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  1. #1
    Senior Tech 100+ Posts
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    Bizhub 750 toner leaking n too solid

    Hi, does anyone know why this model always toner drop on T/S block and Mylar at drum unit full of toner.

    I had tried to vacuum thoroughly the Mylar n path connect to filter behind machine, drum units etc..

    Run this drum peculiar mode and even adjust max density adj = 19

    But some how max density will change to 39 after exit to normal mode.

    Anyone have other way to solve this problem?

  2. #2
    Service Manager 250+ Posts ineo+6501's Avatar
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    Re: Bizhub 750 toner leaking n too solid

    This is a very well known problem on this model and there are many threads on this subject already.

    If the waste section of the drum unit is full, this is usually a sign that the solenoid which drives the coils has failed, replace it.

    As for the other causes, a simple search on this website will reveal all of the common fixes.

  3. #3
    ALIEN OVERLORD 2,500+ Posts fixthecopier's Avatar
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    Re: Bizhub 750 toner leaking n too solid

    I don't know without my notebook, but their is a solution that has you change 2 dip switch settings that will reduce the amount of toner used. Also make sure your grid voltage is correct, especially if you use aftermarket drums.
    The greatest enemy of knowledge isn't ignorance, it is the illusion of knowledge. Stephen Hawking

  4. #4
    Field Supervisor 500+ Posts
    Bizhub 750 toner leaking n too solid

    ni311's Avatar
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    Re: Bizhub 750 toner leaking n too solid

    This thread might help you:
    Konica 7165/7155 Developer Dumping Solution

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