How to troubleshoot a Lexmark printer offline?

https://printmartdg.com/blog/lexmark-printer-offline-troubleshooting-guide

A Lexmark printer going offline can interrupt your work and prevent you from printing important documents when you need them most. You may notice that your printer is powered on and appears ready, yet your computer still shows it as offline. As a result, print jobs remain in the queue, and nothing is printed. Fortunately, an offline status does not always indicate a serious problem. In many cases, the issue is caused by temporary communication interruptions, incorrect printer settings, outdated drivers, network problems, or a stuck print queue. Most of these issues can be resolved by following a few straightforward troubleshooting steps.