I can add that after reinstalling the printer I tried the 2 Terminal commands mentioned above in comment #2:
henrik@henrik-thinkpad-20-04:~$ dpkg -l | grep sane
ii libsane:amd64 1.0.29-0ubuntu5.2 amd64 API library for scanners
ii libsane-common 1.0.29-0ubuntu5.2 all API library for scanners -- documentation and support files
ii libsane-hpaio:amd64 3.20.3+dfsg0-2 amd64 HP SANE backend for multi-function peripherals
ii sane-utils 1.0.29-0ubuntu5.2 amd64 API library for scanners -- utilities
henrik@henrik-thinkpad-20-04:~$ scanimage -L
device `hpaio:/usb/HP_Color_LaserJet_CM2320fxi_MFP?serial=00CNFTB4LHTH' is a Hewlett-Packard HP_Color_LaserJet_CM2320fxi_MFP all-in-one
henrik@henrik-thinkpad-20-04:~$
I can add that after reinstalling the printer I tried the 2 Terminal commands mentioned above in comment #2:
henrik@ henrik- thinkpad- 20-04:~ $ dpkg -l | grep sane henrik- thinkpad- 20-04:~ $ scanimage -L /usb/HP_ Color_LaserJet_ CM2320fxi_ MFP?serial= 00CNFTB4LHTH' is a Hewlett-Packard HP_Color_ LaserJet_ CM2320fxi_ MFP all-in-one henrik- thinkpad- 20-04:~ $
ii libsane:amd64 1.0.29-0ubuntu5.2 amd64 API library for scanners
ii libsane-common 1.0.29-0ubuntu5.2 all API library for scanners -- documentation and support files
ii libsane-hpaio:amd64 3.20.3+dfsg0-2 amd64 HP SANE backend for multi-function peripherals
ii sane-utils 1.0.29-0ubuntu5.2 amd64 API library for scanners -- utilities
henrik@
device `hpaio:
henrik@