Subject: Re: procsets and papd
From: Mark Smith (mcs@umich.edu)
Date: Thu Sep 15 1994 - 21:20:42 EDT
>From: Simon.Gill@brunel.ac.uk (Simon Gill)
> To: netatalk-admins@itd.umich.edu
>
> I would be very grateful if someone could shed some light on the use of
> procsets in papd (part of the netatalk package).
> I am using system 7.1 with laserwriter 8.1.1, printing to three printers
> that use papd and lpd. The mechanism works well except a laserwriter II
> NTX. The other printers are a HP4 with the correct ppd file, and a
> Tektronix colour which uses an Indigo as the RIP, and I customized a ppd
> file to work with this.
>
> The laserwriter (II NTX) is connected to a UNIX box which is running nwi
> filter for accounting. When a mac postcript job is created (print to file)
> and printed from a shell with lpr or InterPrint the job will print, however
> if the same file is printed via papd (ie direct) the job queues then is
> flushed by the filter. I assumed the filter was to blame, but I think that
> the procset we have 'AppleDict 71 0' could well be the culprit, as this was
> created with Pagemaker (a bad printing program), and the procset is rather
> large approx. 110K which does seems excessive.
>
> What is the recommended procset for papd and laserwriter 8, and are there
> any big problems with using laserwriter 8?
I don't think that procsets have much to do with your problem, since
they are basically not used by the LW 8.x driver (it always sends the
entire job, which papd should pass along to the Unix printing system).
Several people have reported problems with some printing filter
software, etc. that expects to see Unix newline-style end of lines.
papd does not convert the linefeed (Mac-style) end of lines that are
sent to it, and this apparently causes some printing software to choke.
Annie.Brugalle@irisa.fr proposed this solution: in your papd.conf file,
use a pipeline to do the conversion. e.g.,
printer:|tr '\015' '\012'|lpr -Pname
It is possible that your problem is due to other limitations in the
current papd implementation; it has never been revised to completely
handle the PostScript structuring conventions used by the 8.x driver.
We are working on a re-write that will.
-Mark
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