Bug#950690: cups-filters: Printing fails with an error about Grayscale/monochrome conversion
On Wed 05 Feb 2020 at 17:18:28 +0100, Yves-Alexis Perez wrote:
> On Wed, Feb 05, 2020 at 03:29:22PM +0000, Brian Potkin wrote:
> > Your issue seems connected with
> >
> > https://github.com/OpenPrinting/cups-filters/issues/169
> >
> > and its associated bugs.
>
> When looking at the warning message in the logs I stumbled on that bug,
> but didn't really find it really informative (especially since it's
> closed while I still have the bug).
I think using gs as the renderer is regarded as the fix but, TBH, I got
a little lost when I started looking at the bugs linked from #169.
> > I take it you are using the PostScript
> > PPD provided by Brother.
>
> Not really sure, but I don't think so. I mean, I'm using the PPD file
> from cups Debian packages, not anything from Brother.
As root, what do you get for
grep "*NickName" /etc/cups/ppd/<your_5250_ppd>
Do you know the package name?
> > I did test how filtering went with it
> > and a file or two. I got no errors, but did get the warnings you
> > got. Then again, I do not have the printer to print the output
> > file to.
>
> Not entirely sure what is your workflow here, but with some details
> maybe I can try to reproduce what you did and see if something goes out
> of the printer?
Later, certainly. I'd like to test with your PPD first.
> > I am not sure I really understand all that is involved here, so,
> > because you are able to provide first-hand experience, suggest
> > you forward the issue upstream.
>
> Just to be sure: do you mean opening a new issue on upstream github, or
> just commenting on the issue linked above?
Open a new issue referring to #169 and referencing the Debian report.
Regards,
Brian.
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