Laserjet Problem

By paulbhite ·
We have an HP 8150n that has a solid output on the LCD display ... no information, just solid blocks. No communication to computers either. All 3 lights stay on also. Removing / reseating memory and expansion boards do not help. We are considering replacing the large removable expansion board the memory and expansion cards sit on (not sure about terminology here). Any thoughts?

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Worth a try

by mjd420nova In reply to Laserjet Problem

I've encountered the same problem and was unable to get HP to give me any help. I started by replacing that expansuon card and it solved the problem. This may work for you or it may not. If you can find a supplier that will refund your money if it doesn't solve the problem, go for it. Where I work, we had a number of units that I was able to "borrow" parts from to find the fault.

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