[sane-devel] How can I help with Canon Maxify MB2000 series testing?

[Patrick Roncagliolo]

I have empty iptables.
By reading manpages, I found that /etc/sane.d was not in
the $SANE_CONFIG_DIR.
I put there "bjnp://192.168.1.5", lanched scanimage -L and it finally
worked.

One question/curiosity: scangearmp2 (Canon proprietary scan tool for linux)
sends a discovery probe on port 8611 instead of 8612, and behaves
differently from the pixma backend. Is there some reverse-engineered
documentation about the BJNP messages, types, codes? I imagine so, given
that pixma-backend exists, but I had no success in finding it.



Il giorno sab 17 mar 2018 alle ore 14:47 Louis Lagendijk <louis at fazant.net>
ha scritto:

> On Tue, 2018-03-13 at 21:17 +0000, Patrick Roncagliolo wrote:
>
> Hi,
>
> I tested pixma version 0.17.46 thru USB. It works.
>
> However, after updating from your PPa, I'm not able to discover my printer
> on the network. pixma.conf seems to be ignored, no matter if I set the IP
> and multiple port combinations (8610, 8611, 8612, but whit wireshark I see
> only requests as broadcast on ports 8610 8612). What could have been
> changed? Any hints about some dumb things that I can have forgotten since
> last configuration?
>
> Il giorno dom 11 mar 2018 alle ore 12:26 Rolf Bensch <
> rolf at bensch-online.de> ha scritto:
>
> Hi Patrick,
>
> I just added button support for your scanner.
>
> If you're fetching the sources from git you can start testing now.
> Otherwise you must wait 'til tomorrow to get the update from my ppa.
>
> Button support is basicly implemented in standard frontends. You should
> use gscan2pdf to get best results. Or if you're familiar programming
> bash scripts, you can use scanbd
> (https://sourceforge.net/projects/scanbd/). If you like I can provide my
> pixma scripts.
>
> Hope this helps.
>
> Cheers,
> Rolf
>
>
> I have an MB5050 myself and that works pretty well.
> Can you please (in a shell) do:
>
> export SANE_DEBUG_BJNP=20
> scanimage -L 2> log
>
> and mail the resulting log file?
> Some of the most recent Canon scanners no longer support bjnp, butthe
> MB2000 is as far as I know of the same generation as my MB5050, so I expect
> bjnp till to be supported.
>
> Please check your firewall settings (see man sane-pixma) to be sure that
> traffic does not get blocked. There should be no reason to modify the
> pixma.conf file, unless you are on WIFI: ome users report problems oer WIFI.
> See the bjnp-timeout settings in pixma.conf. A single line of
> bjnp-timeout=5000
> at the beginning of that file should in that case do the trick.
> I decided against including that by default as it would cause long delays
> for user using other backends
>
> BR, Loujis
> --
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