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  1. #1
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    error code c7402

    Hello everyone I have a problem with on a kyocera M6026cdn, using a compatible toner toner, after a few copies, he started begging to make strips and abut toner, when i opened the development group and i noticed they were cracking Of crystallized toners and then I emptied the development team, I put it back, I installed an original toner but when I start the multifunction I get the C7402 error. Any one of you can help me?
    Thank you in advance


  2. #2
    Service Manager 1,000+ Posts tmaged's Avatar
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    Re: error code c7402

    Never use compatible toner in a color machine. I'd guess you'll need new DV units & some OEM toner.

    Hope that helps !
    -Tony


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  3. #3
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    error code c7402

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    Re: error code c7402

    agree with Tmaged


  4. #4
    Trusted Tech 50+ Posts George J's Avatar
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    Re: error code c7402

    What do you mean by 'emptied the development team'. At minimum your cyan developer is wrecked...


  5. #5
    Trusted Tech 50+ Posts
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    Re: error code c7402

    "C7402 Developer C Type Mismatch Error",
    Ill guess that some sort of damage occured to an electrical connector for the Cyan DV, or maybe the prom on the DV got zapped by static.


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