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  1. #1
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    KM C454e Light spots on blue prints

    I have ventured on Konica minolta C280, 454 for at least 7 years, I caught a problem recently.


    Some stains in blue color, the blue developer of the developer is uncovered from the developer, even if full, it replaces the developer unit and in the same place it becomes clear, without developer cover.


    I notice a significant improvement by changing values ​​in "transfer output fine" to a negative value.


    Any suggestion ?


    I discarded the imaging unit because I already made an exchange


    I changed the revamping unit already. And nothing solves.
    Attached Images Attached Images

  2. #2
    Service Manager 10,000+ Posts
    KM C454e Light spots on blue prints

    Phil B.'s Avatar
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    Re: KM C454e Light spots on blue prints

    Quote Originally Posted by andrecopfac View Post
    I have ventured on Konica minolta C280, 454 for at least 7 years, I caught a problem recently.


    Some stains in blue color, the blue developer of the developer is uncovered from the developer, even if full, it replaces the developer unit and in the same place it becomes clear, without developer cover.


    I notice a significant improvement by changing values ​​in "transfer output fine" to a negative value.


    Any suggestion ?


    I discarded the imaging unit because I already made an exchange


    I changed the revamping unit already. And nothing solves.

    are they using crap rd party toner?

    whats the life on service parts?

    is machine clean?

    what is a 'revamping unit'?

  3. #3
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    Re: KM C454e Light spots on blue prints

    [QUOTE = Phil B.; 1732507] eles estão usando uma porcaria de toner de festa?

    qual é a vida em peças de reposição?

    a máquina está limpa?

    o que é uma 'unidade de renovação'? [/ QUOTE]



    I use a Konica Minolta developer package from another model, and I use toner from another Minolta machine, as the price is cheaper.


    I refill toner tubes and developer box with these models of the images.

  4. #4
    Service Manager 10,000+ Posts
    KM C454e Light spots on blue prints

    Phil B.'s Avatar
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    Re: KM C454e Light spots on blue prints

    Quote Originally Posted by andrecopfac View Post
    [QUOTE = Phil B.; 1732507] eles estão usando uma porcaria de toner de festa?

    qual é a vida em peças de reposição?

    a máquina está limpa?

    o que é uma 'unidade de renovação'? [/ QUOTE]



    I use a Konica Minolta developer package from another model, and I use toner from another Minolta machine, as the price is cheaper.


    I refill toner tubes and developer box with these models of the images.
    Are those supplies meant for your box?
    Not all dev and toners are compatible between models.
    If you are refilling with non compatible even within the brand that could be the problem.

    Sent from my SM-G960U using Tapatalk

  5. #5
    Service Manager 2,500+ Posts
    KM C454e Light spots on blue prints

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    Re: KM C454e Light spots on blue prints

    Quote Originally Posted by andrecopfac View Post
    [QUOTE = Phil B.; 1732507] eles estão usando uma porcaria de toner de festa?

    qual é a vida em peças de reposição?

    a máquina está limpa?

    o que é uma 'unidade de renovação'? [/ QUOTE]



    I use a Konica Minolta developer package from another model, and I use toner from another Minolta machine, as the price is cheaper.


    I refill toner tubes and developer box with these models of the images.

    Sounds mighty risky to me. Just saying.....

  6. #6
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    Re: KM C454e Light spots on blue prints

    So you’re using toner and developer for c8000 in a what I take to be either a c280 or c454 ( not clear in your post which model it is).

    I think you need to put a genuine developer unit and toner in the machine and set it up as per the manual.

    Using developer and toner from another model is always going to lead to trouble sooner or later.

  7. #7
    Senior Tech 250+ Posts
    KM C454e Light spots on blue prints

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    Re: KM C454e Light spots on blue prints

    Phil B. Here in Brazil technicians were born that somewhere in their fantastic world, they claim that they can use Konica C8000 developers and toners. They are doing away with printers from all over the country.

    They try to reduce the cost with this method, but do not realize that it ends up increasing because of losses, equipment stopped and maintenance.

    In your case, André, look for developer and genuine toner and then for a transfer belt.


    I will try to get from you that your transfer belt has been replaced by a generic one.


    You can even change the values of the second transfer to negative as well, but it will not have a satisfactory result.


    Are you the printer technician or just the business owner?
    Nothing like day after day

  8. #8
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: KM C454e Light spots on blue prints

    Clean your mag roller. Got some kind of contaminant on it like oil.
    Whatever

  9. #9
    Senior Tech 250+ Posts
    KM C454e Light spots on blue prints

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    Re: KM C454e Light spots on blue prints

    On your C280 I advise supplies for the C8000 because we have already tested it in our laboratory and I can say.
    On your C454 I wouldn't do it again

    TSB knows a little about the crazy things we do in the laboratory. Hahaha.
    Nothing like day after day

  10. #10
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: KM C454e Light spots on blue prints

    Quote Originally Posted by tulintron View Post
    On your C280 I advise supplies for the C8000 because we have already tested it in our laboratory and I can say.
    On your C454 I wouldn't do it again

    TSB knows a little about the crazy things we do in the laboratory. Hahaha.

    Wanted to try that. Can get a bunch of DV613K that is stuck in a suppliers stock, that means cost price or less.
    What was the ill effect you had on the C454?

    End of side track...
    Whatever

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