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Ok, Allan, thanks for your kind present ;-)<BR>
<BR>
AFAIK, (for MP610 at least), different resolution on x and y axis are always rejected<BR>
by the scanner (tested it already).<BR>
The Windows driver (MP610's) always use same x & y, and you cannot specify different<BR>
x/y values, only _one_ value can be entered as dpi parameter in Canon's driver form.<BR>
<BR>
So the good question now: why does Canon specify resolutions of a x 2a, if you can<BR>
only use a x a ?<BR>
<BR>
If someone's got a clue ...<BR>
<BR>
Le lundi 11 février 2008 à 16:14 -0500, m. allan noah a écrit :
<BLOCKQUOTE TYPE=CITE>
<PRE>
<FONT COLOR="#000000">Gernot- does the windows driver allow independent resolution controls?</FONT>
<FONT COLOR="#000000">what are you going to do with the stretched image that will result?</FONT>
<FONT COLOR="#000000">Nicolas- cvs is open for business again, so we can accept your patch</FONT>
<FONT COLOR="#000000">at any time. keep up this level of interaction and you'll get</FONT>
<FONT COLOR="#000000">maintainership too :)</FONT>
<FONT COLOR="#000000">allan</FONT>
<FONT COLOR="#000000">2008/2/11 Nicolas <<A HREF="mailto:nicolas.martin@freesurf.fr">nicolas.martin@freesurf.fr</A>>:</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> Hi Gernot,</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> That sounds great news, and we can inform the Sane list then!</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> I had a look at the debug trace you sent me, and everything looks right,</FONT>
<FONT COLOR="#000000">> working as expected.</FONT>
<FONT COLOR="#000000">> I'll keep it anyway as a reference, if needed.</FONT>
<FONT COLOR="#000000">> Let us know if you are able to reproduce the problem you had before, and if</FONT>
<FONT COLOR="#000000">> you can get such</FONT>
<FONT COLOR="#000000">> a trace with the error, please send it, as to investigate more.</FONT>
<FONT COLOR="#000000">> One point that could be done to improve the driver is to implement the</FONT>
<FONT COLOR="#000000">> send_time function, as the</FONT>
<FONT COLOR="#000000">> scanner asks for it. Would be needed for that, a Snoop of the usb port with</FONT>
<FONT COLOR="#000000">> the Windows driver.</FONT>
<FONT COLOR="#000000">> But why a scanner would need time? It seems to work fine without it anyway.</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> For now, I'll update the current stand-alone Pixma driver with Pixma MP710</FONT>
<FONT COLOR="#000000">> and MP740, as well as</FONT>
<FONT COLOR="#000000">> the patch to Sane files, so as to have it included in future Sane releases</FONT>
<FONT COLOR="#000000">> too.</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> Thanks again for your participation and help for enhancing the Pixma Sane</FONT>
<FONT COLOR="#000000">> driver</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> Regards</FONT>
<FONT COLOR="#000000">> Nicolas</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> Le lundi 11 février 2008 à 09:33 +0900, Gernot Hassenpflug a écrit :</FONT>
<FONT COLOR="#000000">> On Feb 11, 2008 3:30 AM, Nicolas <<A HREF="mailto:nicolas.martin@freesurf.fr">nicolas.martin@freesurf.fr</A>> wrote:</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > Ok, great!</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > In order to debug the 600 and 1200 dpi, I will need the traces produces by</FONT>
<FONT COLOR="#000000">> > the driver in debug mode.</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> Dear Nicholas,</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> Your driver is apparently working perfectly for me now, no idea why I</FONT>
<FONT COLOR="#000000">> got a hardware error last night with all resolutions above 300. I even</FONT>
<FONT COLOR="#000000">> tried again to use the scan program sending output to the console, and</FONT>
<FONT COLOR="#000000">> although for 1200dpi it took a *long* time(!), there was no error and</FONT>
<FONT COLOR="#000000">> the program scanned to completion eventually.</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> I am nevertheless attaching for you the debug output of a successful</FONT>
<FONT COLOR="#000000">> 1200dpi scan in case there is any content that appears suspicious or</FONT>
<FONT COLOR="#000000">> dubious.</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> I would also like to ask at this point: is it possible with not too</FONT>
<FONT COLOR="#000000">> much effort to add independent x and y resolutions, so that 1200x2400,</FONT>
<FONT COLOR="#000000">> or 2400x4800 etc will be available in the pixma series?</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> Many thanks, Gernot Hassenpflug</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> --</FONT>
<FONT COLOR="#000000">> sane-devel mailing list: <A HREF="mailto:sane-devel@lists.alioth.debian.org">sane-devel@lists.alioth.debian.org</A></FONT>
<FONT COLOR="#000000">> <A HREF="http://lists.alioth.debian.org/mailman/listinfo/sane-devel">http://lists.alioth.debian.org/mailman/listinfo/sane-devel</A></FONT>
<FONT COLOR="#000000">> Unsubscribe: Send mail with subject "unsubscribe your_password"</FONT>
<FONT COLOR="#000000">> to <A HREF="mailto:sane-devel-request@lists.alioth.debian.org">sane-devel-request@lists.alioth.debian.org</A></FONT>
<FONT COLOR="#000000">></FONT>
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