[sane-devel] Looking for help with scanner

[Louis Lagendijk]

On Sat, 2018-03-17 at 11:20 -0700, John Oliver wrote:
> On Sat, Mar 17, 2018 at 02:59:09PM +0100, Louis Lagendijk wrote:
> > On Fri, 2018-03-16 at 10:07 -0700, John Oliver wrote:
> > > On Ubuntu 16.04.04, using "Simple Scan" which is, apparently,
> > > SANE.
> > > 
> > > I bought a Canon imageCLASS MF416dw and had to jump through some
> > > hoops
> > > to get it printing.  It's on the network, wired, local
> > > subnet.  I'm
> > > using the PIXMA backend.
> > > 
> > > 
> > > _scanner._tcp.local. [4m15s] PTR Canon MF410
> > > Series._scanner._tcp.local.
> > > ar: Canone585ce.local. (Cache flush) [4m15s] A 192.168.0.20,
> > > Canon
> > > MF410
> > > Series._scanner._tcp.local. (Cache flush) [4m15s] SRV
> > > Canone585ce.local.:8610 0 0, Canon MF410
> > > Series._scanner._tcp.local.
> > > (Cache flush) [4m15s] TXT "txtvers=1" "note="
> > > "adminurl=http://Canone585ce.local/airprint.html" "ty=Canon MF410
> > > Series" "UUID=f48139e585ce" "mfg=Canon" "mdl=MF410 Series"


Sol this is how the device reports itself: Canon MF410 Series
This deviates more from the type number on the label than normal, just
something to take into account when adding the scanner in the code

> > > 
> > Did you try the scanner over USB? If that works we can continue
> > with
> > the network scanning. Network just adds some additional complexity,
> > so
> > lets first ensure that the scanner works over USB.
> > A quick grep on the source code seems to suggest that it is not yet
> > supported.
Well it reports with a different string, so a grep probably would not
have found it anyhow, but it is currently not suported for all I can
see
> > What does lsusb say for the scanner when connected over USB?
> 
> Haven't tried yet, I don't have a USB cable handy...
Please contact the mailing list again and ask Rolf Bensch to have a
look at the scanner: it is currently not supported. I guess that it
should be added in the code. That is normally not that complicated. But
Rolf does normally the management of the code, so he knows what look
for. @Rolf Bensch: can you please have a look? @John, please find a USB
cable as Rolf will want to do initial testing over USB
> 
> > You could also try:
> > export SANE_DEBUG_PIXMA=20
> > export SANE_DEBUG_BJNP=20
> > scanimage -L 2> log
> > and mail me the logfile
> > See espacially the lines starting with 
> > [pixma] Scanner model
> 
> Attached.
> 
And as expected: the scanner is not yet recognized. Lets hope that Rolf
can have a look...
> 
> What does itt ake to get support added?  I'm happy to do some legwork

See above.

BR, Louis