AR M350N

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  • patwilf
    Service Technician
    • Nov 2009
    • 41
    #1

    AR M350N

    We have a Sharp AR M350N on top of one of the biggest mountains in WV. The machine, mechanically, is fine. We have been having issues with the machine going into logic loops, or rotating starts, before the machine starts to warm up. Sometimes when the customer uplugs it for a while..... it will come back on. We've changed basicly all the boards, checked voltages, brought it back to our shop for 2 1/2 months with no problem.....we've kinda ran outta ideas....ANYBODY SEEN THIS BEFORE??????????

    Patrick
    Tags: m350n, power issue, power supply, sharp ar
    • OMD-227
      #2
      If the machine is working OK in your office, but starts having problems up the mountain (or in any other location for that matter), maybe it is an electrical issue at that location. Very possible for a poor & unstable/fluctuating power supply to do those problems to any machine or electrical device.

      Make sure the machine is correctly earthed, and has latest firmware.
      Check that the TC spring (MSPRP1550FCZZ) is in place. Static buildup on the PS paper guide/roller unit does some weird things.

      If you have access to a power line monitoring device like a 'Dranetz', that will rule out the machine being the problem. I've had a few over the years that I've been able to prove it was an unstable power supply into the building causing their problems, not the copier.

      Hard to say, but if you say the machine was perfect at your place, I think there is no problem with it. The location of the machine seems abit much for me.

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22995
          #3
          Same for me.

          I've rented a Fluke Power Analyzer on these occasions. The resulting reports are the only way to really prove that you have a power issue.

          I have 3 or 4 Copystar MFPs, all in the same building complex that would drop off the network randomly, and just as randomly come back on. The reports showed that mostly at 7:00 am and 4:00 pm a series of sags would hit the machine. Once the power issue was resolved, all is good.

          And they didn't believe me until I handed over the report. The funny thing is that if they could have saved themselves $150.00 by calling the electrician directly.
          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

            • lky1978
              Trusted Tech

              250+ Posts
              • Mar 2009
              • 482
              #4
              wazza right. i got one ar-m351u (us model ar-m355u)with missing the spring that wazza mention,always restart, e7-90, freeze screen, and finally c1-00, and made main pcu dead.

              spend arround usd 250 to change the board

                Comment

                • patwilf
                  Service Technician
                  • Nov 2009
                  • 41
                  #5
                  reply

                  thanks guys.....sounds like we have a different direction to go this time....we'll try it and i'll let ya know if it worked......thanks again

                    Comment

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