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Re: HOW2 mobile, headless-rPi connect to LAN-printer?

From Dan Purgert <dan@djph.net>
Newsgroups comp.sys.raspberry-pi, comp.os.linux.misc, alt.os.linux.debian
Subject Re: HOW2 mobile, headless-rPi connect to LAN-printer?
Date 2015-03-25 23:55 +0000
Organization A noiseless patient Spider
Message-ID <mevhsv$vug$1@dont-email.me> (permalink)
References <met94d$d6u$1@dont-email.me> <eud5ha98gfp5kpofpgtiuuji1p7lope8d6@4ax.com> <20150325180540.5fe7b534@jresid.jretrading.com>

Cross-posted to 3 groups.

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On Wed, 25 Mar 2015 18:05:40 +0000, Joe wrote:

> [snip...]
>
> The last one I was involved with was a Ricoh device, that used TCP/9100
> for 'raw' data, whatever that was. But it could be configured for
> several ports and protocols, including lpr and IPX.

TCP 9100 is the ephemeral port listener, generally associated with HP 
JetDirect cards (or equivalent).

IIRC it's assuming data is coming across as formatted PCL or PJL (or 
whatever the "raw data" type the printer is expecting)[1].  Depends on 
what the printer is trying to emulate; though PCL is more common on 
regular printers -- big copiers / printers that include automated 
stapling / hole punching will likely be PJL wrapped though.

In addition to the JetDirect interface, they usually have LPD/IPP queues 
as you mentioned (name dependent on mfg and model, most seem to have a 
"PASSTHRU" and "RAW" [or "raw"], as well as several set for either 
PostScript or other specific printing languages).


[1] -- Assuming I'm recalling it correctly, this is from "Network 
Printing" book published by O'Reilly.

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Re: HOW2 mobile, headless-rPi connect to LAN-printer? noSpam@gmail.com - 2015-03-25 03:13 +0000
  Re: HOW2 mobile, headless-rPi connect to LAN-printer? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-03-25 09:34 -0400
    Re: HOW2 mobile, headless-rPi connect to LAN-printer? Joe <joe@jretrading.com> - 2015-03-25 18:05 +0000
      Re: HOW2 mobile, headless-rPi connect to LAN-printer? Jerry Peters <jerry@example.invalid> - 2015-03-25 21:04 +0000
        Re: HOW2 mobile, headless-rPi connect to LAN-printer? Unknown <dog@gmail.com> - 2015-03-29 22:04 +0000
          Re: HOW2 mobile, headless-rPi connect to LAN-printer? The Natural Philosopher <tnp@invalid.invalid> - 2015-03-30 08:35 +0100
          Re: HOW2 mobile, headless-rPi connect to LAN-printer? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-03-30 09:06 -0400
      Re: HOW2 mobile, headless-rPi connect to LAN-printer? Dan Purgert <dan@djph.net> - 2015-03-25 23:55 +0000
        Re: HOW2 mobile, headless-rPi connect to LAN-printer? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-03-26 09:22 -0400
          Re: HOW2 mobile, headless-rPi connect to LAN-printer? Dan Purgert <dan@djph.net> - 2015-03-26 13:30 +0000
            Re: HOW2 mobile, headless-rPi connect to LAN-printer? The Natural Philosopher <tnp@invalid.invalid> - 2015-03-26 14:03 +0000
              Re: HOW2 mobile, headless-rPi connect to LAN-printer? Ahem A Rivet's Shot <steveo@eircom.net> - 2015-03-26 15:08 +0000
                Re: HOW2 mobile, headless-rPi connect to LAN-printer? Unknown <dog@gmail.com> - 2015-03-28 08:45 +0000
                Re: HOW2 mobile, headless-rPi connect to LAN-printer? mm0fmf <none@mailinator.com> - 2015-03-28 09:32 +0000
              Re: HOW2 mobile, headless-rPi connect to LAN-printer? Unknown <dog@gmail.com> - 2015-03-28 09:21 +0000
                Re: HOW2 mobile, headless-rPi connect to LAN-printer? Joe <joe@jretrading.com> - 2015-03-28 10:09 +0000
                Re: HOW2 mobile, headless-rPi connect to LAN-printer? Unknown <dog@gmail.com> - 2015-03-30 04:46 +0000
                Re: HOW2 mobile, headless-rPi connect to LAN-printer? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-03-30 09:13 -0400
                Re: HOW2 mobile, headless-rPi connect to LAN-printer? druck <news@druck.org.uk> - 2015-03-30 20:53 +0100
                Re: HOW2 mobile, headless-rPi connect to LAN-printer? druck <news@druck.org.uk> - 2015-03-28 22:52 +0000
  Re: HOW2 mobile, headless-rPi connect to LAN-printer? alister <alister.nospam.ware@ntlworld.com> - 2015-03-25 19:59 +0000
  Re: HOW2 mobile, headless-rPi connect to LAN-printer? John Davis <wa8yxm@arrl.invalid.net> - 2015-03-25 19:39 -0400

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