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Hello:
... tried to install pyqt4-dbus and pyqt4 ...
Sorry, my fault ...
The package name is python3-pyqt4.
... did not first uninstall hplip 16. Now I'm glad I didn't.
It's quite allright.
No problem. 8^D
Cheers,
A.
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Okay, I see python3-pyqt4 in Synaptic. But I don't see pyqt4-dbus (or python3-pyqt4-dbus). So I did a search of "dbus" and I see that I have the following installed:
python-dbus.mainloop.pyqt5
python-pyqt5
python-qt4
python-qt4-dbus
python3-dbus
python3-dbus.mainloop.pyqt5
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just a comment really, I've had similar issues with a Canon Pixma TS8151 - It works in ubuntu 20.04 and Fedora Workstation 31, but freakily started working in ZorinOS - I had tried installing the packages that Fedora uses from the Sane GitLab pages, removing Simple Scan and reinstalling Simple Scan (for some reason in other Distributions it has now got renamed as Document Scanner but virtually the same interface. The only Office Pro backend I cound find on the Sane site was for an 8610:
http://www.sane-project.org/sane-backends.html#SCANNERS
I use FerenOS whilst working from Home (Plasma DE) and can't get it to work in that OS either - I ended up purchasing hamrick's vue-scan. (I have the Canon Linux Scanner driver but the interface is pants compared to X-Sane and Simple (/Document) Scan (/ner)
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