[sane-devel] Canon MP450

Christopher Albert chr.albert at gmail.com
Fri Mar 24 10:49:13 UTC 2006

Hi Martin!
As some others posted, I have started something similar but did not
come very far yet (also lack of time). The prog just scans in one page
in the ADF and writes out a pnm or something.
(http://cmp750.berlios.de). Maybe we could work together on a
sane-backend to finally get the thing running ;-)

On 3/23/06, Martin Schewe  wrote:
> Hi,
> when I bought a Pixma MP750 more than one year ago, nobody published any
> open source device driver -- not even protocol specific information.  So
> I decided to sniff the Windows driver's communication and analyse it.
> It didn't took very long to write a dumb image acquisition tool fitting
> my needs.  Annoyingly my semester at the university reached its "final
> stage" the same time and so the project got suspended abruptly.  Shame
> on me, I didn't contact sane-devel before to publish my work.  I'm
> really sorry for that.
> When I recall correctly, the tool supported
> - all resolutions: 75/150/300/600/... dpi
> - user defined image offsets and sizes
> - ADF and flatbed
> - calibration
> - reset / recovery on errors
> - basic status handling and
> - things I might have forgotten :)
> The code misses a licence (okay, that's pretty simple:  GPL), credits, a
> big cleanup and some comments so far.  I will finalize these things on
> the weekend and put the code on the net or setup public access to my
> subversion repository.  Maybe I will write a sane-backend some day.
> If you have a Pixma scanner other than 7x0, you should consider
> publishing some sniffing logs.  It is pretty simple then to check if
> your scanner uses a similar protocol.
> Regards,
>                 Martin

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