Plasma settings won't auto-detect network printer

I’ve never had this issue with any distro before, so I don’t know where to begin troubleshooting. Avahi, cups, and plasma’s printer configuration packages are all installed (I just checked “printer support” during installation). When I click “Add printer”, it seems like it looks for a printer on the network, then fails falls back to manually entering IPP addresses/paths.

The printer is on, awake, and connected to the WiFi. What are the first steps I should take for troubleshooting?

Did you open the ports in the firewall?

The instructions for printers are down at the bottom of this page:

This was indeed the issue, thank you! I’ve never run a distro with firewalld before.

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