Comment 9 for bug 1878974

Thanks Till. Still no luck:

Remove and reinstall:
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Preparing to unpack .../0-printer-driver-postscript-hp_3.20.3+dfsg0-2_amd64.deb ...
Unpacking printer-driver-postscript-hp (3.20.3+dfsg0-2) over (3.20.3+dfsg0-2) ...
Preparing to unpack .../1-libsane-hpaio_3.20.3+dfsg0-2_amd64.deb ...
Unpacking libsane-hpaio:amd64 (3.20.3+dfsg0-2) over (3.20.3+dfsg0-2) ...
Selecting previously unselected package hplip-data.
Preparing to unpack .../2-hplip-data_3.20.3+dfsg0-2_all.deb ...
Unpacking hplip-data (3.20.3+dfsg0-2) ...
Selecting previously unselected package hplip.
Preparing to unpack .../3-hplip_3.20.3+dfsg0-2_amd64.deb ...
Unpacking hplip (3.20.3+dfsg0-2) ...
Selecting previously unselected package hplip-gui.
Preparing to unpack .../4-hplip-gui_3.20.3+dfsg0-2_all.deb ...
Unpacking hplip-gui (3.20.3+dfsg0-2) ...
Preparing to unpack .../5-libhpmud0_3.20.3+dfsg0-2_amd64.deb ...
Unpacking libhpmud0:amd64 (3.20.3+dfsg0-2) over (3.20.3+dfsg0-2) ...
Preparing to unpack .../6-printer-driver-hpcups_3.20.3+dfsg0-2_amd64.deb ...
Unpacking printer-driver-hpcups (3.20.3+dfsg0-2) over (3.20.3+dfsg0-2) ...
Setting up hplip-data (3.20.3+dfsg0-2) ...
Setting up printer-driver-postscript-hp (3.20.3+dfsg0-2) ...
Setting up libhpmud0:amd64 (3.20.3+dfsg0-2) ...
Setting up libsane-hpaio:amd64 (3.20.3+dfsg0-2) ...
Setting up printer-driver-hpcups (3.20.3+dfsg0-2) ...
Setting up hplip (3.20.3+dfsg0-2) ...
Creating/updating hplip user account...
insserv: warning: script 'K01ccpd' missing LSB tags and overrides
insserv: warning: script 'ccpd' missing LSB tags and overrides
Setting up hplip-gui (3.20.3+dfsg0-2) ...
Processing triggers for bamfdaemon (0.5.3+18.04.20180207.2-0ubuntu2) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for desktop-file-utils (0.24-1ubuntu2) ...
Processing triggers for mime-support (3.64ubuntu1) ...
Processing triggers for cups (2.3.1-9ubuntu1.1) ...
Processing triggers for gnome-menus (3.36.0-1ubuntu1) ...
Processing triggers for libc-bin (2.31-0ubuntu9) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for dbus (1.12.16-2ubuntu2) ...
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Removed existing Q: OK

Re-plugging the printer: complains it can't find drivers. Can't print

driverless: empty output, no URI