First, at least before your switched to the Snap package of CUPS, you
were able to use KDE Print Manager and system-config-printer to manager
your printer, create queues, set option defaults, ...?
And were you able to print from any application, including GNOME
applications like evince?
Where you still able to do all this after updating to 24.04?
When you started CUPS (still the original packages, not the Snap) you
got in your cups_snap.txt file:
Unknown directive IdleExitTimeout on line 11 of
/etc/cups/cupsd.conf.
This directive is probably of an old version of CUPS (did you add it)
and not used any more by current CUPS.
With your further steps you have removed your /etc/cups/cupsd.conf, so
just re-installing it (and by that getting a default
/etc/cups/cupsd.conf) would most probably solve the problem.
For the CUPS Snap note that you will be able to print with it, at leat
if you have a modern enough printer, which is a driverless IPP pronter,
supporting AirPrint and Mopria. Setup is fully automatic then, not
requiring any printer setup tools.
All the comnmonly available printer setup tools, GNOME Control Center,
KDE Print Manager, and system-config-printer do not support CUPS as a
Snap, but only classically installed CUPS.
So I recommend to do the following (if there is an error, just continue
with the next commands):
sudo snap stop cups
sudo apt install cups
sudo systemctl unmask cups
sudo systemctl enable cups
sudo systemctl start cups
sudo snap start cups
Do GNOME Control Center, KDE Print Manager, and system-config-printer
show your printer? Can you add print queues or change printer settings
with all these 3 tools?
Ae you able to print? From all applications? Including GNOME
applications like evince?
What is the output of the following 3 commands:
lpstat -r
lpstat -v
lpstat -l -e
** Changed in: cups (Ubuntu)
Status: New => Incomplete
** Changed in: gnome-control-center (Ubuntu)
Status: New => Incomplete
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You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/2083530
Title:
gnome-control-center not able to add printer or make settings
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/2083530/+subscriptions
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