ECOSYS M2040dn - knocking noise

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  • kuby
    Senior Tech

    1,000+ Posts
    • Oct 2007
    • 1373
    #1

    ECOSYS M2040dn - knocking noise

    Have a M2040dn making a knocking noise coming from the toner/developer/drum section I think. Any one run into this before? Do not know if it is the paper feed which I don't think it is or a bad developer unit or drum unit. Both turn fairly easy.

    Thanks
    Tags: knocking, m2040dn, noise, paper, unit
    • craigster
      Trusted Tech

      100+ Posts
      • Apr 2016
      • 201
      #2
      Re: ECOSYS M2040dn - knocking noise

      I had one of those making a knocking noise and it turned out to be a fuser which they changed to correct it and also jamming once in a while

        Comment

        • kuby
          Senior Tech

          1,000+ Posts
          • Oct 2007
          • 1373
          #3
          Re: ECOSYS M2040dn - knocking noise

          Thanks will look at that tomorrow. Not jamming just a popping noise.

            Comment

            • JR2ALTA
              Service Manager

              Site Contributor
              1,000+ Posts
              • Feb 2010
              • 2028
              #4
              Re: ECOSYS M2040dn - knocking noise

              It's the fuser. The noise echoes throughout the machine. I thought it was paper lift, then drum/dev. First time I saw it I turned the fuser by hand and it seeemed fine and after re-installing it went away for a couple months. Came back and I changed the fuser. Have seen this issue a couple more times since then on other machines.

              Like the above post says the fuser has a couple bulletins...will also cause non-stop 42xx jams.

                Comment

                • kuby
                  Senior Tech

                  1,000+ Posts
                  • Oct 2007
                  • 1373
                  #5
                  Re: ECOSYS M2040dn - knocking noise

                  Thanks for the help. What I did was remove the fuser drive assy and took the cover off and two gears and there is a tension spring under them. I stretched the spring and put it back together and installed the fuser drive and fuser and tested. No popping. Figured it was worth a shot. So I guessing the spring tension had weakened and let the gears slip a bit.

                    Comment

                    • Calliem
                      Technician
                      • Jul 2015
                      • 14
                      #6
                      Re: ECOSYS M2040dn - knocking noise

                      Originally posted by kuby
                      Have a M2040dn making a knocking noise coming from the toner/developer/drum section I think. Any one run into this before? Do not know if it is the paper feed which I don't think it is or a bad developer unit or drum unit. Both turn fairly easy.

                      Thanks
                      replace toner cartridge,might help have had a couple of those where it sounds like machine is stripping every gear it has but was only toner cartridge problem

                        Comment

                        • kuby
                          Senior Tech

                          1,000+ Posts
                          • Oct 2007
                          • 1373
                          #7
                          Re: ECOSYS M2040dn - knocking noise

                          first Thing I tried was replacing toner cartridge.

                            Comment

                            • KYO_OEM
                              Senior Tech

                              500+ Posts
                              • Aug 2011
                              • 684
                              #8
                              Re: ECOSYS M2040dn - knocking noise

                              very often broken gears in fuser drive
                              Libra Noise.JPG

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