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Re: Scanner problem

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On Mon 11 Sep 2017 at 19:23:09 +0200, MENGUAL Jean-Philippe wrote:

> Two scanners: 1=Epson; 2=canon. 1 works fine, as root and as user. Canon
> works as root but not as user, scanimage and sane-find-scanner do not
> find it.

Do we assume your system is a stretch one? Please post the model names
of the scanners.
 
> While /dev/bus/usb/001/0XX is owned by root:root,, but as well by the
> scanner group (where my user is), it is not the case with Canon, the
> device is owned only by root:root.

On jessie and stretch a user is not required to be in the scanner group.

Post the output of 'ls -l /dev/bus/usb/*/*' for both scanners.

> If I do setfacl -mgroup:scanner:rw- the scanner works as regular user.

This should be unnecessary.

> My questions:
> 
> 1. Why permissions are set properly for Epson and not Canon?

Let's see if we can find out.
 
> 2. How can I create a Udev rule to fix itN
> 
> 3. Should I reportbug to the sane package?
> 
> Thanks. If I should write to another list such as debian-sane or
> whatever, tell me.

Hopefully, doing any of these will become superfluous.

There is a wiki page dealing with scanners.

-- 
Brian.

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Thread

Scanner problem MENGUAL Jean-Philippe <mengualjeanphi@free.fr> - 2017-09-11 20:50 +0200
  Re: Scanner problem Brian <ad44@cityscape.co.uk> - 2017-09-12 11:30 +0200
    Re: Scanner problem MENGUAL Jean-Philippe <mengualjeanphi@free.fr> - 2017-09-12 22:10 +0200
      Re: Scanner problem Michael Stone <mstone@debian.org> - 2017-09-12 23:30 +0200
      Re: Scanner problem Brian <ad44@cityscape.co.uk> - 2017-09-13 00:10 +0200
        Re: Scanner problem MENGUAL Jean-Philippe <mengualjeanphi@free.fr> - 2017-09-13 01:20 +0200
          Re: Scanner problem Michael Stone <mstone@debian.org> - 2017-09-13 07:40 +0200
            Re: Scanner problem MENGUAL Jean-Philippe <mengualjeanphi@free.fr> - 2017-09-13 08:40 +0200
              Re: Scanner problem Brian <ad44@cityscape.co.uk> - 2017-09-13 11:40 +0200
              Re: Scanner problem Michael Stone <mstone@debian.org> - 2017-09-13 12:40 +0200

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