Hi Frank,
Lide 300 supports IPP over USB, and eSCL on a top of it. The presence of
the IPP-over-USB support causes ippusbxd daemon to start, which
effectively blocks sane-pixma driver and should, in theory, enable
sane-escl driver, which seems doesn't want to work.
You have two possibilities here:
1. Remove ippusbxd in a hope to unblock sane-pixma:
sudo apt-get remove ippusbxd
2. Replace eSCL/IPP-over-USB stack with the modern alternative. First
step as above (remove ippusbxd), then download and install ipp-usb and
sane-airscan packages from the following location:
https://download.opensuse.org/repositories/home:/pzz/xUbuntu_20.04/
Note, both of these packages will be officially included into the
subsequent release of Ubuntu, so you will not be locked with some
strange 3rd party packages.
--
Wishes, Alexander Pevzner ([email protected])
