[sane-devel] Canon N676U USB Scanner

[Tomoo Nomura]

Antonio Olinto wrote:
> Hi,
>
> I have a Canon N676U USB Scanner and its status is "complete" at 
> http://www.sane-project.org/lists/sane-mfgs-cvs.html#Z-CANON
>
> When I had an Athlon XP 1700+ computer (USB 1.0) running Ubuntu 6.06 I 
> was able to use my scanner without problems. After an up-grade, now 
> I'm using a Pentium D 2.8 (USB 2.0) and Linux Ubuntu 6.10, it didn't 
> work any more. Xsane can recognize the scanner but when I ask a 
> pre-view the scanner began to make a lot of noise and I have to 
> disconnect it. Under Windows it stills running ok.
>
> Is there something I can do configure the driver?
>
> Thanks in advance!
>
> Antonio
>
>
>
I have experienced exact the same problem.
See below.

-------------------------------------------------------------------------------------------------- 


Monday 26 February 2007 06:52, Tomoo Nomura wrote:

> > Hello,
> >
> > I can scan by scanimage but can't by xscanimage or xsane.
> >
> > Xscanimage or xsane takes several minutes and finish normally but
> > hardware doesn't seem to work and result image is whole black.
> > Xscanimage or xsane asks me which device to use, there are tv tuner,
> > camera and scanner, and I explicitly choose plustek:libusb:002:002 for
> > CanoScan N676U.
> >
> > environments:
> > Debian Linux etch
> > kernel 2.6.19.1
> > sane 1.0.14-2
> > scanner CanoScan N676U
> > backend plustek
> >
>   
This problem is not only related to the Plustek backend
and could be observed on other debian based distros as well.

I had no time to dig somewhat deeper to that, but I assume
it had something to do with threading

- Gerhard

-- 
****** Nomura Technical Management Office Ltd. *****************
 Tomoo Nomura      nomura at tmo.co.jp       http://www.tmo.co.jp/ 
    Phone: +81-78-797-0240 Fax: +81-78-797-0241
 Worldwide Airline Timetable 'Flight Planner'
 European Electronic Timetable 'HAFAS'         ValueFax Support
****************************************************************