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  1. #1
    Senior Tech 250+ Posts
    MFC-9330 constant rear jams


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    MFC-9330 constant rear jams

    Hello everywon

    was called out because the machine was overheating (going into cool-down recovery mode) & jamming, it has done 1778 prints

    i updated the firmware, removed the fuser unit, checked it (perfect condition) and cleaned the fuser exit sensor & resoldered the exit sensor board

    the machine recognises when the back is open, so the sensor is working, but when i print/copy the page gets to the fuser exit sensor and calls a jam instantly the paper moves the flag (90% of the time it jams), image registration is perfect whether or not it calls a jam, so i know the sensor is working and the paper is not delayed


    this jamming occurred both before and after firmware update

    anyone seen this problem before? where do i go from here? a new exit sensor board?

    any assistance would be very much appreciated

  2. #2
    Senior Tech 100+ Posts aktasson's Avatar
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    Re: MFC-9330 constant rear jams

    There is a maintenance program for sensor checking. Already tried? I would reset the machine first in maintenance mode with 01. And try out for testing the paper from bypass tray.

  3. #3
    Service Manager 10,000+ Posts
    MFC-9330 constant rear jams

    Phil B.'s Avatar
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    Re: MFC-9330 constant rear jams

    Quote Originally Posted by aAandy View Post
    Hello everywon

    was called out because the machine was overheating (going into cool-down recovery mode) & jamming, it has done 1778 prints

    i updated the firmware, removed the fuser unit, checked it (perfect condition) and cleaned the fuser exit sensor & resoldered the exit sensor board

    the machine recognises when the back is open, so the sensor is working, but when i print/copy the page gets to the fuser exit sensor and calls a jam instantly the paper moves the flag (90% of the time it jams), image registration is perfect whether or not it calls a jam, so i know the sensor is working and the paper is not delayed


    this jamming occurred both before and after firmware update

    anyone seen this problem before? where do i go from here? a new exit sensor board?

    any assistance would be very much appreciated
    replace the exit sensor board I haven't had any luck soldering the leads on the red connector at all and I was DOD certified on thru hole soldering

  4. #4
    Senior Tech 250+ Posts
    MFC-9330 constant rear jams


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    Re: MFC-9330 constant rear jams

    Quote Originally Posted by aktasson View Post
    There is a maintenance program for sensor checking. Already tried? I would reset the machine first in maintenance mode with 01. And try out for testing the paper from bypass tray.
    thanks for the tips - silly me didn't try from the bypass

  5. #5
    Senior Tech 250+ Posts
    MFC-9330 constant rear jams


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    Re: MFC-9330 constant rear jams

    Quote Originally Posted by Phil B. View Post
    replace the exit sensor board I haven't had any luck soldering the leads on the red connector at all and I was DOD certified on thru hole soldering
    i have a new exit sensor board, heading back today to fit

    thank you

  6. #6
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    Re: MFC-9330 constant rear jams

    Quote Originally Posted by aAandy View Post
    i have a new exit sensor board, heading back today to fit

    thank you
    hello. know itīs old but did you made it to find what was the problem?

    regards

  7. #7
    Service Manager 10,000+ Posts
    MFC-9330 constant rear jams

    Phil B.'s Avatar
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    Re: MFC-9330 constant rear jams

    Quote Originally Posted by dadjo View Post
    hello. know itīs old but did you made it to find what was the problem?

    regards
    4 years dead thread. try pm'in aAndy

  8. #8
    Senior Tech 250+ Posts
    MFC-9330 constant rear jams


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    Re: MFC-9330 constant rear jams

    Quote Originally Posted by dadjo View Post
    hello. know itīs old but did you made it to find what was the problem?

    regards
    i apologise! normally i return to update threads for this very reason - unfortunately i have repaired several thousand machines of all types, makes and models since then and cannot recall the outcome

  9. #9
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    Re: MFC-9330 constant rear jams

    Quote Originally Posted by aAandy View Post
    i apologise! normally i return to update threads for this very reason - unfortunately i have repaired several thousand machines of all types, makes and models since then and cannot recall the outcome
    No problem . thank you for help, anyway.

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