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  1. #1
    Senior Tech 250+ Posts sharpmind's Avatar
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    SC 551-03 (MPC 2503SP)

    Guys, have you encountered this kind of problem? Replacing the fusing unit will solve the problem but it cost much. My question now is, what particular part in the fusing unit causes the error?
    Last edited by sharpmind; 06-20-2018 at 08:37 PM.

  2. #2
    Service Manager 10,000+ Posts
    SC 551-03 (MPC 2503SP)

    Phil B.'s Avatar
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    Re: SC 551-03 (MPC 2503SP)

    Quote Originally Posted by sharpmind View Post
    Guys, have you encountered this kind of problem? Replacing the fusing unit will solve the problem but it cost much. My question now is, what particular part in the fusing unit causes the error?

    it is a pretty specific code what does the manual tell you?

  3. #3
    Service Manager 5,000+ Posts
    SC 551-03 (MPC 2503SP)

    copier tech's Avatar
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    Re: SC 551-03 (MPC 2503SP)

    From the manual:

    Remedy

    • Replace the NC sensor • Reset the connector • Replace the connector • Replace the fusing unit
    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




  4. #4
    Senior Tech 100+ Posts aktasson's Avatar
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    Re: SC 551-03 (MPC 2503SP)

    Quote Originally Posted by sharpmind View Post
    Guys, have you encountered this kind of problem? Replacing the fusing unit will solve the problem but it cost much. My question now is, what particular part in the fusing unit causes the error?
    SC551-03 A Edge NC Sensor Short-circuit
    AD value: 0-13 (FB voltage: 0.000V-0.041V) (*3) is detected for (t14) seconds continuously.
    Detection period: 100 ms, detection frequency: 10 times or more.
    • NC sensor short-circuit
    • Connector disconnected
    • Replace the NC sensor
    • Reset the connector
    • Replace the connector
    • Replace the fusing unit

  5. #5
    Senior Tech 250+ Posts sharpmind's Avatar
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    Re: SC 551-03 (MPC 2503SP)

    Quote Originally Posted by Phil B. View Post
    it is a pretty specific code what does the manual tell you?
    NC sensor means non-contact sensor (AW100150 and Aw100151)...PROBLEM SOLVED..!
    Last edited by sharpmind; 06-21-2018 at 08:19 AM.

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