$ getfacl /dev/bus/usb/001/004
getfacl: Removing leading '/' from absolute path names
# file: dev/bus/usb/001/004
# owner: root
# group: lp
user::rw-
group::rw-
other::r--
That reminds me of an alternative way:
sudo chmod o+w /dev/bus/usb/001/004
The problem with that (if I remember correctly)
Assuming you are not in the lp or scanner groups, what happens if you
try to use scanimage to scan an image? (See "scanimage --help" for
syntax, and use the device name that appears when you run "scanimage
-L".)
If that doesn't work, can you add the --verbose flag to scanimage, and
attach the
Actually, here's a better question first. Take yourself out of the lp
and scanner groups. What do you see when you run:
$ getfacl /dev/bus/usb/001/004
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** Attachment added: "xsane_error.png"
https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1890464/+attachment/5568208/+files/xsane_error.png
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On 2022-03-12 14:32, David Ward wrote:
> Yes, that is what I meant by physically logged in.
>
> You shouldn't need to be in the scanner group (or the lp group) in
> that case.
The lp group still (21.10) makes a difference for my combined printer
and scanner.
$ lsusb | grep Brother
Bus 001
I am not using xubuntu 20.04 now, I switch to another linux distro recently, so
I can not give you the output you are looking for.
All I can say is that adding myself in the lp group solved the issue
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Yes, that is what I meant by physically logged in.
You shouldn't need to be in the scanner group (or the lp group) in that
case.
If you remove yourself from both of those groups, does this stop
working? If so, what is the output of "sudo scanimage -L"?
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I am not sure about what you mean by physically logged.
I am not using ssh or vnc, I was using xubuntu on a personal computer so I
guess I was physically logged.
As you can see in my previous message, I was not in the scanner group
neither and I do not know why.
** Changed in: sane-backends
Please see the "SETUP" section of
/usr/share/libsane1/doc/README.Debian.gz. You must either be logged into
a physical console on the system (not an SSH/VNC session) - or if you
want to bypass that requirement, you must add the user to the "scanner"
group. This is expected behavior.
(Adding the
Great! I suspected that was it because I need to do the same for my own
scanner.
Not sure whether this obstacle is a bug which can be fixed. Keeping the
bug open for now.
** Changed in: sane-backends (Ubuntu)
Status: Incomplete => Confirmed
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I added myself in the lp group
antoine@Talos:~$ groups antoine
antoine : antoine adm cdrom sudo dip plugdev lpadmin lxd sambashare
antoine@Talos:~$ sudo adduser $USER lp
[sudo] Mot de passe de antoine :
Ajout de l'utilisateur « antoine » au groupe « lp »...
Ajout de l'utilisateur
Try to add yourself to the lp group:
sudo adduser $USER lp
and let us know if it helps.
** Changed in: sane-backends (Ubuntu)
Status: New => Incomplete
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** Package changed: ubuntu => sane-backends (Ubuntu)
** Tags added: focal
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https://bugs.launchpad.net/bugs/1890464
Title:
Can not scan as user
To manage notifications about this bug
Thank you for taking the time to report this bug and helping to make
Ubuntu better. It seems that your bug report is not filed about a
specific source package though, rather it is just filed against Ubuntu
in general. It is important that bug reports be filed about source
packages so that people
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