MX-M503N getting power but no display or scanner bulb activity...

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  • tankumus
    Technician
    • Oct 2008
    • 13

    #1

    [Dead] MX-M503N getting power but no display or scanner bulb activity...

    Working on this machine. I have changed all but the HV board, same result. No scanner bulb, and the scanner acts like it want to move but is locked up. Have removed the glass and the scanner moves freely. There were no power surges or other problems at location. Machine is now in my shop. Any ideas????
    When life gives you lemons, make a nasty face!
  • mojorolla
    The Wolf

    2,500+ Posts
    • Jan 2010
    • 2583

    #2
    Re: MX-M503N getting power but no display or scanner bulb activity...

    Check for a bad DIMM chip.
    Failing to plan is planning to fail!!!

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    • spanky
      Trusted Tech

      250+ Posts
      • Sep 2012
      • 468

      #3
      Re: MX-M503N getting power but no display or scanner bulb activity...

      See attached bulletin
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