Canon Pixma G3501 & *Ubuntu 18.04 LTS: though I CAN print, I CANNOT scan.

[Gene Heskett]

On Sunday 05 April 2020 09:18:22 Brian wrote:

> On Sun 05 Apr 2020 at 08:14:46 -0400, Gene Heskett wrote:
> > On Sunday 05 April 2020 05:23:53 Brian wrote:
> > > On Fri 03 Apr 2020 at 07:57:31 -0400, Little Girl wrote:
> > > > Hey there,
> > > >
> > > > Bas Roufs wrote:
> > > > >Canon Pixma G3501 & *Ubuntu 18.04 LTS: though I CAN print, I
> > > > > CANNOT scan.
> > > >
> > > > This may or may not be the same for you with your Canon printer,
> > > > but my Brother printer does wired or wireless printing, but can
> > > > only do wired scanning from my Ubuntu MATE machine. This is
> > > > definitely a GNU/Linux driver issue, because the same printer
> > > > does wireless scans with no issues from Windows, from an Android
> > > > tablet, and from my iPad.
> > >
> > > SANE does not provide a backend for Brother MFDs. The Android
> > > tablet and the iPad do not use SANE but AirScan, which Ubuntu
> > > 18.04 can also use. Lack of wireless scanning is not a GNU/Linux
> > > driver issue.
> >
> > Oh? Somebody should tell the MFC-J6920DW on the next desk, xsane
> > runs it just fine at up to 11x17. Even the ADF works for the usual
> > sizes, but manually on the bed for 11x17. Using brothers linux
> > drivers.
>
> Tell the MFC-J6920DW what? I'll try to be more precise.

That they are not supposed to work.

> The MFC-J6920DW does not use a backend provided by the SANE project
> but one provided by Brother. A failure to scan over a wireless link
> is either a matter for Brother or (more likely) a user induced issue.
>
> Pointing a finger at GNU/Linux with either Brother or Canon scanners
> sweeps both problems under the carpet.

Brother at least does supply linux drivers. But thats the extent of their 
linux support. As for wireless I had it setup at one time but it was 10x 
faster wired.
> --
> Brian.


Cheers, Gene Heskett
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