On Tue, Mar 17, 2015 at 08:15:08AM +0900, Olaf Meeuwissen wrote:
> Alan McConnell writes:
>
> > Assembled Wisdom!
> >
> > I am sure that this question has a simple answer. My situation:
> > I bought a Canon imageCLASS MF4770n all-in-one
> > printer(scanner/copier/fax) on Friday. It took me a while to get
> > my CUPS and lpadmin commands so that it would print, but thanks
> > to the documentation provided by Canon to Linux users, it now
> > prints just fine. I would like it to scan also, and I'm having
> > trouble. I think my "sane back end" is not configured properly.
> >
> > I have run sane-find-scanner and my result is:
> > found USB scanner (vendor=0x04a9 [Canon Inc], product=0x2774
> > [MF4700 Series]) at libusb:001:004
> > However, scanimage -L reports: "No scanners were identified. . . ."
> > So something is awry.
> >
> > As confirmation, I have checked http://www.sane-project.org/ for
> > Supported devices and my all-in-one given above is indeed on that
> > list.
> >
> > I have simple-scan installed, but when run it can't find the scanner.
> >
> > I am running Debian Wheezy.
>
> Which is two sane-backend releases behind. Changes are you just need a
> newer version of the libsane package. IIRC, the version from Jessie
> installs without any problems on Wheezy.
First of all: thank you for your response.
Second: there are no backports for either libsane or
sane-backends.
Third: it is difficult for me to believe that there is
no way for a variant of a very well-known firm, Canon,
to have its particular modus operandi identified.
I would hope that the information given by sane-find-scanner:
found USB scanner (vendor=0x04a9 [Canon Inc], product=0x2774
[MF4700 Series]) at libusb:001:004
would be sufficient to add the support for this particular
Canon all-in-one to my present libsane.
I should add: running scanimage --version yiels:
scanimage (sane-backends) 1.0.22; backend version 1.0.22
I reiterate my call for help!
Alan
--
Alan McConnell : http://globaltap.com/~alan/
A great war leaves a country with three armies: an army of cripples,
an army of mourners, and an army of thieves.(German proverb)
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