Who in their right mind is going to dedicate their free time to writing printer drivers in 2020? Forking solves the problem of a poor maintainer holding up things, it doesn't just spawn interested developers out of nowhere.
https://developers.hp.com/hp-linux-imaging-and-printing
Everything works perfectly.
There’s a few more nitpicks around paper selection, dual side printing etc.
Well, as long as you don't mind changing your init system:
So clearly some developers are willing to contribute and improve it.