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  1. #1
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    km 4035 machine eror

    hi greeting to all


    km 4035 came eror code c6420.already check fuse and termistor .everything is ok.
    how to repair the main controller pcb.pls anyone give infomation.

    thanks

  2. #2
    Field Supervisor 500+ Posts aabarnes1's Avatar
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    Re: km 4035 machine eror

    Quote Originally Posted by eurokris View Post
    hi greeting to all


    km 4035 came eror code c6420.already check fuse and termistor .everything is ok.
    how to repair the main controller pcb.pls anyone give infomation.

    thanks
    Reset fuser error in simulation mode
    Grant me the serenity to accept the things I cannot change.

  3. #3
    Senior Tech 100+ Posts
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    Re: km 4035 machine eror

    already try reset u163 and u906.but same.

    thanks

  4. #4
    Master Of The Obvious 10,000+ Posts
    km 4035 machine eror

    blackcat4866's Avatar
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    Re: km 4035 machine eror

    Quote Originally Posted by aabarnes1 View Post
    Reset fuser error in simulation mode
    Fuser Unit Fuse Cut Problem. The fixing temperature remains at 0C/32F for 30 sec continuously when the fixing heater is On. 1) Read resistance across thermistors. If infinite resistance replace thermistor, 2) Check YC10 @ main PWB, 3) Pinout harnass.

    It's either the thermistors, the harness, or the main PWB. Those are the choices, in that order. Have you done a U163 fuser error reset?

    You won't find many techs nowadays that will attempt board level repairs. The components have gotten so small that you can hardly see the damn things, let alone handle them with any degree of confidence. If it comes down to the main PCB, replace it. =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=

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