I tried installing a printer via GUI after the last suggested commands. Then I gave the commands:
~$ ls -l /var/log/cups/* -rw-r----- 1 root adm 5058 mag 22 21:37 /var/log/cups/access_log -rw-r----- 1 root adm 1962 mag 20 00:00 /var/log/cups/access_log.1 -rw-r----- 1 root adm 7883 mag 18 22:52 /var/log/cups/access_log.2.gz -rw-r----- 1 root adm 642 mag 22 21:36 /var/log/cups/error_log -rw-r----- 1 root adm 458 mag 20 00:00 /var/log/cups/error_log.1 -rw-r----- 1 root adm 2352 mag 18 18:53 /var/log/cups/error_log.2.gz ~$ lpinfo -v file cups-brf:/ network beh network ipps network ipp network socket network lpd network https direct hp:/usb/DeskJet_3630_series?serial=CN8AM7H3230658 serial serial:/dev/ttyS0?baud=115200 network http direct hpfax network dnssd://HP%20DeskJet%203630%20series%20%5B9B20BB%5D._ipp._tcp.local/?uuid=1c852a4d-b800-1f08-abcd-f439099b20bb network socket://192.168.1.249:9100 network ipp://HP%20DeskJet%203630%20series%20%5B9B20BB%5D._ipp._tcp.local/ -- 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