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  1. #1
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    Exclamation MP171SPF Error - SC 866 - "SD Authentication Error"

    One of my machines is showing "SD Authentication Error".

    The machines doesnīt send auto E-mail Notification and i canīt access via Browser.

    This is what iīve tested without success:

    Replaced SD Printer / Scanner - NO SUCESS
    Memory All Clear - NO SUCESS
    Replaced the NVRAM - NO SUCCESS

    What worked :

    Replaced the controller board.


    Anyone have a less expensive solution than Replace the Controller Board?




  2. #2
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    Jaxom's Avatar
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    Re: MP171SPF Error - SC 866 - "SD Authentication Error"

    Does it still throw this code without an SD card in any slot (I would hope it wouldn't)?*
    Try updating/reloading firmware. Maybe the reader has dirty contacts. Or the reader is defective which would require a new controller.

    And reading the Goose's guide, possibly the DIMM memory on the controller.

    Have you tried turning it off and on again?

  3. #3
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    Re: MP171SPF Error - SC 866 - "SD Authentication Error"

    Quote Originally Posted by Jaxom View Post
    Does it still throw this code without an SD card in any slot (I would hope it wouldn't)?*
    Try updating/reloading firmware. Maybe the reader has dirty contacts. Or the reader is defective which would require a new controller.

    And reading the Goose's guide, possibly the DIMM memory on the controller.
    Forgot to say:

    - Already Rewrited all Firmwares and Replaced the DIMM , and NO SUCCESS.
    - And Without the SD , error still Occurs.

    Thank you for your help.

    I will try a Contact Cleaner Spray.


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