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  1. #11
    Senior Tech 250+ Posts
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    Re: Kyocera 4501i dark background

    I had this on TA 6501i few weeks ago. Had to replace developer unit to fix it.

  2. #12
    Service Manager 1,000+ Posts
    Kyocera 4501i  dark background


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    Re: Kyocera 4501i dark background

    Good info.

  3. #13
    Junior Member Techgal's Avatar
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    Re: Kyocera 4501i dark background

    Also, you can try a 930, this is Checking/clear MC count. I once has a TA3550ci that I was getting a cyan background. Did a 930 and cleared the problem.

  4. #14
    Technician oldtech1's Avatar
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    Re: Kyocera 4501i dark background

    Saw this one time where Tech had a bent lead in one of the connectors, not sure if it was drum or hv. board

  5. #15
    Service Manager 1,000+ Posts
    Kyocera 4501i  dark background


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    Re: Kyocera 4501i dark background

    Was Dev unit, thanks all

  6. #16
    Senior Tech 100+ Posts kaborwen's Avatar
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    Re: Kyocera 4501i dark background

    Quote Originally Posted by JR2ALTA View Post
    Attachment 38991

    I'm just a part time kyo tech so I hope someone seem this before.

    Looks like drum/ charge issue but no change whatsoever after replacing the dk6306 unit.

    I did vacuum out machine and cleaned contacts. Oem toner, current firmware. Only 230k on the machine

    I'm thinking next step high voltage board, any help appreciated.

    Thanks
    Hi,
    Is your toner an OEM cartridge ?
    If not, you have to replace DV unit.

  7. #17
    Senior Tech 100+ Posts
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    Re: Kyocera 4501i dark background

    Try another developer. I had that before, was a charge corona/drum

    Sent from my SM-G930V using Tapatalk

  8. #18
    Senior Tech 100+ Posts daveh12's Avatar
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    Re: Kyocera 4501i dark background

    when replacing drum kits and dev unit just make sure to run the following U119, U930 to zero, U410, U412 and U464 to ensure a good image. U140 for dev units also.

  9. #19
    Service Manager 1,000+ Posts
    Kyocera 4501i  dark background


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    Re: Kyocera 4501i dark background

    I already posted the results. It was the dev unit. Before we took this customer their last dealer supplied genetic toner.

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