I have an issue with a Magenta Drum that intermittently comes up with the message Drum Unit Installation Error. I have replaced the Drum with a new drum and it worked for about a day or two than came back. I reseated the drum and it worked for a little while but came back so we moved the copier into another room to a different outlet and it worked for 2 months now it's back. I have tried a new PRCB and that did not fix the issue after looking at the wiring diagram I am going to replace the Front side relay board next. I was hoping that someone else might have had this issue before and if so what did you do to fix the issue. I have also updated the firmware to the latest available firmware any help is appreciated and thanks for your time.
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