Ok.... I know what I am about to tell you might seem weird... but.. hear me out...

I had a problem once.. where I had a laser printer connected to my network via a Jet Direct card that was Internal to the printer. In other words... my ethernet cable was plugged directly into an internal JetDirect card.

It seems that on occasions.. passing printer commands through the interface script would have no effect on the printer. The font wouldn't change, nor would the paper trays switch..etc..

I contacted HP and I was told by HP.. that I needed to pass those commands via the parallel port. I purchased an external print server and located it near my printer. Configured my print server and installed the parallel cable between my print server and my printers parallel port.. It worked like a charm.

I could NEVER get HP to tell me why this would only work this way. I can't say that it will solve your problem, but you might want to give it a shot.

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