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  1. #1
    Service Manager 1,000+ Posts
    konica minolta 421 c3801

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    konica minolta 421 c3801

    had a quick question for ya'll. I have a machine a ways away with a c3801. the book says it is a low fuser temp. customer says they reset it every day. which is wierd. usually fuser codes stop the machine. do I have athermistor going out? any help would be appreciated. thanks


    brent

  2. #2
    Senior Tech 100+ Posts jrf's Avatar
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    We have changed a thermistor to clear this code on a 421 but the machine will need a trouble reset, could somebody have instructed your customer how to do this ?

  3. #3
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    konica minolta 421 c3801

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    I don't know for sure. my customer told me that they just either turned the machine off and on. or front door? I know it sounds stupid. but they figured it out. it is a ways out. but I will head out and replace or clean thermistors. the darn thing is only 4 months old



    brent

  4. #4
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    konica minolta 421 c3801

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    That doesn't make sense for a fuser code, those can't be reset by a simple on/off or open close front cover, especially front cover! (there aren't any interlocks on it!) Your sure its a 3801 code? (sounds stupid to ask but hey!)

    Regards!
    A.

  5. #5
    Service Manager 1,000+ Posts
    konica minolta 421 c3801

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    Quote Originally Posted by copytechman View Post
    That doesn't make sense for a fuser code, those can't be reset by a simple on/off or open close front cover, especially front cover! (there aren't any interlocks on it!) Your sure its a 3801 code? (sounds stupid to ask but hey!)

    Regards!
    A.
    since I am not there. I am going to ask for sure. that is a good comment. I know how customers get numbers messed up for sure. I sure would hate to go out there on monday and be way prepared for the wrong code. thanks for the advice....

    brent

  6. #6
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    I have had a few machines only a few months old doing the same and the only solution was to change the Thermister kit 50ga-5440. That solved our problems.

  7. #7
    Field Supervisor 500+ Posts
    konica minolta 421 c3801

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    To reset the error codes for this series, you have to shut down the machine from the main power (the switch behind the front door), start the machine with the 'Utility/Counter' pressed, keep the button down until 'trouble reset' button shows on the touch screen, press on it (you should get a small 'ok' beneath the button), turn off and then on.

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