@till-kamppeter, I'm not certain what you mean by the "upstream source." The printer auto-installed when I installed Ubuntu 20.04 shortly after its release.
After your post, I did: # apt purge cups cups-client cups-bsd # apt purge hplip hpijs printer-driver-gutenprint # apt autoremove # reboot # apt install cups cups-client cups-bsd # apt install printer-driver-gutenprint printer-driver-hpcups printer-driver-hpijs printer-driver-postscript-hp # reboot # journalctl -b 0 and got >2000 consecutive entries reading: AVC apparmor="DENIED" operation="create" profile="snap.hplip-printer- app.hplip-printer-app-server" pid=2211 comm="hplip-printer-a" family="inet" sock_type="stream" protocol=0 requested_mask="create" denied_mask="create" AppArmor is not expressly configured (meaning no one here manually configured it) on this system. I'd guess this is what's at work but don't know. Please advise. Otherwise, regarding snap, I don't code around others' steaming piles. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1960601 Title: Ubuntu 20.04 stopped detecting HP LaserJet P2055dn after this morning's update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1960601/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
