On Mon 16.02.15 20:15, Rolf Bensch wrote:
> Hi Chris,
>
> Attached patch should fix your issue. The patch fixes this file:
> backend/pixma_mp150.c.
>
> Please also test the USB connection without WiFi connected.
>
> After your positive feedback I'll update the sources in SANE's git
> repository.
>
> Cheers,
> Rolf
>
>
>
> Am 16.02.2015 um 19:44 schrieb Christian Spielberger:
> > On Mon 16.02.15 14:29, Guillaume Courtois wrote:
> >>> Hi,
> >>> today I activated my brand new Canon PIXMA MG6450 printer/scanner.
> >>> In the SANE
> >>> table for supported devices the device is listed as "Untested":
> >>>
> >>> ...
> >>> PIXMA MG6400 Series USB 0x04a9/0x1770 Untested
> >>> Testers needed!
> >>> ...
> >>>
> >>> I built and installed the sane-backends project. It worked like a
> >>> charm for my
> >>> device which is connected by wifi. The scanned image looks quite
> >>> good. The
> >>> colors are correct. Resolutions up to 600dpi are working. With
> >>> 1200dpi there are
> >>> "column oriented" artefacts.
> >>>
> >>> Configuration on printer: Normal configuration process, then
> >>> - wifi config (dhcp)
> >>> - set hostname (to "canon") through the printers display menu
> >>>
> >>> Configuration on system (Ubuntu trusty):
> >>> To /etc/sane.d/pixma.conf added line:
> >>> bjnp://canon.local
> >>>
> >>> Building sane-backends (default):
> >>>
> >>> ./configure
> >>> make
> >>> sudo make install
> >>>
> >>> $ scanimage -L
> >>> device `pixma:MG6400_canon.local' is a CANON Canon PIXMA MG6400 Series
> >>> multi-function peripheral
> >>>
> >>>
> >>> Do you need more informations?
> >>>
> >>> regards,
> >>> Chris.
> >> Hi,
> >>
> >> Can you send us a picture of the scan at 1200 dpi ?
> >> Did you try higher resolutions ?
> >>
> >> You may have the same kind of problem I had with my Canon MP990 (and
> >> which I solved, I have to send the patch for that BTW !)
> >>
> >> Bye.
> >>
> >> Le 14/02/2015 22:46, Christian Spielberger a écrit :
> > Hi Guillaume,
> > I reordered your reply to bottom posting. Thought, this is common in web
> > forums, resp. mailing lists.
> >
> > The images are very large in disk space. They can be downloaded from:
> > - image as it should look like, scanned with 75dpi
> > https://dl.dropboxusercontent.com/u/69356214/nypd-75dpi.png
> > - image scanned with 1200dpi
> > https://dl.dropboxusercontent.com/u/69356214/nypd-1200dpi-onA5.png
> >
> > regards,
> > Chris.
> >
> >
>
> --- ./pixma_mp150.c 2015-02-16 19:57:59.430742217 +0100
> +++ ../sane-backends/backend/pixma_mp150.c 2015-02-16 19:58:46.983176453
> +0100
> @@ -1149,6 +1149,7 @@
> && s->cfg->pid != MG5300_PID
> && s->cfg->pid != MG5500_PID
> && s->cfg->pid != MG6300_PID
> + && s->cfg->pid != MG6400_PID
> && s->cfg->pid != MG7100_PID)
> reorder_pixels (mp->linebuf, sptr, c, n, m, s->param->wx,
> line_size);
>
Hi Rolf Bench,
I tried the patch and it works. Sorry, currently I have no time to test it with
USB cable. Only Wifi.
See:
https://dl.dropboxusercontent.com/u/69356214/nypd-1200dpi-patched.png
Attached git generated patch.
regards,
chris.
--- a/backend/pixma_mp150.c
+++ b/backend/pixma_mp150.c
@@ -1149,6 +1149,7 @@ post_process_image_data (pixma_t * s, pixma_imagebuf_t *
ib)
&& s->cfg->pid != MG5300_PID
&& s->cfg->pid != MG5500_PID
&& s->cfg->pid != MG6300_PID
+ && s->cfg->pid != MG6400_PID
&& s->cfg->pid != MG7100_PID)
reorder_pixels (mp->linebuf, sptr, c, n, m, s->param->wx,
line_size);
--
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