[sane-devel] R: Re: scanner Epson DX4250 not working in Ubuntu 11.10

[Giorgio F. Signorini]

It's more or less reproducible: if I start a new (root) shell session,
the first 'scanimage -L' is successful (debug output "scanimage-1.log"
attached); all subsequent 'scanimage -L' fail (debug output
"scanimage-2.log" attached).

Do you think switching to the 32-bit version would help?

Giorgio

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 > From: Olaf Meeuwissen <olaf.meeuwissen at avasys.jp>
 > Date: Wed, 25 Apr 2012 08:37:28 +0900
 > 
 > "Giorgio F. Signorini" <giorgio.signorini at unifi.it> writes:
 > 
 > > I'm confused ... after commenting out the 'epson' line in dll.conf and
 > > everything but the 'usb 0x04b8 0x0820' line in epson2.conf I got
 > >
 > >   # scanimage -L
 > >   device `epson2:libusb:002:003' is a Epson CX4200 flatbed scanner
 > 
 > Never mind the CX4200 bit.  The DX4200 and DX4250 all have the same USB
 > product ID and can be considered one and the same thing.
 > 
 > > Unfortunately, typing 'scanimage -L' again resulted in 'No scanners
 > > were identified'; the same ever after.
 > 
 > Weird.  Can you provide a log?
 > 
 >   # SANE_DEBUG_DLL=127 SANE_DEBUG_EPSON2=127 scanimage -L
 > 
 > might be able to shed some light on this.
 > 
 > BTW, you're doing all these tests with administrative privileges
 > (i.e. using `sudo` or as root), right?
 > 
 > Hope this helps,
 > -- 
 > Olaf Meeuwissen, LPIC-2           FLOSS Engineer -- AVASYS CORPORATION
 > FSF Associate Member #1962               Help support software freedom
 >                  http://www.fsf.org/jf?referrer=1962