"Good" Linux support means being able to just download a PPD and shove it into CUPS. AFAIK HP is the only one that requires their own crappy GUI on top.

Personally, I never ever had to use hplip's GUI tool, except for configuring wireless printing. After doing so, I could uninstall it and use bog-standard CUPS.

I've had a couple of HP printers on Linux and they didn't require a GUI.

The only time I had to use (admittedly annoying) HP GUI installer is for scanner part of HP CM1015 MFP. Printer part of the same MFP worked fine with just normal CUPS.

At my previous job we installed dozens of different HP printers on Linux. We never needed to launch a GUI.

Just check on https://www.openprinting.org/printers to make sure whatever you want to get is supported.

Generally, I have less problems with printers like the XP-320 than HP printers because they are just download the PPD -> good to go. No fucking with HPLIP or an entire software stack around it.

How is the support good? I've bought a pro laserjet and the wireless wont work (bug is years old), manual duplex won't work, the print jobs like to go disappear into some limbo every now and then...

Did we now say perfect somewhere?

The Laserjet I have is a real pain to get working under Linux. It also looses its firmware every time it is unplugged.