# Re: "Epson and SANE/XSANE problem

From: Mick Barry (mick@objects.com.au)
Date: Wed Jul 18 2001 - 17:57:33 PDT

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Have experienced similiar problems cancelling a scan on other b/e's.
Ended up removing the cancel option from our f/e as it was not only not
working but made the b/e unusable.

mick
http://www.objects.com.au

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
>
>
> --
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