https://bugs.kde.org/show_bug.cgi?id=453318
Bug ID: 453318
Summary: Scanner access not working with Canon PIXMA TR8520
device
Product: Skanlite
Version: 22.04.0
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: general
Assignee: kare.s...@iki.fi
Reporter: natalym...@rocketmail.com
Target Milestone: ---
SUMMARY
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I have a Canon PIXMA TR8520 multifunction device which comes with is a scanner,
printer, copier and fax machine all-in-one system. Ubuntu 22.04 automatically
installed a driver that is working with its printing function, so that I can
send documents to my printer through the USB port. Yet, it appears that it did
not automatically install scanner support for my device. So, when I open this
Skanlite application on my desktop, I get an error message saying: "Sorry. No
devices found. The SANE (Scanner Access Made Easy) could not find any device.
Check that your scanner is plugged in and turned on or check your scanner
setup." I tried to resolve this error message by looking up my scanner in the
SANE project's website to find out what package I needed to install in my
computer, in order to get it to work. By doing that, I discovered that
sane-escl.5 works with my Canon PIXMA TR8520 scanner. (I found this information
at http://sane-project.org/man/sane-escl.5.html.) Then, I tried to find out
what I could install in order to get sane-escl.5 installed in my system. So, I
found a page in the Ubuntu manual that told me that sane-escl.5 was included in
libsane-common package. I made sure that this library is installed in my
system, but it still won't work! I had permissions set for this application in
the software store and gave it permission to do what it needed to do. So, that
was not the issue!
STEPS TO REPRODUCE
1. I open this Skanlite application on my desktop and,
2. I get an error message saying: "Sorry. No devices found. The SANE (Scanner
Access Made Easy) could not find any device. Check that your scanner is plugged
in and turned on or check your scanner setup."
3. I press the "reload devices list" button and,
4. I get the same error again.
OBSERVED RESULT
I cannot use the Skanlite application to access my Canon PIXMA TR8520 scanner
that I have connected to my computer via USB.
EXPECTED RESULT
I was able to use my scanner with Ubuntu Linux up through version 21.10. I
would like to still be able to do that and, I would like to be able to use the
Skanlite application to do so, because, unlike many other scanner applications,
it is marked as safe, in the software store.
SOFTWARE/OS VERSIONS
Windows: N/A
macOS: N/A
Linux/KDE Plasma: Ubuntu Linux 22.04 with GNOME instead of KDF
(available in About System)
KDE Plasma Version: N/A
KDE Frameworks Version: N/A
Qt Version: N/A (qmake and pkg-config not installed)
ADDITIONAL INFORMATION
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