[sane-devel] How to enable scanning on a Canon all-in-one printer?
olaf.meeuwissen at avasys.jp
Tue Mar 17 23:04:52 UTC 2015
Alan McConnell writes:
> 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
I didn't mean a package from wheezy-backports, I meant a package from
I assume you want to stay on Debian' stable release, so
echo 'APT:Default-Release "stable";' >> /etc/apt/apt.conf
if you haven't done so already. Next
echo 'deb http://http.debian.net/debian jessie main' >> /etc/apt/sources.list
apt-get install libsane=1.0.24
should get you there, in principle. All commands should be run with
root privileges, and, no, I haven't tested this.
> 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.
As Allan has already stated in a separate message, it takes a lot more
than just that and, fortunately for you, that has been done already.
> I should add: running scanimage --version yiels:
> scanimage (sane-backends) 1.0.22; backend version 1.0.22
The latest version is 1.0.24.
> I reiterate my call for help!
Hope this helps,
Olaf Meeuwissen, LPIC-2 FLOSS Engineer -- AVASYS CORPORATION
FSF Associate Member #1962 Help support software freedom
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