invalid argument

I have a Brother MFC 210C on Ubuntu Dapper which I installed
using http:
//ubuntuforums.org/showthread.php?t=105703 . 
Everything was working great (both printing and scanning
using xsane) but somehow the scanning has stopped working. 
I tried uninstalling things and reinstalling, but nothing
has changed.

What happens is: xsane starts fine (which indicates that the
scanner is recognized OK), but when I click on Scan, I get
"Failed to start scanner: Invalid argument". 
Any ideas?

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Exactly the same problem with my Canon Lide 60, but
unfortunately no
solution so far.
I should say that scanning never really worked 'great',
there were some
minor issues in the past that I could only scan a limited
number of
pages (most times only one) until I got 'invalid argument'
but however,
disconnecting an reconnecting always helped what enabled me
to scan at
all. For some months now, I directly get 'Invalid
argument' the first
time I want to scan and I can unplug and plug the usb cable
as often as
I like, without any effect.

Help is appreciated!

Pascal


Tzadik Vanderhoof schrieb:
> I have a Brother MFC 210C on Ubuntu Dapper which I
installed
> using http:
//ubuntuforums.org/showthread.php?t=105703 . 
> Everything was working great (both printing and
scanning
> using xsane) but somehow the scanning has stopped
working. 
> I tried uninstalling things and reinstalling, but
nothing
> has changed.
>
> What happens is: xsane starts fine (which indicates
that the
> scanner is recognized OK), but when I click on Scan, I
get
> "Failed to start scanner: Invalid
argument".  Any ideas?
>
>   

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and such is the danger of using a closed source sane driver,
we have no 
way of helping you debug the problem. ask brother, and ask
them to open 
source it while you are at it... 

allan

On Mon, 18 Sep 2006, Tzadik Vanderhoof wrote:

> Can anyone give me advice about what I can do to
diagnose this problem?
> (commands to run... debugging flags to turn on... log
files to scour,
> etc.).  Does anybody have an idea what "Invalid
argument" might possibly
> mean?   I'm dyin' here 
>
> On Sun, 2006-09-17 at 19:51 -0400, Tzadik Vanderhoof
wrote:
>
>> I have a Brother MFC 210C on Ubuntu Dapper which I
installed
>> using http:
//ubuntuforums.org/showthread.php?t=105703 .
>> Everything was working great (both printing and
scanning
>> using xsane) but somehow the scanning has stopped
working.
>> I tried uninstalling things and reinstalling, but
nothing
>> has changed.
>>
>> What happens is: xsane starts fine (which indicates
that the
>> scanner is recognized OK), but when I click on
Scan, I get
>> "Failed to start scanner: Invalid
argument".  Any ideas?
>>
>

-- 
"so don't tell us it can't be done, putting down
what you don't know.
money isn't our god, integrity will free our souls" -
Max Cavalera

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Hi,

I'm wondering whether this is really a backend problem, as
I am
currently using the genesys backend and am experiencing the
same
problems. However, it does not seem as if other users with
the same
backends and scanners have problems doing so. Additionally,
switching
between different backend versions did not help in my case,
so if there
were serious problems, somebody would certainly know about
them.

> Can anyone give me advice about what I can do to
diagnose this problem?
> (commands to run... debugging flags to turn on... log
files to scour,
> etc.). Does anybody have an idea what "Invalid
argument" might possibly
> mean? I'm dyin' here 

Tzadik, perhaps we should find parallels regarding our
system
environment? Obviously, the used distri is not the problem,
as I am
using SuSE 10.0, but perhaps we can find any other common
configurations? If you like to, we could discuss this
further. Still
can't believe it is that hard to get a scanner working  We could
take
this off the list until we found any solution, what do you
think?

Feel free to contact me!

Regards,
Pascal


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