page_log is empty

[Timo]

Thank you for your reply.

So maybe I should try to contact the people from openprinting.org?

> Timo wrote:
>
> >>
> >> Hello,
> >>
> >> On Jan 21 00:52 Timo wrote (shortened):
> >> >>
> >> >> If you are using something other than a plain PPD for a PostScript
> >> >> (with no cupsFilter lines), then CUPS will do the page logging for
> >> >> you.  Otherwise, the driver MUST provide the page logging.
> >> >>
> >> >> So again, what drivers are you using?  What printers?
> >> >>
> >> >> ___________________________________________________
> >> >> Michael Sweet, Senior Printing System Engineer
> >> >>
> >> ....
> >> >
> >> > I am using the drivers provided on openprinting.org
> >> > our institute's printers basically are:
> >> >
> >> > - Infotec MP 2550
> >> > - Ricoh Afifio SP C811DN
> >> > - HP Color Laser Jet 2605
> >> > - HP Laserjet 1320
> >> > - HP Laserjet 4250
> >> > - HP DesignJet T1100 MFP
> >> > - HP DesignJet T1100ps
> >>
> >> The command
> >>    egrep -i '^\*nickname|^\*cupsfilter' /etc/cups/ppd/*
> >> shows the most interesting entries regarding "driver"
> >> in the PPDs which you actually use for your printers.
> >>
> >> For PostScript printers prefer an original PPD from
> >> the manufacturer. A decent PostScript printer is always
> >> accompanied by a suitable PPD file of the manufacturer.
> >> The printer manufacturer's PPD file ensures that all
> >> the functions of the PostScript printer can be used.
> >> All PostScript printers work with "generic PostScript"
> >> PPD files, but then you will not get access to all
> >> the printer specific functionality.
> >>
> >> Also openprinting.org provides original manufacturer
> >> PPDs, see
> >> http://www.openprinting.org/driver_list.cgi
> >>
> >> For basic information about "dirver" versus "PPD"
> >> you may like to have a look at
> >> http://en.opensuse.org/SDB:CUPS_in_a_Nutshell
> >>
> >>
> >> Kind Regards
> >> Johannes Meixner
> >> --
> >> SUSE LINUX Products GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany
> >> AG Nuernberg, HRB 16746, GF: Markus Rex
> >>
> >
> > Hello Johannes,
> >
> > thank you for replying. Until now, I tested printing only for the HP 4250
> > because I still have a major problem with Kerberos authentication and
> > therefore, I did not add the other printers yet (see my other posting).
> >
> > The output of your command is:
> >
> > [root at vlinux002 ~]# egrep -i '^\*nickname|^\*cupsfilter' /etc/cups/ppd/*
> > /etc/cups/ppd/HP4250.ppd:*cupsFilter:	"application/vnd.cups-postscript 100
> > foomatic-rip"
> > /etc/cups/ppd/HP4250.ppd:*cupsFilter:	"application/vnd.cups-pdf 0
> > foomatic-rip"
> > /etc/cups/ppd/HP4250.ppd:*NickName:      "HP LaserJet 4250
> > Foomatic/Postscript" /etc/cups/ppd/Ricoh_Aficio_SP_C811DN.ppd:*NickName:
> > "Ricoh Aficio SP C811DN PS"
> > /etc/cups/ppd/Ricoh_Aficio_SP_C811DN.ppd:*cupsFilter:
> > "application/vnd.cups-postscript 0 foomatic-rip"
> >
> > What does this tell me / you? Why are there no entries in the page_log,
> > are the drivers used by me the wrong ones? Thank you.
>
>
> As I deduce from looking into the code of both foomatic-rip 3.0.x and 4.0.x,
> the filter inserts PostScript code to generate the "PAGE: ..." messages for
> CUPS, but as far as I can see these are only effective if either the PS code
> is fed through Ghostscript or the printer is (in case of a native PostScript
> printer) driven by a backend that captures the backchannel data and writes
> them to standard error (maybe using a special port monitor?).
>
> Helge
>