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  1. #1
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    DV Unit losing magnetism

    I've got a MX-7040 that has a line on the mag roller where the developer is no longer sticking. It's happened on several other machines as well. What causes this?


  2. #2
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    Re: DV Unit losing magnetism

    Have you looked to see if you have anything stuck at the dv doctor blade?


  3. #3
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    DV Unit losing magnetism

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    Re: DV Unit losing magnetism

    Quote Originally Posted by WhoDatXLIV View Post
    I've got a MX-7040 that has a line on the mag roller where the developer is no longer sticking. It's happened on several other machines as well. What causes this?
    Is it a rotational void, or front to rear void. If rotational, the previous post has your answer.

    "You can't trust your eyes, if your mind is out of focus" --

  4. #4
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    Re: DV Unit losing magnetism

    IMG_2285.JPG
    It didn't appear that it did. And the 4101 I had this on as well still had it after a pm.


  5. #5
    Senior Tech 250+ Posts harleyrider's Avatar
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    Re: DV Unit losing magnetism

    What Luke said


  6. #6
    Senior Tech 100+ Posts ntbann's Avatar
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    Re: DV Unit losing magnetism

    Your DV doctor blade is built up. If you look on ctn you will find a post by Black Cat where he makes a hook from mylar to get the chunks out.


  7. #7
    Senior Tech 100+ Posts JLSam's Avatar
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    Re: DV Unit losing magnetism

    Quote Originally Posted by WhoDatXLIV View Post
    IMG_2285.JPG
    It didn't appear that it did. And the 4101 I had this on as well still had it after a pm.
    I've seen this, yeah, exactly as Luke said. There is most likely something stuck on the blade. Usually some toner accumulation that has mildly hardened into a little clump and is now stuck there in between the Mag-roller and Blade.

    Solution: ALWAYS vacuum the inside of the DV unit when it's emptied.


  8. #8
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    Re: DV Unit losing magnetism

    If your getting this on several machines, and after a PM, then the developer units are not being clean well enough. I would double check the method that is being used to clean the dv units on the PM's. If not cleaned very well you will get this white line issue from the loosened/harden toner/dv that builds up on the ends, and then will lodge in the dv doctor blade giving you your "DV losing magnetism". Really what you are getting wake created by the build up, and not a lose of magnetism. If you lose magnetism you would have a much bigger problem.


  9. #9
    Senior Tech 100+ Posts JLSam's Avatar
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    Re: DV Unit losing magnetism

    Quote Originally Posted by Luke123 View Post
    If your getting this on several machines, and after a PM, then the developer units are not being clean well enough... If you lose magnetism you would have a much bigger problem.
    Exactly right. DV Unit losing magnetism

    Sent from my ONEPLUS A5000 using Tapatalk


  10. #10
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    Re: DV Unit losing magnetism

    Thanks guys. Found the tool blackcat created and it worked beautifully. Looks like I need to speak with my pm guy now... smh


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