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  1. #11
    Trusted Tech 50+ Posts Prints Charming's Avatar
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    Aug 2019
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    In the crawlspace
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    59
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    Re: MX6070N blk pulling developer

    Black Discharge Lamp Scattering Prevention Sheet is most likely damaged or not installed correctly.

  2. #12
    Service Manager 1,000+ Posts bilyahn's Avatar
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    Dec 2006
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    Quincy, CA
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    Re: MX6070N blk pulling developer

    Thank you everyone for your responses. I am going back today with a lot of things to check! LOL Will let you know what I find

    Have a great day

    Bil

  3. #13
    Service Manager 1,000+ Posts bilyahn's Avatar
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    Re: MX6070N blk pulling developer

    So everything looked good yesterday when I went back and there was no buildup on the drum as I showed earlier. All I did earlier in the week was a good cleaning of the rear of the unit and made sure the blanking lamp was clean. Did not see anything to protect the lamp from toner dusting. I will have to look for the modification and get that installed.

    Have a great day

    Bil

  4. #14
    Technician
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    Aug 2017
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    Johannesburg,Gauteng
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    Re: MX6070N blk pulling developer

    Hi there what i have seen on these Cr4 colour machines is that the filter on the front right hand side of the under the side door gets cloged causing the toner to puff out of the dev boxes causing a toner buildup on the drum as well vacum this filter and remove and vacum the dv box filters as well that should stop the toner puffing.


    Sent from my SM-A715F using Tapatalk

  5. #15
    Senior Tech 100+ Posts
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    Jan 2012
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    Re: MX6070N blk pulling developer

    I had this happen on multiple colors on this model

    turns out it was the tube unit from the toner to the dv (apparently from what our local sharp DM says) they have a milar inside that causes condensation and can cause the dv to clump thus making it pull extra developer.

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