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  1. #1
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    Samsung SCX-6345 Dead

    Wanted to reach out to those who may see this box more than me. I have only seen it a few times. Here is my scenario:

    Machine called for the drum to be replaced. Customer said they turned off the machine. Next day we delivered and installed the drum. Turned on the machine and it was dead. I was asked to go look at it. Upon arrival, I turned on the machine, still dead. No fans, no op panel, just the red led on the board. Power is coming into the Power Supply. Looked at what Samsung calls a schematic, and it appears there was no 24v coming from the PS, but there was 5v. While talking to my boss over the phone, I turned on the machine and fans came on, op panel came up "initializing", then after a minute or so I heard and electrical pop. Machine dead. Now there is not 5v from the PS or 24v.

    Am I looking at the schematics correctly? I'm looking at page 10-50 in the service manual. Then looking at con71 for the 24v and 5v. If this is correct, then I assume the power supply just went bad. Is this common for this model or just one of those things that happen. Again, not familiar with this model. Also, any known issues that may have caused this? Or for that matter, any input at all on this model?

    I found the power supply at Iteminc.com and Precision Roller. Any other sources that you may know of?

  2. #2
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    Re: Samsung SCX-6345 Dead

    It was the power supply.

  3. #3
    Senior Tech 250+ Posts
    Samsung SCX-6345 Dead


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    Re: Samsung SCX-6345 Dead

    You wouldn't have the part no. for the power supply?
    I have one of these machines that I was replacing a sensor on and plugged it back in--no power.
    Red light on the main board but no fans etc running.
    I am looking at the power supply directly connected to the mains with JC44-00100A printed on the board but i presume
    that part no. is superceeded. I have looked on here and saw a few threads about the power supply issues so I think
    there is an issue.Just wanted to check which one it is before ordering,
    Thanks,

  4. #4
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    Re: Samsung SCX-6345 Dead

    I will check Monday.

  5. #5
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    Re: Samsung SCX-6345 Dead

    The power supply I replaced was SMPS Power Supply. Part # JC44-00093A. I think I got it at Liberty Parts or Percision Roller.

  6. #6
    Senior Tech 250+ Posts
    Samsung SCX-6345 Dead


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    Re: Samsung SCX-6345 Dead

    Hi Copiman,
    Just for clarity can you confirm the part I have circled on the pdf is the part you replaced.I think you possibly have 120v part no.
    and I have 240v part no.
    Thanks for your help Copiman.
    Attached Files Attached Files

  7. #7
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    Re: Samsung SCX-6345 Dead

    That's the one.

    Yes, mine was 120V.

  8. #8
    Senior Tech 250+ Posts
    Samsung SCX-6345 Dead


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    Re: Samsung SCX-6345 Dead

    Great,thanks for clearing that up for me.

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