# Re: Problems with Acer ScanPrisa 640S

From: Steve Underwood (steveu@coppice.org)
Date: Fri Oct 20 2000 - 06:36:16 PDT

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  Patrik Stähli wrote:

  > I wrote:
  >
  > <snip>
  >
  > > Debug output of sane dll and snapscan backend is here:
  > > http://n.ethz.ch/student/staehlip/download/sane.log
  >
  > Did someone already look at the debug output?
  > I think that there are way too much 0's in the 'inquiry' sections, but I
  > don't know what correct values should look like.
  > It would be really helpful if someone could provide the same debug
  > output (SANE_DEBUG_DLL=255 SANE_DEBUG_SNAPSCAN=255) of a _working_ Model
  > 620S...

  Yes, there are far too many zeros. The 640U has been reported to work with
  1.0.3 + the USB add ons. The 610+ (SCSI) and 620S seem to work OK too. I
  would expect your 640S to be very similar to these. I don't think the
  output from a run on my 610+ will help much. It looks like your run, until
  the inquiry section. Then I get sane numbers for all the values. Perhaps
  this is not a scanner or sane problem, but a SCSI one. I have never tried a
  2.4 test kernel. Has anyone else has success with one?

  Regards,
  Steve

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