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Date:	Mon, 24 Jun 2002 00:22:19 PST7
From:	Peter Skye <pskye@peterskye.com >
Reply-To:	scoug-help@scoug.com
To:	scoug-help@scoug.com
Subject:	SCOUG-Help: Re: electronic printer switches

Content Type: text/plain

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> Peter Skye said:
>
> >my impression is that a unidirectional TCP/IP print server
> >doesn't send printer error messages back to the computer

Steven Levine wrote:
>
> No, they all send status back, per the RFC.

"Internet Printing Protocol", yes?

rfc-editor.org tells me I have to read six RFCs to learn about it.
(sigh)

A search on "print" gave a few more RFCs (Line Printer Daemon Protocol,
Remote Printing, Printer MIB, Media Features For Display Print and Fax,
Mapping Between LPD and IPP Protocols) but I don't think I need those.

> What probably gets lost is the model specific messages
> that a directly connected printer would ship back to
> the driver. To access these, you would need a network
> attached printer and something like MarkVision.

Okay, so the printer's "model specific messages" do not get passed
through the hardware print server back to the computer, yes? The
printer sends a status message which is received by the print server,
and if the print server understands the message it then sends its own
non-model-specific message back to the computer, yes?

MarkVision is a Lexmark product:

http://www.lexmark.com/networking/mvp/index.html

http://www.lexmark.com/US/products/networking/mvp/markvision_servers.html

Doesn't appear to be an OS/2 version.

- Peter

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