page_log is empty

[Timo]

By the way:

At the printer status page, I see:

"Hp4250	Hp4250		HP LaserJet 4250 Foomatic/Postscript	Idle - "Waiting for job to complete...""

every time a print job gets sent to this printer, and it does not disappear after the print job has been completed. I guess there are no entries in the page_log due to this, right? How can this be solved?


> 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
> >
>