[rescue] OT: LPR & 9100

[Andrew Weiss]

On Sep 14, 2004, at 12:52 AM, Eric Webb wrote:

> Apologize again -- this is off the topic of rescue but wishing to tap 
> into the
> braintrust here.
>
> Can someone explain to me the name of the "protocol" involved in 
> printing to
> port 9100, usually on an HP JetDirect?  I believe this has nothing at 
> all to
> do with LPR.

I think it is raw bit raster.  It's basically whatever you're doing 
shoved down the raw socket.  If that's Postscript for the Postscript on 
a cartridge of a Laserjet III then that's what is sent.  I think it's 
mainly raw PCL otherwise. (a bitstream?)

Andrew
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