e-studio 2550c churps like a bird

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  • bruce 49dcs
    Trusted Tech

    100+ Posts
    • Jan 2017
    • 140
    #1

    e-studio 2550c churps like a bird

    normally i wouldnt ask this but i was an air force crew chief on 1 and 2 engine jets and lost a lot of hearing evryone in the office can hear the churp but me
    i lubed all the exit rollers and shaft bushings i replaced the whole fuser i lubed everything that moves
    they say the noise is coming from the exit area
    what i can tell you is if i open the duplex door and close it the machine runs for 2 seconds not moving any exit parts and the noise is present so im thinking maybe the transfer belt what say you my friends
    signed
    bruce the deaf copier tech ha ha
    Tags: door, exit, lubed, noise
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22702
      #2
      Re: e-studio 2550c churps like a bird

      I know where you're coming from. In high school I worked in a stamping plant, stamping out metal parts. I lost most of my upper range hearing by 1981.

      Like you, I rely on others to tell me if I found the squeak.

      On eS2550C, the most common source of squeaks is:
      Exit section idler roller shafts and exit shaft bushings. I use Triflow here.
      White duplex idlers (roller with shaft molded to it, use grease like Mobilgrease28).
      Secondary transfer roller contacts (at the ends of the roller check for rust, use conductive grease).
      Developer bearings.
      Bridge unit bushings (Triflow).
      Its rare, but I've heard a theremin-like sound from the primary transfer belt assembly. Cleaning the facing rollers with an orange-oil based solvent usually quiets it down.

      I'll take a look into the database later. =^..^=
      Last edited by blackcat4866; 05-08-2021, 02:05 AM.
      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

        • SalesServiceGuy
          Field Supervisor

          Site Contributor
          5,000+ Posts
          • Dec 2009
          • 7874
          #3
          Re: e-studio 2550c churps like a bird

          Originally posted by blackcat4866
          I know where you're coming from. In high school I worked in a stamping plant, stamping out metal parts. I lost most of my upper range hearing by 1981.

          Like you, I rely on others to tell me if I found the squeak.

          On eS2550C, the most common source of squeaks is:
          Exit section idler roller shafts and exit shaft bushings. I use Triflow here.
          White duplex idlers (roller with shaft molded to it, use grease like Mobilgrease28).
          Secondary transfer roller contacts (at the ends of the roller check for rust, use conductive grease).
          Developer bearings.
          Bridge unit bushings (Triflow).
          Its rare, but I've heard a theramin-like sound from the primary transfer belt assembly. Cleaning the facing rollers with an orange-oil based solvent usually quiets it down.

          I'll take a look into the database later. =^..^=

            Comment

            • bruce 49dcs
              Trusted Tech

              100+ Posts
              • Jan 2017
              • 140
              #4
              Re: e-studio 2550c churps like a bird

              thanks guys

                Comment

                • bruce 49dcs
                  Trusted Tech

                  100+ Posts
                  • Jan 2017
                  • 140
                  #5
                  Re: e-studio 2550c churps like a bird

                  turned out to be the TBU all is well thank you for your help

                    Comment

                    • Rusty.Harris
                      Senior Tech

                      Site Contributor
                      500+ Posts
                      • Jan 2021
                      • 569
                      #6
                      Re: e-studio 2550c churps like a bird

                      Here's where I've seen a lot of noises that I can't find anywhere else


                      Capture.JPG

                        Comment

                        • barber782
                          Trusted Tech

                          250+ Posts
                          • Aug 2011
                          • 271
                          #7
                          Re: e-studio 2550c churps like a bird

                          On a few occasions Iv had speaking caused by the white rollers on the exit and the fuser assembly with the bronze leaf springs. just add a bit of thermal grease on the spring and the noise went away.
                          also the bushings on the exit assembly frequently get crap in them which needs cleaning and lubricating.

                            Comment

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