[cups.general] CUPS: How to Block Color Printing?

[ricardo oliveira]

I need cups  cause i am using pykota quota printing system. I guess
pykota don't work without cups.
What about if I replace the generated PPD with the original one KOC450U.ppd ?

Ric

On 11/29/06, Helge Blischke <h.blischke at srz.de> wrote:
> ricardo oliveira wrote:
> > Hi again:
> >
> > Sorry. I've sent you the incorrect PPD. But I have here the correct.
> > The correct comes as KOC450U.ppd and it was downloaded from konica
> > minolta web site. the RPM name is KMPU1.7-REDHAT-INTEL.RPM.
> >
> > After that I add a printer (MYPRINTER) in the redhat-config-printer
> > and choose driver from KONICAMINOLTA. That will create a MYPRINTER.ppd
> > in /etc/cups/ppd ... but this file that it is created its differente
> > from the KOC450U.ppd that I imported to redhat-config-printer!
> >
> > What's happening here? Can you tell me?
> >
> > The KOC450U.ppd I use to import to redhat-config-printer has this entry:
> > *DefaultSelectColor: Color
> > But the MYPRINTER.ppd file that is created when I had a printer does
> > not have it!
> > I'll attach both files for you to check them!
> >
> > I must tahnk you a lot for all help you're giving me...
> >
> > Ric
> >
> >
> >> Well, the PPD you attached is NOT the original vendor supplied PPD,
> >> it is for a different printer; and the C450 is a color device.
> >>
> >> You should download the PostScript driver package for the C450 from
> >> the Konica Minolta web site and extract the PPD from there.
> >>
> >> The correct PPD should contain statements like
> >> ---snip---
> >> *OpenUI  *SelectColor/Select Color: PickOne
> >> *OrderDependency: 10 AnySetup *SelectColor
> >> *DefaultSelectColor: Color
> >> *SelectColor Color/Color:  "<</ProcessColorModel /DeviceCMYK>>
> >> setpagedevice"
> >> *SelectColor Grayscale/Grayscale:  "<</ProcessColorModel /DeviceGray>>
> >> setpagedevice"
> >> *CloseUI: *SelectColor
> >> ---snip---
> >> To set b/w mode, you should (by editing the printer's PPD in
> >> /etc/cups/ppd or
> >> by lpadmin or by the web interface ("Configure Printer" button))
> >> modify it to
> >>
> >> *DefaultSelectColor: Grayscale
> >>
> >> Helge
> >>
> >> PS: BTW, did your printer print anything? Depending on the printer's
> >> configuration
> >> (by the service guy) it needs a bunch of PJL statements containing
> >> user ID and
> >> authentication keys (e.g. "PUBLIC" for unrestricted use). I mention
> >> this as I
> >> had to to some tweaks to get our C250 (which is a similar, a bit
> >> slower device)
> >> working with CUPS.
> >>
>
> I think the redhat-config-printer uses its own printer information databases
> and always generates foomatic based printer configurations and thus creates
> PPDs of its own.
>
> The RPM you downloaded from Konica Minolta should contain a
> proprietary set of filters and utilities, among them an installation
> and configuration script. If you use that, the b/w modification I
> mentioned earlier should work. But the setup provided by Konica Minolta
> bypasses CUPS' pstops filter. If you need all CUPS features with that printer,
> and your printer is NOT configured for restricted use, I could send you
> a modified PPD and a filter script that generates the necessary PJL
> statements.
>
> Helge
>
>
> --
> Helge Blischke
> Softwareentwicklung
> SRZ Berlin | Firmengruppe besscom
> http://www.srz.de
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