[sane-devel] pixma mg7500 testing

Camilo Schöningh camilo at capalino.de
Mon Aug 10 19:39:28 UTC 2015


Hey!

I am not sure. But for me it looks like the latest pixma changes, made 
my scanner not working anymore. :-(

Regards,
Camilo

On 10.08.2015 21:29, Martin wrote:
>
> 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 <rolf at bensch-online.de>
>
> > To: Jonathan Anderson <emailjonathananderson-new at yahoo.com>
>
> > Cc: Sane Development <sane-devel at lists.alioth.debian.org>
>
> > 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 <rolf at bensch-online.de>
>
> > > *To:* Jonathan Anderson <emailjonathananderson-new at yahoo.com>
>
> > > *Cc:* Sane Development <sane-devel at lists.alioth.debian.org>
>
> > > *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 <rolf at bensch-online.de
>
> > >> <mailto:rolf at bensch-online.de>>
>
> > >> *To:* Jonathan Anderson <emailjonathananderson-new at yahoo.com
>
> > >
>
> > > <mailto:emailjonathananderson-new at yahoo.com>>
>
> > >
>
> > >> *Cc:* "sane-devel at lists.alioth.debian.org
>
> > >
>
> > > <mailto:sane-devel at lists.alioth.debian.org>"
>
> > >
>
> > >> <sane-devel at lists.alioth.debian.org
>
> > >
>
> > > <mailto:sane-devel at lists.alioth.debian.org>>
>
> > >
>
> > >> *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
>
>
>

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