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  1. #1
    Field Supervisor 500+ Posts
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    Jun 2010
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    m281 laser cleaning

    Hello, my m281is printing very light all colors. All supplies are at 90% and the image on the transfer belt is very weak. I removed the toner tray and tried cleaning the laser glass through the exposure slits and tested the same. The unit is very dirty and the machine is left on all the time. I cannot find any documentation on the removal of the laser unit to clean or replace. almost thinking the the machine could be trash. I guess I could run high compressed air not the can stuff, didn't work! Drums and developers are driving.

  2. #2
    Master Of The Obvious 10,000+ Posts
    m281 laser cleaning

    blackcat4866's Avatar
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    Jul 2007
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    Lapeer, Michigan
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    Re: m281 laser cleaning

    Don't use an air compressor, unless you remove everything on the chassis. With compressed air you can force dust into areas that ordinarily would never get dirty.

    I am not familiar with this specific model, but I have cleaned a lot of lasers, and there must be a way to do a proper optics cleaning. =^..^=
    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 =^..^=

  3. #3
    Service Manager 10,000+ Posts
    m281 laser cleaning

    Phil B.'s Avatar
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    Jul 2016
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    Raleigh NC
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    Re: m281 laser cleaning

    Quote Originally Posted by blackcat4866 View Post
    Don't use an air compressor, unless you remove everything on the chassis. With compressed air you can force dust into areas that ordinarily would never get dirty.

    I am not familiar with this specific model, but I have cleaned a lot of lasers, and there must be a way to do a proper optics cleaning. =^..^=
    + 5 on the no canned air without removing all major parts.
    If you're going to go that deep vac the mother out first.
    Then clean every rubber tire/roller in it.

    Sent from my SM-G960U using Tapatalk

  4. #4
    Sr. Service Tech 50+ Posts Murv's Avatar
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    Mar 2021
    Location
    High Ridge, Missouri
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    95
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    9

    Re: m281 laser cleaning

    Pull the laser and clean the bejeebus out of the mirrors. We've seen this repeatedly. For some reason the 281's suck everything they can into the laser and coat the mirrors. Part isn't spared, so you have to pull it and clean it.

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