# Re: "Epson and SANE/XSANE problem

From: Karl Heinz Kremer (khk@khk.net)
Date: Wed Jul 18 2001 - 18:53:06 PDT

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  Hmmm... All I know is that it worked for me yesterday. I did
  cancel a preview after I realized that I wanted a B/W scan
  instead of a color scan, so I did a "Cancel Preview". This
  was with an Expression1680 connected via USB.

  It is possible that depending on the right or wrong moment of
  hitting the button the problem either shows up or not...

  I'll do some experimenting over the weekend.

  Karl Heinz

  On Tue, Jul 10, 2001 at 05:18:56PM +0200, Jean-Luc Coulon wrote:
  > Hi,
  >
  > I've remarked this problem when using the preview:
  >
  > If I click on "Acquire preview" then, while running, "cancel preview"
  > I get the following message :
  > "Backends sends more image data that it defined in parameters"
  >
  > Then, if I click again on "Acquire preview", I get the message :
  > "Failed to start scanner: Invalid argument"
  >
  > I cannot close xsane with the [X] button, I've to kill the task from the
  > window manager. At this point, xsane is eating most of the cpu ; Only a
  > "kill -s 15" is able to kill the task.
  >
  > Then if I start xsane again, it stay in the state "scanning for
  > devices".
  >
  > After a while, I get:
  > usb_control/bulk_msg: timeout
  > scanner.c: write_scanner: NAK received.
  >
  > To be able to have the system to work again, I've to do a power off/on
  > of
  > the scanner. Sometimes, I get:
  > "scanner.c: close_scanner(0): invalid scn_minor"
  >
  > system is :
  > linux 2.2.20pre (the same occurs with 2.2.19 or 2.4.6-ac).
  > sane-backends-1.0.5
  > xsane-0.78
  > The scanner is an Epson Perfection 1640SU Photo.
  >
  > ----------
  > Regards
  > Jean-Luc
  >
  >
  > --
  > Source code, list archive, and docs: http://www.mostang.com/sane/
  > To unsubscribe: echo unsubscribe sane-devel | mail majordomo@mostang.com

      --
      Karl Heinz Kremer                                  khk@khk.net
      PGP Key at http://www.freecolormanagement.com/download/khk.asc
      EPSON Sane Backend:         http://www.freecolormanagement.com

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      Source code, list archive, and docs: http://www.mostang.com/sane/
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