From mboxrd@z Thu Jan  1 00:00:00 1970
From: sirgazil <sirgazil@zoho.com>
Subject: Re: Scanner / SANE driver support
Date: Sun, 19 Apr 2020 22:51:20 +0000
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To: Pierre Neidhardt <mail@ambrevar.xyz>
Cc: help-guix <help-guix@gnu.org>

 ---- On Sun, 19 Apr 2020 18:39:30 +0000 Pierre Neidhardt <mail@ambrevar.xyz> wrote ----
 > Hi!
 > 
 > I'm trying to installer a scanner on Guix System and
 > 
 > --8<---------------cut here---------------start------------->8---
 > scanimage -L
 > --8<---------------cut here---------------end--------------->8---
 > 
 > does not find anything.
 > 
 > A few drivers are available in sane-backends.
 > I've enabled the sane-service.
 > 
 > Questions:
 > 
 > - Are we supposed to add the desired users to the 'scanner' group?
 > 
 > - How are the backends found?  I don't see any environment variable.
 >   According to https://nixos.wiki/wiki/Scanners, SANE would look up
 >   LD_LIBRARY_PATH.
 > 
 > Any success running scanners on Guix?

Yes. I use a scanner and I don't have to add anything special to my OS configuration. I just start Simple Scan, and the application detects the scanner. My user is not in the "scanner" group.

But the scanner works like this only recently. Before, I had to follow these instructions: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=38064#11

Also, check that all cables are plugged properly.