[sane-devel] Fw: Canon DR-2580C - size recognition problems

[Max Voit]

Had a look at the debug-log with SANE_DEBUG_CANON_DR=15, see attachment.

Am I suspecting right that it is recognized as the wrong model, i.e.
DR-2050?

Max

On Mon, 31 Oct 2011 22:27:11 +0100
Max Voit <max.voit+mlsa at with-eyes.net> wrote:

> seems debian did some strange things i don't understand. Finally build
> the whole package anew and installed it, otherwise(with the way
> described, same version as the installed package) the scanner would
> not be recognized.
> 
> Well, it didn't work. The black bar at the top of the back side is
> still 70px, the one on the bottom of the front side grew up to 140px.
> 
> kind regards,
> Max
> 
> On Mon, 31 Oct 2011 15:43:42 -0400
> "m. allan noah" <kitno455 at gmail.com> wrote:
> 
> > ok. if you download the sane-backend source, and edit
> > backend/canon_dr.c, you will find the function init_model(). In
> > there is a section for your scanner. Add this line:
> > 
> > s->duplex_offset = 432;
> > 
> > Then you should be able to configure and make the software. You
> > don't need to make install. Instead, just copy
> >  backend/.libs/libsane-canon_dr.so.1.0.22 over the version provided
> > by your distro. Make sure you use the same file name, as there are
> > symlinks which point to it.
> > 
> > That should cause the backend to strip off the black line from the
> > top of the back side.
> > 
> > allan
> > 
> 

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