Changing /usr/share/hplip/base/validation.py line 45 from "pgp.mit.edu" to "keyserver.ubuntu.com" works for me as well. But only with command line installation (hp-setup -i)
Changing /usr/share/ hplip/base/ validation. py line 45 from "pgp.mit.edu" to "keyserver. ubuntu. com" works for me as well. But only with command line installation (hp-setup -i)