Originally Posted by
Jeffjazzy
Greetings. I recently replaced the controller board on an mpc4502 to correct an SC816 issue. That did resolve the 816 issue but a few hours later the customer started complaining they could no longer print to the copier. Sure enough it lost connection. Thinking I had a defective controller bd I replaced it again and updated the firmware. Same result. Tech support recommended I replace the NVRAM but I'm not to confident thats the solution either. It'll work fine for a while then it drops out again. You turn it off then on and it's fine. I did do a memory clear for the printer and image holding and it seemed to work for a wjile longer and then it was gone again. Anyone have any ideas or seen this? It was fine before I replaced the Vontroller board.
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