Printer Filter

From: Jane Qu <qu_at_madrad.radiology.wisc.edu>
Date: Tue, 19 Mar 96 10:58:57 -0600

Hi,

Our DEC 3000/400 running OSF1 3.2 is used as the printer
server of the subnet. The subnet includes various UNIX systems.
All print jobs are sent to a filter on this host. The filter
converts ascii files into postscript and passes postscript files unchanged.
The output of this virtual printer goes to a physical printer HP
Laser-jet 4 M Plus on the subnet.

The content of the filter file is:

#!/bin/sh
(cat - | /usr/lbin/ln03rof 2> /dev/null) |lpr -Praw

The entries of the filter and the HP Laser-jet in printcap are:

lp|lp0|0|lp0|hplj4:\
        :lf=/usr/adm/lperr:\
        :ff=NULL:\
        :mx#0:\
        :of=/usr/lbin/printfilter:\
        :sh:\
        :sf:\
        :lp=/dev/null:\
        :rw:\
        :sd=/usr/spool/lpd:

raw|hp0|hplj4raw:\
        :af=/usr/adm/lpacct:\
        :if=/usr/lbin/hplaserpsof:\
        :lf=/usr/adm/lperr:\
        :mx#0:\
        :of=/usr/lbin/hplaserpsof:\
        :pl#66:\
        :pw#80:\
        :rm=hplj4:\
        :rp=raw:\
        :rw:\
        :sd=/usr/spool/raw:\
        :xf=/usr/lbin/hplaserpsof:


Currently, we do not have any banner page. This results in frequent pile-up
of some unclaimed printout.

I tried to turn the banner page on. It worked fine for ascii
files. But for a postscript file, the filter sees the banner page
first before '%! so it thinks this is an ascii file. The output of
a postscript file turned out to be a banner page plus pages of ascii
characters.

I do not have any documents about the system. I wonder where I should
look into or look for help?

Is there a better filter that can recognize the banner page?

Thanks in advance.

Jane Qu
qu_at_madrad.radiology.wisc.edu
Received on Wed Mar 20 1996 - 14:04:55 NZST

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