[Samba] Re: Canon ImageRUNNER 600, Samba and LPRng

William R. Knox wknox at mitre.org
Thu Apr 25 08:20:03 GMT 2002

Actually, we use the "postscript" parameter on some of our printer shares
that are specifically used by a poorly behaved (with regards to printing,
anyway) DOS-based contract program that generates PostScript output that
requires the prefixing of a %!. We could also do this with a print filter,
but the availability of the "postscript" parameter made things nice and
easy. This is likely one of those things (much like share modes) that,
once it exists, is a hard thing of which to rid oneself.

			Bill Knox
			Senior Operating Systems Programmer/Analyst
			The MITRE Corporation

On Thu, 18 Apr 2002, Gerald Carter wrote:

> Date: Thu, 18 Apr 2002 08:27:10 -0500 (CDT)
> From: Gerald Carter <jerry at samba.org>
> To: Glenn Sieb <ges at lumeta.com>
> Cc: lprng at lprng.com, Samba Mailing List <samba at lists.samba.org>,
>      Patrick Powell <papowell at astart.com>
> Subject: [Samba] Re: Canon ImageRUNNER 600, Samba and LPRng
> On Tue, 16 Apr 2002, Glenn Sieb wrote:
> > A few days ago, on the LPRng mailing list, I posted a weird problem with
> > our Canon ImageRUNNER 600 and LPRng... turns out it's not a problem with
> > LPRng... rather, it's an issue with a slightly-misleading option for Samba
> > printers, and a bug with Canon's PCL processor.
> >
> > In Samba, you have the option to say "Postscript = Yes", which doesn't mean
> > "This is a postscript printer" but rather "this printer takes postscript
> > all the time, so please add "%!" to the beginning of all jobs to it!"  HP
> > Printers are smart enough to see the PCL code in the job and go "Oh
> > gee--this isn't really postscript... we'll just process it with
> > PCL..."  The Canon goes "Oh--oops--here's a %!.. must be plaintext cuz
> > there's an Escape and some PCL.. I'll just print the "%!" and a pagefeed"
> >
> > So mystery solved... hopefully this will help others out there with the
> > Canon ImageRUNNER class copiers--and Samba guys--can you change that option
> > to say "Force Postscript"? *duck&run* :))))))
> To be honest, I don't know why this parameter is even still around.
> :-) :-)  Maybe just to confuse people.  I'll look into it.
> cheers, jerry
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