I tried reinstalling from hplip-3.20.5.run, I am attaching the errors in the attached images.
** Attachment added: "Schermata del 2020-06-05 09-38-26.png" https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1879206/+attachment/5380599/+files/Schermata%20del%202020-06-05%2009-38-26.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1879206 Title: cups hplip not install printer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1879206/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs