Hi Rolf
I've tested the latest version of the sane backend for Canon Pixma
MG7550 with USB-connection. For me it works fine. xsane and the
Gimp-plugin initialize all right and the picture is as it should be.
Many thanks for your work.
Best regards,
Martin
Am Donnerstag, 6. August 2015, 12.38:09 schrieb Jonathan Anderson:
> I have tested network connections for Canon Pixma MG7550
> Connected by cable to router, it was detected and scanned.scanimage
-Ldevice
> `pixma:MG7500_192.168.1.212' is a CANON Canon PIXMA MG7500 Series
> multi-function peripheral However, the scanner was not found by "Simple
> Scan" so I had to scan from command line.scanimage -x 100 -y 100
> --format=tiff >image.tiff
>
> The original was grey / white and the resulting scan was in striped
colors.
> Not sure what to make of that. I did crop this image in GIMP to make the
> size acceptable for the list but it qualitatively shows the appeared
> colors. When using wifi connection to the router, the scanner is not
found
> by scanimage -L or by sane-find-scanner.It is found and scans correctly
> using Canons own scangearmp2 resulting in a nice greyscale picture
true to
> the original. Kind regardsJonathan
> From: Rolf Bensch <[email protected]>
> To: Jonathan Anderson <[email protected]>
> Cc: Sane Development <[email protected]>
> Sent: Wednesday, July 29, 2015 7:25 PM
> Subject: Re: [sane-devel] pixma mg7500 testing
>
> Hi Jonathan,
>
> I just committed the patch Sane's development sources.
>
> Maybe you want to test ethernet or wifi connection (bjnp). Please read
> the manpage for details (man sane-pixma). Don't hesitate to ask the
> mailing list for help, if you may need some. Sorry, but I cannot help
> with bjnp.
>
> Many thanks for your help.
>
> Cheers,
> Rolf
>
> Am 27.07.2015 um 14:32 schrieb Jonathan Anderson:
> > Hi,
> >
> > that patch made all the stripes go away and 1200 and 2400 dpi
scans now
> > look great.
> > Scanning is very slow but I suppose that comes down to the scan
process
> > and the usb2 connection and not the software.
> >
> > Thank you for helping open source forward :-)
> >
> > Just a short question, as you seem alert and working on this project,
> > how come there has been no official release since 2013?
> >
> > Cheers
> > jonathan
> >
> >
------------------------------------------------------------------------
> > *From:* Rolf Bensch <[email protected]>
> > *To:* Jonathan Anderson <[email protected]>
> > *Cc:* Sane Development <[email protected]>
> > *Sent:* Saturday, July 25, 2015 12:12 PM
> > *Subject:* Re: [sane-devel] pixma mg7500 testing
> >
> > Hi Jonathan,
> >
> > Attached patch should fix the 1200 and 2400 dpi issue. This file
patches
> > backend/pixma_mp150.c.
> >
> > Please copy attached file into the folder backend/ and process from
> > inside backend/ this command: patch pixma_mp150.c pixma_mp150.c.patch1
> >
> > Then 'cd ..' and 'make && sudo make install'.
> >
> > Please report your results again.
> >
> > If this patch is working, I'll update Sane's development sources.
> >
> > Cheers,
> > Rolf
> >
> > Am 24.07.2015 um 16:58 schrieb Jonathan Anderson:
> >> Hi,
> >>
> >> I've tested the sane-backends-git20150724 with Fedora 22.
> >> The scanner was correctly detected and scanned 600 dpi good as
you said.
> >> It showed stripes on 1200 and 2400 just as you said.
> >>
> >> Do you need to see the scans or can I give you any additional info to
> >> help you?
> >>
> >> Kind regards
> >> Jonathan
> >>
> >>
------------------------------------------------------------------------
> >> *From:* Rolf Bensch <[email protected]
> >> <mailto:[email protected]>>
> >> *To:* Jonathan Anderson <[email protected]
> >
> > <mailto:[email protected]>>
> >
> >> *Cc:* "[email protected]
> >
> > <mailto:[email protected]>"
> >
> >> <[email protected]
> >
> > <mailto:[email protected]>>
> >
> >> *Sent:* Friday, July 24, 2015 9:08 AM
> >> *Subject:* Re: [sane-devel] pixma mg7500 testing
> >>
> >> Hi Jonathan,
> >>
> >> Please install SANE Development (git) Version as described in
> >> README.linux (I assume you're using Linux):
> >> http://www.sane-project.org/docs.html
> >
> > <http://www.sane-project.org/docs.html>.
> >
> >> Then your scanner should scan up to 600dpi without any problems.
> >>
> >> I assume that you'll see stripes on 1200 and 2400 dpi images,
then I'll
> >> create a patch for your scanner. Please report your results.
> >>
> >> Many thanks for your help.
> >>
> >> Cheers,
> >> Rolf
> >>
> >> Am 22.07.2015 um 16:48 schrieb Jonathan Anderson:
> >>> I'd be happy to help with the testing of a Canon Pixma MG7550.
> >>> Please tell me what to do.
> >>>
> >>> Kind regards
> >>> Jonathan
