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  1. #11
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    Re: Konica Minolta c6500 2421 developer issue

    was able to get it sorted, had to run test mode with yellow on full density for 200 + pages

  2. #12
    Senior Tech 100+ Posts
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    Re: Konica Minolta c6500 2421 developer issue

    While yes it could be the vacuum of the unit, not pulling all the left over toner to the waste bottle, ive notice on these machine the sponge around the edges of the toner supply and vacuum path they all seem to deteriorate quite a bit, might need to replace a few of them check them to see if they are not falling off or has fallen off they need a good seal for the vacuum to work properly.
    youre going to have fun tracing each and every color and seal for the vaccum. good luck. even though its might not be to pricey to get new seals, but finding them might be pain to find. you might get lucky.
    or just swap out developer powder if it fails toner density check.

    but if your developer unit has lots of powder ontop of the top cover then maybe you have to do more maintenance then you have before like every 20k run vacuum it out again.

    good luck

    Keep it clean if you want it to work right!!

  3. #13
    Service Manager 10,000+ Posts
    Konica Minolta c6500 2421 developer issue

    Phil B.'s Avatar
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    Re: Konica Minolta c6500 2421 developer issue

    Quote Originally Posted by JAkelar View Post
    was able to get it sorted, had to run test mode with yellow on full density for 200 + pages
    next time try this:

    block toner to dev unit..*slip paper in between port*
    run sky shots for that color...
    when needs toner UNBLOCK port add toner ..run adjust on TD.. should be good

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