[rescue] OT: LPR & 9100

Mike Meredith mike at blackhairy.demon.co.uk
Tue Sep 14 13:42:40 CDT 2004

On Tue, 14 Sep 2004 08:38:22 -0400, Eric Webb wrote:
> On Tuesday 14 September 2004 03:02 am, Mike Meredith wrote:
> > Who came up with that idea ? Sounds like someone went out of their
> Well, it wasn't MY idea, let me assure you.  Even the SAP consultants

I didn't really think it was.

> > I'd avoid using the JetDirect "protocol" unless you have something
> > that'll do two-way communication and understands PJL. Stick to LPD
> > or IPP (but upgrade the firmware).
> Interesting.  Any facts to back this up?  

Nothing concrete. I just seem to have fewer weird problems when using
LPD or IPP than when using tcp/9100. It's possible that it's due to
having two machines trying to print to the same printer simultaneously
... users will insist on using the warm standby machines.

> Is one slower than the
> other?  

I don't think the speed of the alternatives will make much difference,
or at least won't cause your speed (and other) problems to disappear.

> I'm printing labels to a bunch of Zebras on JetDirects (under
> NT4) and I use LPD on my stuff and have no problems at all  These guys
> are using the 9100 stuff and so far have had nothing but problems.

I'd try setting up one Linux or *BSD box to print to all the printers
and have everything else go through it. 

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