CanoScan LIDE 120 black scans - lamp remains off
I have older installation of Ubuntu 16.04 with libsane 1.0.28 where this scanner works OK.
On Ubuntu 22.04 it neither works with libsane 1.1.1 from distro nor 1.2.1ppa3-jammy0 from sane-releases ppa - I can not make it to scan anything but a black page. I found out the lamp is never on. Switching back to pc with Ubuntu 16.04 scanner works - so lamp is OK.
I've created a log with
SANE_DEBUG_GENESYS="10" scanimage > out.pnm 2>genesys.log
genesys.log in the log, it reports status
is_lamp_on: yes
but it obviously is not..