Sharp AR-M700N NO POWER PLEASE HELP

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  • ayman2004
    • Jan 2025
    #1

    Sharp AR-M700N NO POWER PLEASE HELP

    I have the Sharp AR-M700N , it wouldn't power on , i checked both Power switches ? what else can i do ?
    i think it took a power hit ?
    Tags: ar-m700, arm700n, diagnose, m700, power, power supply, sharp, sharp ar, switched, wholesalers, wrong
    • ZOOTECH
      Senior member of CRS

      Site Contributor
      2,500+ Posts
      • Jul 2007
      • 3381
      #2
      Have you checked the AC power at the outlet, maybe a circuit breaker tripped? Does it have a surge protector installed, that might have blown? Check your fuses on the AC and DC power boards.
      "You can't trust your eyes, if your mind is out of focus" --

        Comment

        • OMD-227
          #3
          Usually a very reliable power supply on this series.
          Zootech is spot on, check the obvious things, then if you want to diagnose further, get the circuit diagram or replace the ac/dc power pwb's.

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22748
              #4
              The only time I've had "no power" on a Dragon, first I tried the power supply, then the Eeproms, then the MFP PWB. The confusing part was that there were no outputs from the power supply even when all the outputs were unplugged and only the 110VAC was connected. Apparently there is a signal from the MFP PWB that enables the power supply operation.

              So in short, I would try the MFP PWB.
              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

                • mtech
                  Technician

                  250+ Posts
                  • Mar 2007
                  • 307
                  #5
                  All Sharp copiers have a signal from the main pwb to the power supply that turns on the power supply just as Blackcat says. I would try unplugging stuff like clutches and solenoids then power up the machine to see if there are shorts. I have never had a short cause a problem in a dragon before, but there is always a first. Good luck!

                    Comment

                    • cmitom
                      Technician
                      • May 2008
                      • 21
                      #6
                      This mjay be way off but...was this copier in a customers office and workin or did you just get this copier in. If you have the wrong P19 in there, it will not fire up. Just a thouht. Have gotten 550's/620's and 700s from other dealers/wholesalers that either switched the P19 with one from a different model or had a bad P19.

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