[sane-devel] debug file attached (Re: Canon MP710/740 support request)

m. allan noah kitno455 at gmail.com
Mon Feb 11 21:14:05 UTC 2008


Gernot- does the windows driver allow independent resolution controls?
what are you going to do with the stretched image that will result?

Nicolas- cvs is open for business again, so we can accept your patch
at any time. keep up this level of interaction and you'll get
maintainership too :)

allan

2008/2/11 Nicolas <nicolas.martin at freesurf.fr>:
>
>  Hi Gernot,
>
>  That sounds great news, and we can inform the Sane list then!
>
>  I had a look at the debug trace you sent me, and everything looks right,
> working as expected.
>  I'll keep it anyway as a reference, if needed.
>  Let us know if you are able to reproduce the problem you had before, and if
> you can get such
>  a trace with the error, please send it, as to investigate more.
>  One point that could be done to improve the driver is to implement the
> send_time function, as the
>  scanner asks for it. Would be needed for that, a Snoop of the usb port with
> the Windows driver.
>  But why a scanner would need time? It seems to work fine without it anyway.
>
>  For now, I'll update the current stand-alone Pixma driver with Pixma MP710
> and MP740, as well as
>  the patch to Sane files, so as to have it included in future Sane releases
> too.
>
>  Thanks again for your participation and help for enhancing the Pixma Sane
> driver
>
>  Regards
>  Nicolas
>
>  Le lundi 11 février 2008 à 09:33 +0900, Gernot Hassenpflug a écrit :
>  On Feb 11, 2008 3:30 AM, Nicolas <nicolas.martin at freesurf.fr> wrote:
> >
> > Ok, great!
> >
> > In order to debug the 600 and 1200 dpi, I will need the traces produces by
> > the driver in debug mode.
>
> Dear Nicholas,
>
> Your driver is apparently working perfectly for me now, no idea why I
> got a hardware error last night with all resolutions above 300. I even
> tried again to use the scan program sending output to the console, and
> although for 1200dpi it took a *long* time(!), there was no error and
> the program scanned to completion eventually.
>
> I am nevertheless attaching for you the debug output of a successful
> 1200dpi scan in case there is any content that appears suspicious or
> dubious.
>
> I would also like to ask at this point: is it possible with not too
> much effort to add independent x and y resolutions, so that 1200x2400,
> or 2400x4800 etc will be available in the pixma series?
>
> Many thanks, Gernot Hassenpflug
>
>
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