Ricoh MPC 5502 SC553

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  • semi
    Trusted Tech

    100+ Posts
    • Sep 2008
    • 193
    #1

    [Electrical] Ricoh MPC 5502 SC553

    Managed to trap a lamp wire whilst changing the sleeve,blew the mains,machine powers up fine,SC553-swopped with good fuser,still the same,what do reckon,new IOB or themoplies?Hv board fuses ok
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    • sturmtrooper
      Copier Combobulator

      500+ Posts
      • May 2016
      • 587
      #2
      Re: Ricoh MPC 5502 SC553

      Originally posted by semi
      Managed to trap a lamp wire whilst changing the sleeve,blew the mains,machine powers up fine,SC553-swopped with good fuser,still the same,what do reckon,new IOB or themoplies?Hv board fuses ok
      Ignore the Italics I was incorrect.

      The thermopiles are part of the fuser, if that was the only problem the fuser swap would have fixed your code.


      Since the codes states it's an overheat error could be your IOB is not telling the fuser to turn off.

      I don't believe the HV board is used in the fusing circuit. Not sure though.
      Last edited by sturmtrooper; 11-04-2016, 03:39 PM.

        Comment

        • ABS tect
          Senior Tech

          500+ Posts
          • Sep 2013
          • 511
          #3
          Re: Ricoh MPC 5502 SC553

          Originally posted by semi
          Managed to trap a lamp wire whilst changing the sleeve,blew the mains,machine powers up fine,SC553-swopped with good fuser,still the same,what do reckon,new IOB or themoplies?Hv board fuses ok
          Did you do an SC reset? SP-5-810? Sometimes you just have to clear the code.

            Comment

            • semi
              Trusted Tech

              100+ Posts
              • Sep 2008
              • 193
              #4
              Re: Ricoh MPC 5502 SC553

              Reset SC code,tried a new fuse as well on the sleeve,get failed result on 5810-2,I've ordered the IOB

                Comment

                • TonerMunkeh
                  Professional Moron

                  2,500+ Posts
                  • Apr 2008
                  • 3865
                  #5
                  Re: Ricoh MPC 5502 SC553

                  Originally posted by sturmtrooper
                  The thermopiles are part of the fuser, if that was the only problem the fuser swap would have fixed your code.

                  Since the codes states it's an overheat error could be your IOB is not telling the fuser to turn off.

                  I don't believe the HV board is used in the fusing circuit. Not sure though.
                  Eh? I thought the thermopiles were on the machine frame?
                  It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.

                  Hit it.

                    Comment

                    • sturmtrooper
                      Copier Combobulator

                      500+ Posts
                      • May 2016
                      • 587
                      #6
                      Re: Ricoh MPC 5502 SC553

                      Originally posted by TonerMunkeh
                      Eh? I thought the thermopiles were on the machine frame?

                      thermopile.pdf

                      I rechecked and you are correct. The first picture I looked at made it appear the thermopiles are attached to the fuser.

                        Comment

                        • TonerMunkeh
                          Professional Moron

                          2,500+ Posts
                          • Apr 2008
                          • 3865
                          #7
                          Re: Ricoh MPC 5502 SC553

                          Having checked the parts catalog I at first assumed the thermopiles were small trumpets that play a fanfare when a fuser code is reset.
                          It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.

                          Hit it.

                            Comment

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