Bizhub 4050i Making a loud noise

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  • JasonSBE
    Trusted Tech

    Site Contributor
    100+ Posts
    • Apr 2014
    • 183
    #1

    Bizhub 4050i Making a loud noise

    Well this is a strange one for me. The noise is coming from the fusing area. I replaced the fusing unit and the drive assembly. Still making the noise. I saw that the exit assembly is also driven by the fusing drive, but the noise is happening even when the exit drive is not engaged. Was thinking the next step would be to change the exit but I'm having doubts because the noise is happening regardless of whether or not the exit is engaged.


    Anyone ever have something like this come up on these machines before? I have a terrible track record with these style machines.
    Tags: drive, exit, fusing, noise
    • rrrohan
      Service Manager

      Site Contributor
      1,000+ Posts
      • Sep 2011
      • 1977
      #2
      Re: Bizhub 4050i Making a loud noise

      Originally posted by JasonSBE
      Well this is a strange one for me. The noise is coming from the fusing area. I replaced the fusing unit and the drive assembly. Still making the noise. I saw that the exit assembly is also driven by the fusing drive, but the noise is happening even when the exit drive is not engaged. Was thinking the next step would be to change the exit but I'm having doubts because the noise is happening regardless of whether or not the exit is engaged.


      Anyone ever have something like this come up on these machines before? I have a terrible track record with these style machines.
      id consider the ITBU. i had a customer complain about a noise that never occured when a tech would visit so i gave in and replaced the ITBU. havent heard a complaint since

        Comment

        • JasonSBE
          Trusted Tech

          Site Contributor
          100+ Posts
          • Apr 2014
          • 183
          #3
          Re: Bizhub 4050i Making a loud noise

          Originally posted by rrrohan
          id consider the ITBU. i had a customer complain about a noise that never occured when a tech would visit so i gave in and replaced the ITBU. havent heard a complaint since
          Thank you for the suggestion, but it's not coming from the transfer belt it is definitely coming from the fuser drive. I verified this both by operating the machine with the panels off so I could watch through the crack in the back of the machine as well as jimmying the door and running tests in service mode

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22930
              #4
              Re: Bizhub 4050i Making a loud noise

              Bizhub 4750i with noisy exit area - Copytechnet.com
              https://www.copytechnet.com/forums/konica-minolta/165216-bizhub-4750i-noisy-exit-area.html#post2135896


              Grease will help. See above: =^..^=
              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

                • JasonSBE
                  Trusted Tech

                  Site Contributor
                  100+ Posts
                  • Apr 2014
                  • 183
                  #5
                  Re: Bizhub 4050i Making a loud noise

                  Originally posted by blackcat4866
                  https://www.copytechnet.com/forums/k...ml#post2135896

                  Grease will help. See above: =^..^=

                  Thank you for this, I have one question. Will this cause noise to happen when the fusing unit is rotating but the exit is not engaged?

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22930
                      #6
                      Re: Bizhub 4050i Making a loud noise

                      IIRC exit unit and fuser run off the same motor ... both running at the same time regardless. =^..^=
                      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

                        • JasonSBE
                          Trusted Tech

                          Site Contributor
                          100+ Posts
                          • Apr 2014
                          • 183
                          #7
                          Re: Bizhub 4050i Making a loud noise

                          Originally posted by blackcat4866
                          IIRC exit unit and fuser run off the same motor ... both running at the same time regardless. =^..^=
                          The fusing drive has 1 motor, 1 solenoid, and two clutches. The solenoid operates the gate for duplex, and the two clutches engage for the exit and the duplex

                            Comment

                            • mascan42
                              Trusted Tech

                              250+ Posts
                              • Oct 2008
                              • 480
                              #8
                              Re: Bizhub 4050i Making a loud noise

                              This may help. Removing the exit unit can be a bit tricky.

                              C3350i exit unit removal.pdf

                                Comment

                                • JasonSBE
                                  Trusted Tech

                                  Site Contributor
                                  100+ Posts
                                  • Apr 2014
                                  • 183
                                  #9
                                  Re: Bizhub 4050i Making a loud noise

                                  As usual, you guys came through. I greased the points mentioned and the machine is sounding normal again. Thanks for all the input.

                                    Comment

                                    • blackcat4866
                                      Master Of The Obvious

                                      Site Contributor
                                      10,000+ Posts
                                      • Jul 2007
                                      • 22930
                                      #10
                                      Re: Bizhub 4050i Making a loud noise

                                      Originally posted by JasonSBE
                                      As usual, you guys came through. I greased the points mentioned and the machine is sounding normal again. Thanks for all the input.
                                      Congratilations on your success! Thanks for posting back. =^..^=
                                      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

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