Ricoh MPC 4502

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  • PinevskiS
    Trusted Tech
    • Jul 2009
    • 283

    #1

    [Error Code] Ricoh MPC 4502

    Hi,
    I have a Ricoh MPC 4502 copier and a screen appears that photoconductor unit is not set correctly (MAGENTA UNIT).
    This problem occur during the operation of photocopiers. We created a new TD sensor replacement, but the problem is not resolved.
    Does anyone have any idea.
    Thanks.
    B.R.
  • Llama God
    Service Manager

    1,000+ Posts
    • Mar 2009
    • 1353

    #2
    Re: Ricoh MPC 4502

    Originally posted by PinevskiS
    Hi,
    I have a Ricoh MPC 4502 copier and a screen appears that photoconductor unit is not set correctly (MAGENTA UNIT).
    This problem occur during the operation of photocopiers. We created a new TD sensor replacement, but the problem is not resolved.
    Does anyone have any idea.
    Thanks.
    B.R.
    If it's not set correctly, is it a magenta PCU or have you modified a black one to go in? The issue is that the machine cannot see it at all. Also, have you plugged in the connector between the dev unit and PCU?

    Comment

    • JustManuals
      Field Supervisor

      5,000+ Posts
      • Jan 2006
      • 9838

      #3
      Re: Ricoh MPC 4502

      This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


      Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


      Paul@justmanuals.com

      Comment

      • PinevskiS
        Trusted Tech
        • Jul 2009
        • 283

        #4
        Re: Ricoh MPC 4502

        Originally posted by Llama God
        If it's not set correctly, is it a magenta PCU or have you modified a black one to go in? The issue is that the machine cannot see it at all. Also, have you plugged in the connector between the dev unit and PCU?
        Hi,
        Magenta Drum is original which came with the machine.
        I checked all these things but no effect. The question is which board is responsible for controlling the TD sensor.
        Thanks.

        Comment

        • Llama God
          Service Manager

          1,000+ Posts
          • Mar 2009
          • 1353

          #5
          Re: Ricoh MPC 4502

          No it isn't, it's nothing to do with the TD sensor if it says that it's not set correctly.

          If you're convinced that it is though, I'd have to assume that you're an engineer of sorts and, as such, you can read a manual. If you don't have one, Paul will be able to help you out.

          Comment

          • Llama God
            Service Manager

            1,000+ Posts
            • Mar 2009
            • 1353

            #6
            Re: Ricoh MPC 4502

            Fine, I'll save you the bother, it's the RTFM board.

            Comment

            • Eric1968
              Service Manager

              1,000+ Posts
              • Jan 2009
              • 2458

              #7
              Re: Ricoh MPC 4502

              I never replaced a TD-sensor in these machines, and as far as I know you can't order a separate TD-sensor. And as Llama God says, this has absolutely nothing to do with the TD-sensor.

              Comment

              • Llama God
                Service Manager

                1,000+ Posts
                • Mar 2009
                • 1353

                #8
                Re: Ricoh MPC 4502

                Originally posted by Eric1968
                I never replaced a TD-sensor in these machines, and as far as I know you can't order a separate TD-sensor. And as Llama God says, this has absolutely nothing to do with the TD-sensor.
                Thanks chap, I was beginning to have my doubts.

                Comment

                • turbojetboy
                  Trusted Tech

                  250+ Posts
                  • Aug 2009
                  • 279

                  #9
                  Re: Ricoh MPC 4502

                  Originally posted by PinevskiS
                  Hi,
                  I have a Ricoh MPC 4502 copier and a screen appears that photoconductor unit is not set correctly (MAGENTA UNIT).
                  This problem occur during the operation of photocopiers. We created a new TD sensor replacement, but the problem is not resolved.
                  Does anyone have any idea.
                  Thanks.
                  B.R.
                  I had exactly this problem recently, low volume mc showing replace photoconductor (MPC4502). I replaced the toner tube and bingo - message gone.

                  I think it may be either a firmware issue or perhaps a problem with the toner tube connectors which look like they are actual contacts now rather than RFID.

                  Try a new toner.

                  Comment

                  • PinevskiS
                    Trusted Tech
                    • Jul 2009
                    • 283

                    #10
                    Re: Ricoh MPC 4502

                    Originally posted by turbojetboy
                    I had exactly this problem recently, low volume mc showing replace photoconductor (MPC4502). I replaced the toner tube and bingo - message gone.

                    I think it may be either a firmware issue or perhaps a problem with the toner tube connectors which look like they are actual contacts now rather than RFID.

                    Try a new toner.
                    I replace the toner magenta ,but no effect, still occurs photoconductor unit is not set correctly (MAGENA DRUM)
                    Thanks.

                    Comment

                    • Llama God
                      Service Manager

                      1,000+ Posts
                      • Mar 2009
                      • 1353

                      #11
                      Re: Ricoh MPC 4502

                      The connector for the PCU on the rear frame of the machine is possibly damaged. I'd try another PCU in it first - swap it with the cyan or yellow to fault find.

                      Comment

                      • Debs1964
                        Service Manager

                        1,000+ Posts
                        • Oct 2010
                        • 1693

                        #12
                        Re: Ricoh MPC 4502

                        Originally posted by Llama God
                        Fine, I'll save you the bother, it's the RTFM board.
                        This just made me laugh out loud
                        There are 10 types of people in this world, those who understand binary maths and those who don't

                        Comment

                        • Llama God
                          Service Manager

                          1,000+ Posts
                          • Mar 2009
                          • 1353

                          #13
                          Re: Ricoh MPC 4502

                          Originally posted by Debs1964
                          This just made me laugh out loud
                          Idiots.

                          I love the fact that your comment got a "like" whereas mine did not. You have fans. Girls have an unfair breast advantage.

                          I love gin.

                          That is all.

                          Comment

                          • Debs1964
                            Service Manager

                            1,000+ Posts
                            • Oct 2010
                            • 1693

                            #14
                            Re: Ricoh MPC 4502

                            Originally posted by Llama God
                            Idiots.

                            I love the fact that your comment got a "like" whereas mine did not. You have fans. Girls have an unfair breast advantage.

                            I love gin.

                            That is all.
                            You have 2 likes for your comment, so stop whining.
                            I love having an unfair breast advantage, and I know how to use it
                            There are 10 types of people in this world, those who understand binary maths and those who don't

                            Comment

                            • Tonerbomb
                              AutoMajical Resolutionist

                              Site Contributor
                              2,500+ Posts
                              • Feb 2005
                              • 2589

                              #15
                              Re: Ricoh MPC 4502

                              Originally posted by Llama God
                              Idiots.

                              I love the fact that your comment got a "like" whereas mine did not. You have fans. Girls have an unfair breast advantage.

                              I love gin.

                              That is all.
                              Personally I enjoy the unfair breast advantage women have, but if your feeling inadequate there are medical ways you can use to even the playing field........
                              Mystic Crystal Revelations

                              Comment

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