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  1. #1
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    C258 noise when scanning

    Hi,

    When i scan i can hear a strange noise coming from the machine. It happens when the lamp is moving around the center. It is difficult to describe so i made a video of itwhen scanning A3.

    I tried to unscrew the glass to check if it was involved in this but it was making the noise even with the glass removed.

    Do you have an idea of what is happening?

    BizHub C258 noise while lamp moving - YouTube

    Thank you guys in advance

  2. #2
    Trusted Tech 50+ Posts
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    Re: C258 noise when scanning

    Kind of hard to hear but I think you're talking about the noise of it sliding
    Each side F/R has a few white plastic pieces that ride against the metal rails, I'd check that they're not missing or worn flat. When we used to refurbish we would also do a thin line of oil along the length of those rails as well

  3. #3
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    Re: C258 noise when scanning

    But in this case should we not hear the sound all the time? Here it is only around the middle...

  4. #4
    Service Manager 500+ Posts femaster's Avatar
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    Re: C258 noise when scanning

    We've also had a few 4e models with this same sort of scraping noise. Sometimes just in a certain area like yours, other times across nearly the entire scan range. We have tried numerous things to determine what exactly is causing the noise.

    We have checked the scanner rails to make sure they weren't bent or warped, made sure that neither carriage was scraping the walls inside the scanner housing, tried lifting and pushing down on the left front corner of the scanner to test for warped scanner assembly, checking the plastic glide pads for wear, etc. Unfortunately we have never been able to determine why some machines sound like that and others don't.

    After testing a number of units that made similar noise, we gave up and just started to smear a thin layer of general purpose grease across all 4 metal rails and it quiets it down pretty well. It's not completely gone, but almost always brings it down to an acceptable level.
    A Ricoh Service Tech for 7 year. A Konica Minolta Service Tech for 7 years. Now, KM service manager.
    My Ricoh knowledge is slowly dwindling away at this point. Many things have been lost to time...

  5. #5
    Service Manager 2,500+ Posts
    C258 noise when scanning

    Hansoon's Avatar
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    Re: C258 noise when scanning

    +1
    Same here with the BH-C-284e. Just clean the both upper and lower rails and apply a VERY thin layer of multi purpose grease on it.

    Hans
    " Sent from my Intel i286 using MS-DOS 2.0 "

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