I had the same problem. For some reason, the Debian package wasn't installing /etc/hp/hplip.conf.
Adding that file with the following contents fixed the error, so the HPLIP utilities could find the models.dat file. -------- [hplip] version=3.21.2 [dirs] home=/usr/share/hplip -------- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1744340 Title: missing models.dat file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/hplip/+bug/1744340/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs