netcat postscript printer
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From: Jeff Liebermann <firstname.lastname@example.org> Newsgroups: comp.unix.sco.misc Subject: Re: netcat and postscript printing problem Date: Thu, 01 Jun 2000 10:10:49 -0700 Message-ID: <email@example.com> References: <O4uZ4.firstname.lastname@example.org> On Thu, 01 Jun 2000 14:05:34 GMT, "Greg K." <NSOM@att.net> wrote: >We are using netcat in our offices for dot matrix and one laser printer and >haven't had any problems until we tried to install a postscript printer to >print picking tickets and generally to replace expensive preprinted forms by >using Planet Press 3 from Objectif Lune.
Netcat can work in two different ways as illustrated in: http://www.cruzio.com/~jeffl/sco/lp/axis.htm in the "Testing from print spooler" and "Testing from command line" sections. 1. to use the stock SCO print spooler scripts or the netcat-hp print spooler script that I supplied to do the printing. This has the advantage of allowing some post processing and sending the printer PCL commands to setup page orientation, LPI, CPI, etc. All this is completely wasted on a Postscribble printer. 2. from the command line with absolutely no post processing of the data. Data goes in, the same thing goes to the printer. This is what you want to send to a Postscribble printer. To test the command line, run: cat filename.ps | netcat -h mita1200 -p 9500 Duz it work? The mita1200 is the hostname of the printer from /etc/hosts. The 9500 is whatever port number you assigned in the Axis 540 print server. My use of 9101 and 9102 was a very bad idea(tm) because the 540+ print server uses those for HP emulation. Pick a different number if you have the 540+. I'll fix the Axis instructions when I drag myself to the office tonight. >The printer is a Mita DP-1800 installed as Local with an Axis 540 print >server in PCL6 mode. http://www.kyoceramita.com/products/products.cfm?Item=DP%2D1800&PCat=2&PSub=0 http://www.kyoceramita.com/PDF/DP14001800.pdf (3.4MB) There's something basically wrong with sending Postscribble files to a printer setup to recognize PCL6. The Mita DP-1800 supports Postscribble 2. Duz it properly autoswitch? Probably not. Are you doing anything in the Axis 540 print server to tweak the output such as cr-lf translations? Basically, the problem is that your printer is not properly autoswitching between PCL and Postscribble. It it printed the *TEXT* of the postscript file, then netcat and the printer are working. Force the printer to the PS mode, and try again. It should print the PS file. Why are you using the external Axis 540 instead of the built in ethernet port?
>Being a SCO UNIX (V5.0.5) novice I'm wondering if >during the netcat installation (script and binary), lp services were >assigned to netcat with chgrp and chmod. The installation of netcat was designed to not touch any SCO supplied programs, services, directories, or sacred cows. Everything is added, nothing is changed. >I'm guessing this because when I attempt to set up the Mita in scoadmin >printer and select anything other than netcat as the model, print requests >appear to be successful but no data is sent to the printer...it sits there >saying its ready. Sits where? Try: lpstat -t for a list of pending print jobs and printer status. Look for disabled printers or printers that are set to not accept jobs. Cancel any pending jobs with: cancel job-id-number and start clean. >When I select netcat as the model the print job is sent >to the printer but the output consists of about 8 pages of letters and >numbers with some readable script thrown in. (see a small sample below); Yep. That makes sense. You printer is set to PCL6 (HP's printer control language) and doesn't like Postscribble. If the printer doesn't support postscribble, you can always install "Ghostscript" which will convert postscipt incantations to PCL. Ghostscript can be found under: http://www.sco.com/skunkware/ >#sample print output > %!PS-Adobe-2.0 (...) >Is there any way to keep netcat so I don't have to use hpnpcfg and still set >up the postscript printer? I don't understand the question. Each printer *NAME* in netcat is completely independent of each other. Different names can go to different port numbers or with different filters and spooler scripts. Lots of ways to configure it. >Sorry for the length of this...I'm trying to be brief but concise. Thanks >in advance for any help you all may be able to provide. Hint: Start with what you are trying to accomplish. After that, explain where you're stuck and how you got there. Some clue as to how you currently have it setup (with real IP's, names, and config exerts) would be nice. A URL pointing to the printer specifications would make research a bit easier. -- Jeff Liebermann email@example.com 150 Felker St #D Santa Cruz CA 95060 831-421-6491 pager 831-429-1240 fax http://www.cruzio.com/~jeffl/sco/ SCO stuff
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