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  1. #1
    Technician Jammed's Avatar
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    Konica BizHub C3850 black screen

    The call was for a blank screen. Arrived to find op panel dead. Black screen. Start button and power buttons are lit. Rebooted. Machine goes trough it's start up test. Seems to boot up, just a black screen. It is not the op panel as I first replaced that. Main Board? HDD?
    Thanks for any ideas.

  2. #2
    Service Manager 5,000+ Posts tsbservice's Avatar
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    Re: Konica BizHub C3850 black screen

    These are known for control panel failures.
    You may want fo check out this thread:
    C3350
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    I don't reply to private messages from end users.

  3. #3
    Senior Tech 100+ Posts
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    Re: Konica BizHub C3850 black screen

    First option is to swap out SSD card
    A3GNR71033 ………….SSD Memory



  4. #4
    Service Manager 1,000+ Posts
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    Re: Konica BizHub C3850 black screen

    NOOOOOO... Known Problem is the UK211 memory chip.

  5. #5
    Field Supervisor 500+ Posts
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    Re: Konica BizHub C3850 black screen

    Every black panel problem I and my colleagues have had has been due to the mfp board failing. There is at the moment however a problem with ssd boards, so replacing them together seems to be the way to go.

    If random lines of buttons don’t work however, that’s the ops panel....

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