[sane-devel] [plustek] follow-up for Epson Perfection 1250/Photo 64-bit issue

Paul Menzel paulepanter at users.sourceforge.net
Tue Feb 12 14:01:50 UTC 2013

Dear Gerard,

Am Dienstag, den 12.02.2013, 09:20 +0100 schrieb contact adbdr:

> Thank you for the serious folluw-up. Here the answers on three points

thank you for resending it to the list. Did you have to compress the log
file because of size limitations of the list?

> >In Simple Scan does that happen also when clicking on »New« after every scan?
> yes, and also if I change between texte and photograph
>     >Simple Scan stores a log file under `~/.cache/simple-scan/`. Do you see
> any interesting in there?
> I enclose the file as there is some opening error

If you mean

        GDBus.Error:org.freedesktop.ColorManager.Failed: property match 'Serial'='sane:plustek:libusb:003:004' does not exist

then that is harmless. Colord [8] is a daemon making it possible to
manages colors between input and output devices.

I do not see any interesting either in the Simple Scan log file.

> >What is the behavior using `scanimage` (`man scanimage`)?
> >    $ scanimage >image.pnm # repeat three times
> As expected, as after restarting xsane, the  pages are clean, and the 
> process takes time because of the lamp-timer but
> scanimage -d plustek:libusb:003:004 --batch-count 4 --batch-prompt -l 0 -t 0 -x 215 -y 297 >image.pnm
> makes the problem show up, both pages 3 and 4 are bad.

Interesting. Thank you for confirming this.

> As to using Valgrind, this will take some more time to obtain a result

You can also use Simple Scan for that if that is easier under Fedora.

Until someone more knowledgeable than me has time to deal with this,
that is my last hope to find some clue where something goes wrong.

It is very strange that the bug shows up after two scans.

Oh, last thing that comes to my mind. Does the problem depend also on
the resolution? If you take a higher resolution, does the problem start
to occur earlier or later?

These are just guesses. So please do not have too high hopes.




> > [1] http://en.opensuse.org/openSUSE:Mailing_list_netiquette
> > [2] https://alioth.debian.org/tracker/index.php?func=detail&aid=314019&group_id=30186&atid=410366
> > [3] http://live.debian.net/
> > [4] https://bugzilla.redhat.com/show_bug.cgi?id=909551
> > [5] https://alioth.debian.org/tracker/index.php?func=detail&aid=304296&group_id=30186&atid=410366
> > [6] http://www.sane-project.org/sane-backends.html#S-PLUSTEK
> > [7] http://www.gjaeger.de/scanner/plustek/
[8] http://www.freedesktop.org/software/colord/intro.html
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