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  1. #1
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    MP C5503 functional error SC681

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    MP C5503 functional error SC681

    Hi all,

    I have this intermittent error during a print run after around 40 pages machine will display 'functional error' with a button to restart.

    After the machine restarts it shows "magenta toner not set" simply removing & reinserting the m toner clears the error for around another 40 prints.

    In the SC history it logs SC681-012

    I've replaced the magenta toner twice but the issue still occurs.

    To clarify the machine is not seeing the magenta toner as set, not that the toner is empty magenta print quality is fine.

    Any of you guys come across this before?
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  2. #2
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    MP C5503 functional error SC681

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    Re: MP C5503 functional error SC681

    manual initialization TD (SP3030) that solved the problem, or the RFID board defective or updating the firmware.
    then It involves a new kind of tension spring for holding the toner bottle.

  3. #3
    Service Manager 5,000+ Posts
    MP C5503 functional error SC681

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    Re: MP C5503 functional error SC681

    Quote Originally Posted by GIUBOSS View Post
    manual initialization TD (SP3030) that solved the problem, or the RFID board defective or updating the firmware.
    then It involves a new kind of tension spring for holding the toner bottle.
    That's a good shout, you've just reminded me about a year ago on this same machine a toner would pop out during a run pushing the front door open I bet its the same issue.

    Thank you!
    Let us eat, drink, and be merry, because tomorrow we may die!

    For all your firmware & service manual needs please visit us at:

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  4. #4
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    Re: MP C5503 functional error SC681

    Hi

    Did you solve the problem?

    I have the same situation, but toner dont pop out. Firmware updated, toner changed by new one, TD sensor initialized...



  5. #5
    Service Manager 5,000+ Posts
    MP C5503 functional error SC681

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    Re: MP C5503 functional error SC681

    Quote Originally Posted by DATERK View Post
    Hi

    Did you solve the problem?

    I have the same situation, but toner dont pop out. Firmware updated, toner changed by new one, TD sensor initialized...


    Yes there is a modified spring, this holds the toner in more securely. It doesn't always pop the front door open, just loses contact at the rear & throws SC681 see attached.

    SC681.pdf
    Let us eat, drink, and be merry, because tomorrow we may die!

    For all your firmware & service manual needs please visit us at:

    www.copierfirmware.co.uk - www.printerfirmware.co.uk




  6. #6
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    MP C5503 functional error SC681

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    Re: MP C5503 functional error SC681

    Quote Originally Posted by DATERK View Post
    Hi

    Did you solve the problem?

    I have the same situation, but toner dont pop out. Firmware updated, toner changed by new one, TD sensor initialized...


    Apparently you did not read the entire thread before posting your question.

  7. #7
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    Re: MP C5503 functional error SC681

    Quote Originally Posted by copier tech View Post
    Yes there is a modified spring, this holds the toner in more securely. It doesn't always pop the front door open, just loses contact at the rear & throws SC681 see attached.

    SC681.pdf
    thanks
    I already knew about the modified spring.
    The serial number indicates that the machine comes with the new springs, so it's probably not the problem

    maybe the toner contact plate? maybe switch by another color for testing...

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