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Hi Sebastien,<br>
<br>
<i>Sorry, I used the wrong email address for SANE ml. Please answer
to this one.</i><br>
<br>
ADF has a bug recognising empty document feeder. A work around can
be scanning exact page count.<br>
<br>
If you like, we can try to debug this issue. I have no ADF scanner,
so I cannot do this by myself.<br>
<br>
On the other hand, does your MX510 scan all resolutions up to
1200dpi in flatbed mode without errors?<br>
<br>
Many thanks for your help.<br>
<br>
Cheers,<br>
Rolf<br>
<br>
<br>
<div class="moz-cite-prefix">Am 03.02.2014 11:23, schrieb sebastien:<br>
</div>
<blockquote
cite="mid:%3C1391423001.54553.YahooMailNeo@web172906.mail.ir2.yahoo.com%3E"
type="cite">
<div style="color:#000; background-color:#fff;
font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif;font-size:12pt">
<div>Hello,</div>
<div><br>
</div>
<div><span style="font-size: 13px; font-family: 'Courier New',
courier, monaco, monospace, sans-serif;">Sorry I have
already sent this message to the sane-standard list but I
have noticed that it was not the good one.</span></div>
<div><br>
</div>
<div><br>
</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;">I have a CANON Pixma MX 510,
am I am trying to use libsane.</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;"><br>
</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;">I would like to use the
automatic document feeder to aquire automatically all the
documents available. I have tried several way and I have found
problem with all of them to detect that there is no more
document in the document feeder.</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;"><br>
</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;">- sane_start or sane_read
never returns SANE_STATUS_NO_DOCS<a moz-do-not-send="true"
rel="nofollow" name="i99" style="color: rgb(25, 106, 212);"
href=""></a></div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;">-in synchrone mode, sane_read
is blocked, and if I call sane_cancel from another thread,
this call is also definitly blocked</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;">-The asynchrone mode doen't
seem to work. If I call sane_read when a document is
available, it returns immediatly but read len =0</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;"><br>
</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;">Do you have other suggestions?
Or do you think that there is problems with the PIXMA
implementation?</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;"><br>
</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;">Thank you <br>
</div>
<div style="font-size: 13px; font-family: monospace;
background-color: transparent;">Sebastien</div>
</div>
</blockquote>
<br>
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