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Thread: fs 6525

  1. #1
    Trusted Tech 50+ Posts Raymann's Avatar
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    fs 6525

    light streaks on doctor blade. I have cleaned doctor blade but keeps conming back. Can I get this apart and purge it or should I just replace the unit? thanks Ray

  2. #2
    Service Manager 1,000+ Posts
    fs 6525

    Phil B.'s Avatar
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    Re: fs 6525

    Quote Originally Posted by Raymann View Post
    light streaks on doctor blade. I have cleaned doctor blade but keeps conming back. Can I get this apart and purge it or should I just replace the unit? thanks Ray
    you have clumped toner in the dev unit... not sure if those are rebuildable or just replace.

    tell customer they have to shake the new toner before replacing it.

  3. #3
    Master Of The Obvious 10,000+ Posts
    fs 6525

    blackcat4866's Avatar
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    Re: fs 6525

    I suppose that's going to depend on how many of these obstructions you have and how large they are. I had a Toshiba Loire X the other day with developer rocks up to 3.5mm. But the problem was not the 3.5mm rocks, it was the 1.5mm rocks that would wedge into the doctor blade, occasionally slowing or stalling the developer drive, and creating jitter crossfeed.

    When it's just one or two clumps I'll try to fish them out with the patented heavy mylar hook. Simply slip it in under the doctor blade and drag across the affected area, then rotate the developer drive while pulling out the hook. The rock comes with, and you can usually remove it. It requires no disassembly.

    I doubt that you'd be successful with disassembly anyway. Every effort at disassembling Kyocera developing units has resulted in a pile of unreassembleable parts. In each case I've had to replace the unit.

    Back to the Loire X, these rocks were extremely destructive. The mag roller was badly scored, and will probably have to be replaced eventually. I was in one of those persistent moods and had sorted through most of the developer, gathering nearly a teaspoonful of these rocks. I'm still at a loss as to how they got there. Even then when I poured it back in there were still (5) light areas, at which point I gave up and changed out the developer. I was still finding rocks after a very thorough vacuuming.

    Maybe a bad batch of developer? Maybe it got overheated in somebody's car and there were composite rocks of toner and developer fused together? Or maybe it was the supplemental developer in the toner, but I don't think the last one. It has not re-occurred, and it would have. And it's definitely ferrite (or has ferrite) since I could use a magnet to make the particles stand on end for examination purposes. =^..^=

    Mylar Doctor Blade Cleaner.JPG

    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.

    blackcat: Master Of The Obvious =^..^=

  4. #4
    Trusted Tech 50+ Posts
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    astoria or
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    Re: fs 6525

    Replace developer unit and hope they are not using generic toner, which will cause that same issue.

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