[sane-devel] Problem with scanner Plustek OpticPro U12 and scanimage (sane_start: Device busy)

[m. allan noah]

you did not say which version of sane. there was a bug in scanimage that 
caused problems with some ADF scanners, which was fixed in sane 1.0.18.

allan

On Tue, 9 Jan 2007 sciencisto-debian at yahoo.es wrote:

> Hi.
>
> I've got a Plustek OpticPro U12 scanner (it's a little old) running
> under Debian "Etch".
>
> I have installed SANE and the scanner works fine with xsane,
> xscanimage, kooka, quiteinsane,... but not with scanimage.
>
> When I try to do a multi-scan with scanimage like this:
>
> scanimage -p --batch-count 5 --bath-prompt (y some other options)
>
> it works fine with the firts scanned page, but after press RETURN for
> the second page to be scanned, scanimage says:
>
> scanimage: sane_start: Device busy
>
> and then the scanner is switched off and scanimage ends without scan
> anymore (the result is the same one if I don't use --batch-prompt, of
> course). When I say "the scanner is switched off" I mean that the
> only way to make any program (scanimage -L, xsane, etc., reports that
> there is no scanner; but in fact sane-find-scanner can detect it!)
> seeing it again is unplugging it from the current line (or the USB
> port) and pluggin it again.)
>
> In the other hand, if I do multi-scan with any frontend (xsane,
> quiteinsane, etc.), it works fine. Why, then, doesn't it work from
> the command line using scanimage? (and what command do these programs
> make use of to do a multi-scan?). It is strange, isn't it?
>
> Any idea? What can I do? What is wrong?
>
> Thanks in advance.
>
>
> ps I have tried out with another scanner (an HP) and the previous
> command:
>
> scanimage -p --batch-count 5 --bath-prompt (y some other options)
>
> works just like it's supposed to work (I mean, it scans five times).
>
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>
>

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