[cups.general] Create color / black and white queues from color printer

[Daniel J. Soto]

Hi,

thanks for your reply.

I have tried your option but my PDF printer (I'm using this for test) still
print in color... It is like CUPS doesn't use the ppd files... it's
possible?

In the other hand, how I can change the appropiate value with a command
line? lpoption?

Thanks in advance,
Daniel.

2011/10/17 Helge Blischke <h.blischke at acm.org>

> Daniel J. Soto wrote:
>
> > Hello all,
> >
> > it is possible that another people have been asked the same question but
> > I'm googling from last ten days and I have not found anything about this
> > that I can use...
> >
> > I'm looking for a way to create two queues from the same color printer,
> > one for printing in color and one for printing in black and white (or
> > grayscale). I've tryed to modify the ppd file manually setting de
> > attribute ColorDevice to false but it doesn't work. My objetive is to do
> > this internally from my (php) program but I'm trying to do manually
> before
> > for understanding the process... It's seems CUPS doesn't read the ppd
> file
> > before printing (ubuntu)...
> >
> > Perphaps anybody have had the same problem before... or knows how I do
> > that or where I can find info about doing that...
> >
> > I would be much obliged for any hepful information...
> >
> > Regards,
> > Daniel.
>
> Don't touch the ColorDevice attribute but instead change the
> *DefaultColorSpace: xxxx
> (xxxx will be CMYK or RGB) to
> *DefaultColorSpace: Gray
>
> Helge
> for the grayscale queue.
>
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