[sane-devel] Document feeder jammed always in low resolution with ScanSnap ix500

[Wolfgang Fahl]

Hi,

with the ScanSnap ix500 the same happens here at 200 dpi.
300 dpi and up is fine.

Wolfgang

Carsten Behring wrote:
> Carsten Behring
> <http://search.gmane.org/?author=Carsten+Behring&sort=date> | 16 Feb
> 10:49 2014
> Hi,
>
> am using the latest version of Sane form GIT under
> Ubuntu (1.0.25-git20140212-precise0) with a ScanSnap ix500.
>
> If I scan a set of pages(6) with scanimage, like this:
>
> scanimage -d "fujitsu:ScanSnap iX500:36556" --source "ADF Duplex" -b
> --resolution 50dpi --mode color 
>
> I always get a paper jam, with error message:
>
> scanimage: sane_read: Document feeder jammed
>
>
> It happens randomly a different page numbers, but I never manage to
> get a full successful scan of all 6 pages.
>
> It works under the highest resolution, so with a command like:
>
>  scanimage -d "fujitsu:ScanSnap iX500:36556" --source "ADF Duplex" -b
>  --mode color
> (which default to resolution 600DPI)
>
>
> In the higher resolution the scan is much slower, it even does a small
> "thinking pause" after each page, so this is maybe related.
>
> Did somebody make a similar experience, and is there a fix/workaround ?
>
> Using the Scanner under Windows does not make this type of problem, I
> nearly never get a paper jam.
>
>
> My goal is to scan it lower resolution for Archiving/OCR purposes and
> 600DPI makes huge documents
>
> To scale the document down after the high resolution scan, does not
> give very good results. Or can somebody point me on how to do this.
> I just reduced the resolution with Gimp, but that is not satisfactory.
>
> Regards,
>
> Carsten
>

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