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xerox 8850/510 power supply defect

Discussion in 'Power Electronics' started by aakdag, Apr 1, 2021.

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  1. aakdag

    aakdag

    1
    0
    Mar 13, 2021
    Hello,

    There is a Xerox 8850/510 brand printer. LL-7F error exists. I detected deformation in bridge diode legs on AC Module. I ran it after cleaning it thoroughly, the fault still continues. But this device was repaired by someone else before me. LM741 is installed instead of LM7372MR (U10 coded) OPAMP. I can not find LM7372MR in Turkey. I will order from abroad. Could the cause of the LL-7F error be LM741?

    I will be grateful to you if you could help me about this problem.

    Best regards.

    Abidin AKDAG
    Konya/Turkey
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    11,154
    2,547
    Nov 17, 2011
    Moved to new thread.
     
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