Le 2021-08-09 13:02, Dr Rainer Woitok a écrit :
Thierry,

On Monday, 2021-08-02 13:09:34 +0200, you wrote:

...
The current version of scangearmp2 is 4.10 ( https://canoncanadafr.custhelp.com/app/answers/answer_view/a_id/1034243/~/scangear-mp-v.-4.10-for-linux-%28debian-packagearchive%29). You can install libmfo2-canon (https://github.com/Ordissimo/libmfp2-canon), which will allow you to use your device with xsane.

First of all, I'm using "scanimage" rather than "xsane". Would that
work for "scanimage" too?  If yes, am I getting this right:

- I have to clone and build

     https://github.com/Ordissimo/libmfp2-canon.git

  which in turn depends on cloning and building

     https://github.com/Ordissimo/scangearmp2.git

- And since I'm on Gentoo which only offers "media-gfx/sane-backends" version 1.0.31 (this package currently seems to be more or less un-
  maintained) I'd finally have to clone and build

     https://gitlab.com/sane-project/backends.git

Ok, this leads to the question which changeset to check out and how to
tell this final build where to find the other two.

I have not finished, the Flatbed, works, I plan to add the 600dpi.
For the ADF, only the first page is taken but I'll fix that after the vacations.

So it seems it doesn't make much sense to do all that compiling right now, does it? Could you please be so kind as to give me a thumb up via
personal e-mail as soon as I should try?

Hi Rainer,

I just saw that things have changed.
The current version of scangearmp2 is 4.20
So I repackaged it to reflect this, you can use scangearmp2 provided by canon:
https://canoncanadafr.custhelp.com/app/answers/answer_view/a_id/1035645/~/scangear-mp-v.-4.20-for-linux-%28file-source%29
or use just what is needed with my library (libcanon-proprio-bin):
https://launchpad.net/~thierry-f/+archive/ubuntu/libmfp2/+packages

The canon_pixma backends are functional in both flatbed and ADF mode.
I didn't test the ADF Duplex mode (no camera at hand).
Here are the sources of the backend :
https://github.com/Ordissimo/libmfp2-canon/
and
https://launchpad.net/~thierry-f/+archive/ubuntu/libmfp2/+packages

Thierry

Sincerely,
  Rainer

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