.1) Retiring ~EF Trinity, others ~DxO PhotoLab Elite ~Windows10/11 Pro ~EVGA RTX 3080Ti FTW3 Ultra ~ImageClass MF644Cdw ~Pixel6 ~CarePaks Are Worth It