ARM455N locking up

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  • rh112
    Technician

    50+ Posts
    • Dec 2007
    • 51
    #1

    ARM455N locking up

    Have a 455 that will lock up and keypad wont function power switch will not turn copier off only way to get it to reset is to unplug then can run a few copies (as few a 2 and sometimes up to 20) and will locks up again Even had it lock up while running 22-6 Reset error log no errors or jam code show up
    Was instructed to reformat hard drive this locked machine up also
    Replaced hard drive and same problem can not format new hard drive
    What would be next things to check
    Thanks in advance for any help
    Tags: arm455n, occurred
    • DavePo
      Trusted Tech

      250+ Posts
      • Jul 2008
      • 303
      #2
      How about swapping out the flashroms from another machine. Also try the MFP PWB.

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22870
          #3
          On Sharp products it's common to have accessories cause such problems. I would start out by disconnecting every non-essential accessory, then run it. If your problem vanishes. Power off, reconnect (1) accessory, power up, then re-check operation. Repeat until you problem re-occurs to pin down the offending accessory.

          There have been a few occasions that I've done this, and the lockup never re-occurred. I guess it's just FM.

          =^..^=
          If you'd like a serious answer to your request:
          1) demonstrate that you've read the manual
          2) demonstrate that you made some attempt to fix it.
          3) if you're going to ask about jams include the jam code.
          4) if you're going to ask about an error code include the error code.
          5) You are the person onsite. Only you can make observations.

          blackcat: Master Of The Obvious =^..^=

            Comment

            • rh112
              Technician

              50+ Posts
              • Dec 2007
              • 51
              #4
              Thanks blackcat your solution worked and as you said must be FM

                Comment

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