Why won’t my Lexmark printer connect to Wi-Fi?
https://ansungames.com/lexmark-printer-wifi-connection-issues/
A Lexmark printer that will not connect to Wi-Fi can interrupt your work, but the problem is often caused by simple issues such as incorrect passwords, weak wireless signals, outdated software, temporary communication errors, or incorrect network settings. In most cases, these issues can be resolved with careful troubleshooting.