A.P. Lawrence

network printer over internet

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From - Fri Sep 28 12:01:02 2001
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From: Jeff Liebermann <jeffl@comix.santa-cruz.ca.us>
Newsgroups: comp.unix.sco.misc
Subject: Re: HP JetDirect 170X problems
Date: Fri, 28 Sep 2001 07:17:43 -0700
Organization: Committee to Maintain and Independent Xenix
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On Thu, 27 Sep 2001 19:52:39 GMT, "Duncan Seibert" <duncan@seibert.cc>
wrote:

>Using SCO OpenServer 5.0.4 printing to a dot-matrix printer using a
>JetDirect 170X use to work. It stopped working and gave garbage output,
>often repeating pages. We upgraded to 5.0.6 and reinstalled all printers
>using hpnpcfg. All LaserJet's with internal network I/Os work fine, the 2
>external JetDirects with dot-matrix printers still don't work.
>
>Report prints but lpstat -t shows the report on the printer even after it is
>printed. Report gets reprinted until it is removed through scoadmin. We have
>tried setting idle-timeout. Default is 90, we have tried 500, 800 and 15.
>None work.

Is this Jetdirect 170x exposed to the internet with a routeable IP
address?  I have a few print servers like that.  The Code Red and
similar worms just drive them nuts.  The symptoms are similar to what
you're getting.  If the day it stopped working coincides with the
emergence of Code Red, please hide your print servers behind a
firewall.

I'm not sure why lpstat -t still shows the print job.  The report
writing program is responsible for closing the pipe to the print
spooler.  Try printing something without your unspecified application
as in:
  cat filename | lp -d print_spooler_name
and see if it has the same problem.  If it works, then the problem is
in your unspecified application.  It's probably leaving the print job
output open or not finishing the print job.  You might be able to see
it open with:
  ps -ef
which would show the application and the pipe to lp or lpr.  The
reprint problem is really strange as it could be the internal settings
in the HP 170x deciding to restart if no data is received for xxx
number of seconds (I forgot the exact settings).  Hard to tell from
here.

Unix and Linux Support

-- 
Jeff Liebermann  150 Felker St #D  Santa Cruz CA 95060
(831)421-6491 pgr (831)426-1240 fax (831)336-2558 home
http://www.LearnByDestroying.com   WB6SSY
jeffl@comix.santa-cruz.ca.us   jeffl@cruzio.com

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