So long as the cups package is installed it should "just work" -
https://ubuntu.com/server/docs/service-cups
"CUPS can be configured and monitored using a web interface, which
by default is available at http://localhost:631/admin. The web interface
can be used to perform all printer
Quick FYI to possibly help others in the interim.
Despite the above detailed issues, which I share (KDE neon 5.19 User
Edition (Ubuntu 20.04 LTS), HPLIP 3.20.3), I managed to get my HP
OfficeJet 6950 printing, connected via USB, by doing the following.
1. "sudo apt-get install hplip" - with all
