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

[Brian]

On Sun 05 Apr 2020 at 15:02:28 +0100, Peter Flynn wrote:

> On 05/04/2020 10:23, 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.
> 
> I have successfully used a Brother MFD with the utilities provided by the
> Brother web site. I'm using Mint 19.2 and my notes say:
> 
> 1. Download brscan and brscan-skey for your architecture from
> https://support.brother.com/g/b/downloadlist.aspx?c=us&lang=en&prod=dcp7065dn_all&os=128&flang=English
> 
> 2. sudo dpkg -i --force-all brscan4-0.4.2-1.amd64.deb
> brscan-skey-0.2.4-1.amd64.deb
> 
> 3. nmap -sT 192.168.1.0/24 | awk '/report/ {ip=$6} /printer/ {print $1,ip}'
> 
> This should show the IP address of your networked printer
> 
> 4.  brsaneconfig4 -a name=Brother model=DCP-J132W ip=<result of nmap> (eg
> 192.168.1.250)
> 
> 5. brsaneconfig4 -q | grep Brother

The brscan package contains the Brother devised backend. The backend has
to interwork with SANE and the Mint 19.x OS for scanning to take place.
I have no reason to believe the Brother backend does not interact with
the SANE software correctly.

> > Additionally, it is probably not the same issue as with the Canon MFD.
> 
> Almost certainly true, but perhaps Canon provide similar tools.

AFAIK, they do not.

-- 
Brian.