Comment 5 for bug 1814307

I prefer use with network. My system is KDE Neon 18.04 but with Ubuntu 18.04 neither run.

This show log:

cat /etc/sane.d/dll.d/hplip:
# dll.conf snippet for hplip
#
hpaio

lpinfo -v:

network beh
file cups-brf:/
network https
network ipp
network lpd
network ipps
network socket
network http
direct hp
direct hpfax
network dnssd://HP%20Color%20LaserJet%20MFP%20M280nw%20(5207B7)._ipp._tcp.local/?uuid=564e424e-4c42-5631-464e-84a93e5207b7
network socket://192.168.100.48
network ipp://NPI5207B7.local:631/ipp/print

scanimage -L:

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).