Mystery solved

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  • kingarthur
    Service Manager

    1,000+ Posts
    • Feb 2008
    • 1330
    #1

    Mystery solved

    DSC_0274.JPG

    I expect others have already discovered this, but just in case, lately when replacing rollers on DF-624 & DF-701, i've discovered a very small magnet attached to the metal shaft, I've never been able to work out where it went, and as they still worked, I didn't worry about it....until today, I had a DF-701 which kept detecting paper in the paper take up/infeed,when there wasn't, i worked out that the paper detect actuator wasn't returning to the home position, on checking the parts list, it showed a magnet attached to the actuator, and once I started to take the RADF feed apart, I found the magnet again attached to the shaft, it actually goes in a small recess in the side of the actuator, as a counterweight....
    Tip for the day; Treat every problem as your dog would.....If you cant eat it or f*ck it....then p*ss on it & walk away...
    Tags: None
    • qbert69
      Service Manager

      1,000+ Posts
      • Mar 2013
      • 1152
      #2
      Re: Mystery solved

      Originally posted by kingarthur
      [ATTACH=CONFIG]33446[/ATTACH]

      I expect others have already discovered this, but just in case, lately when replacing rollers on DF-624 & DF-701, i've discovered a very small magnet attached to the metal shaft, I've never been able to work out where it went, and as they still worked, I didn't worry about it....until today, I had a DF-701 which kept detecting paper in the paper take up/infeed,when there wasn't, i worked out that the paper detect actuator wasn't returning to the home position, on checking the parts list, it showed a magnet attached to the actuator, and once I started to take the RADF feed apart, I found the magnet again attached to the shaft, it actually goes in a small recess in the side of the actuator, as a counterweight....
      Magnet as a counterweight?!....WTF???....what happened to just a simple piece of steel that is not magnetized???....unless of course there is a hall effect sensor in the vicinity, then the magnet would make sense!

      DOH!
      REACH FOR THE STARS!!!
      Konica Minolta Planetariums!
      https://www.konicaminolta.com/planet...gma/index.html

        Comment

        • wseyller
          Service Manager

          1,000+ Posts
          • Sep 2012
          • 1129
          #3
          Re: Mystery solved

          that is interesting, wasn't aware of that. Thanks for the post.

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22999
              #4
              Re: Mystery solved

              Watch out for those paperclips. Maybe the idea is that the magnet will find someplace ferrous to stick to, out of the way of the originals. Leastways, that's how it worked for you. Interesting find! Thanks for sharing. =^..^=
              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

                • Redrichie
                  #5
                  Re: Mystery solved

                  I have to take one apart today and see this. I sometimes wonder what think tank devised certain parts. Lol

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