SHARP MX M7570 Noise on fuser

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  • txonsov2
    Technician
    • Aug 2023
    • 18

    SHARP MX M7570 Noise on fuser

    I have a problem with a M7570 machine, it makes a noise when moving the fuser with the FUM motor in simulation and when printing, but it is not constant or always the same noise makes it random especially early in the morning is stronger and then softer, I changed the fuser and checked the gear and are healthy. Thank you very much
  • Massimo
    Technician
    • Feb 2023
    • 17

    #2
    Re: SHARP MX M7570 Noise on fuser

    Hai cambiato anche i teli di pulizia hot roller e pressur roller ?

    Comment

    • JLSam
      Senior Tech

      500+ Posts
      • Jun 2015
      • 602

      #3
      Re: SHARP MX M7570 Noise on fuser

      Originally posted by txonsov2
      I have a problem with a M7570 machine, it makes a noise when moving the fuser with the FUM motor in simulation and when printing, but it is not constant or always the same noise makes it random especially early in the morning is stronger and then softer, I changed the fuser and checked the gear and are healthy. Thank you very much
      Look at this>>> Comments are still valid for the monochrome models.

      I would start with... have you replaced the fuser?

      Comment

      • Hansen88
        Service Manager

        Site Contributor
        1,000+ Posts
        • Dec 2009
        • 1030

        #4
        Re: SHARP MX M7570 Noise on fuser

        Originally posted by txonsov2
        I have a problem with a M7570 machine, it makes a noise when moving the fuser with the FUM motor in simulation and when printing, but it is not constant or always the same noise makes it random especially early in the morning is stronger and then softer, I changed the fuser and checked the gear and are healthy. Thank you very much
        If the machine has sat for any length of time or the fuser that you replaced it with has, the lower fuser roll may be flatspotted and on that machine it makes a lot of noise. Any fusers we have on shelf we un pressurize the rollers to prevent flatspots.

        Comment

        • txonsov2
          Technician
          • Aug 2023
          • 18

          #5
          Re: SHARP MX M7570 Noise on fuser

          Originally posted by JLSam
          Look at this>>> Comments are still valid for the monochrome models.

          I would start with... have you replaced the fuser?

          i replace fuser ,yes!

          Comment

          • txonsov2
            Technician
            • Aug 2023
            • 18

            #6
            Re: SHARP MX M7570 Noise on fuser

            Originally posted by Hansen88
            If the machine has sat for any length of time or the fuser that you replaced it with has, the lower fuser roll may be flatspotted and on that machine it makes a lot of noise. Any fusers we have on shelf we un pressurize the rollers to prevent flatspots.
            The roller is ok the melter had the tension rollers so that it does not exert pressure

            Comment

            • txonsov2
              Technician
              • Aug 2023
              • 18

              #7
              Re: SHARP MX M7570 Noise on fuser

              Originally posted by Massimo
              Hai cambiato anche i teli di pulizia hot roller e pressur roller ?
              i replace de fuser unit complete!

              Comment

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