yves@laptop:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.2 LTS"
yves@laptop:~$ dpkg -l | grep -i hplip
ii hplip 3.20.3+dfsg0-2 amd64 HP Linux Printing and Imaging System (HPLIP)
ii hplip-data 3.20.3+dfsg0-2 all HP Linux Printing and Imaging - data files
ii hplip-gui 3.20.3+dfsg0-2 all HP Linux Printing and Imaging - GUI utilities (Qt-based)
I confirm having the same issue on Ubuntu 20.04:
yves@laptop:~$ cat /etc/lsb-release RELEASE= 20.04 CODENAME= focal DESCRIPTION= "Ubuntu 20.04.2 LTS"
DISTRIB_ID=Ubuntu
DISTRIB_
DISTRIB_
DISTRIB_
yves@laptop:~$ dpkg -l | grep -i hplip
ii hplip 3.20.3+dfsg0-2 amd64 HP Linux Printing and Imaging System (HPLIP)
ii hplip-data 3.20.3+dfsg0-2 all HP Linux Printing and Imaging - data files
ii hplip-gui 3.20.3+dfsg0-2 all HP Linux Printing and Imaging - GUI utilities (Qt-based)