18.04 has no support for my printer

[Ralf Mardorf]

Hi,

I didn't follow this thread, so I don't know if this is relevant:

https://www.google.de/search?ei=&q=ubuntu+printer+group
  https://askubuntu.com/questions/168825/what-permission-do-i-need-to-add-an-hp-printer-with-hp-setup

https://www.google.de/search?&q=ubuntu+group+lp
  https://askubuntu.com/questions/219083/default-groups-for-user-in-ubuntu

sudo gpasswd -a $USER lp
sudo gpasswd -a $USER lpadmin
logout and login
sudo hp-setup

For better printing quality you might want to take a look at gutenprint.