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  1. #1
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    Bizhub C258 high pitch whine when copying/printing

    Bizhub C258 high pitch whine when copying/printing done 425k, changed k drum, checked M1 motor & wd40 on bearing, checked transfer belt, 2nd transfer roller and paper feed, checked K dev unit. I have a recording of it but wrong extension to upload here, can email it.

    Thanks.

  2. #2
    Senior Tech 100+ Posts progoffice's Avatar
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    Re: Bizhub C258 high pitch whine when copying/printing

    I had something like this on a C284e and for me it ended up being the black DV unit. I was able to do a load check with covers open and pinpointed the noise there. It was not what I was expecting, but I think you're on the right track. You can take the drums out and force the main motor to drive with the front door open and the actuator pushed in so it thinks it's closed. Then you can push on things and see if the noise changes.

  3. #3
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    Bizhub C258 high pitch whine when copying/printing


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    Re: Bizhub C258 high pitch whine when copying/printing

    Quote Originally Posted by Scarekrow View Post
    Bizhub C258 high pitch whine when copying/printing done 425k, changed k drum, checked M1 motor & wd40 on bearing, checked transfer belt, 2nd transfer roller and paper feed, checked K dev unit. I have a recording of it but wrong extension to upload here, can email it.

    Thanks.
    Does it have the FS-543 finisher? The RU-513 relay units have a known issue with squealing noise. Believe there is a bulletin on it. Not your issue if no finisher

  4. #4
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    Re: Bizhub C258 high pitch whine when copying/printing

    Quote Originally Posted by progoffice View Post
    I had something like this on a C284e and for me it ended up being the black DV unit. I was able to do a load check with covers open and pinpointed the noise there. It was not what I was expecting, but I think you're on the right track. You can take the drums out and force the main motor to drive with the front door open and the actuator pushed in so it thinks it's closed. Then you can push on things and see if the noise changes.
    It does sound electrical, I may try swapping it out, thanks.

  5. #5
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    Re: Bizhub C258 high pitch whine when copying/printing

    Quote Originally Posted by copyman View Post
    Does it have the FS-543 finisher? The RU-513 relay units have a known issue with squealing noise. Believe there is a bulletin on it. Not your issue if no finisher
    No finisher, just top feeder and 4 paper draws.

  6. #6
    Senior Tech 100+ Posts progoffice's Avatar
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    Re: Bizhub C258 high pitch whine when copying/printing

    Quote Originally Posted by Scarekrow View Post
    It does sound electrical, I may try swapping it out, thanks.
    What I mean by load check is the option in the service mode/state confirmation. This is where you can turn motors on individually for testing purposes - not really referring to an electrical load check. Didn't mean to point you in the wrong direction.

  7. #7
    Service Manager 2,500+ Posts tsbservice's Avatar
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    Re: Bizhub C258 high pitch whine when copying/printing

    I'm guessing without hearing noise but electrical noise pitch may also comes from power supply.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

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  8. #8
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    Re: Bizhub C258 high pitch whine when copying/printing

    Quote Originally Posted by progoffice View Post
    What I mean by load check is the option in the service mode/state confirmation. This is where you can turn motors on individually for testing purposes - not really referring to an electrical load check. Didn't mean to point you in the wrong direction.
    Ah I see, I did look in state confirm and looked for that but only saw senor check then got side tracked, will check that.

  9. #9
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    Re: Bizhub C258 high pitch whine when copying/printing

    Quote Originally Posted by tsbservice View Post
    I'm guessing without hearing noise but electrical noise pitch may also comes from power supply.
    Good idea.

  10. #10
    Trusted Tech 50+ Posts drowranger's Avatar
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    Re: Bizhub C258 high pitch whine when copying/printing

    what about rego roller bearings and transfer roller holder gears/bearing ..

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