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printer hp laser jet pro m15a

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    printer hp laser jet pro m15a

    Hello everyone, as the title suggests, I have this printer that does not turn on.
    On the motherboard there are the primary voltages on the rectifier bridge of 320 v and on the double diode of the secondary of 24 v.
    The voltages printed on a white background (I don't know if they are legible) of 24 v. , 5.4v and 3.3v are not present. There are no obvious burnt components, the capacitors seem ok. Unfortunately I have no schematic. Any of you know it?
    Thanks for the reply
    Hello everybody
    Attached Files

    #2
    Re: printer hp laser jet pro m15a

    The same issue on HP M28a :-(

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      #3
      Re: printer hp laser jet pro m15a

      If anybody know solution?

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        #4
        Re: printer hp laser jet pro m15a

        The problem might be into formatter board. check the 24v on formatter board L2 or L4?
        Mine the L2 is missing. I think there is the problem but i don't know the part.

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          #5
          Re: printer hp laser jet pro m15a

          I was missing L4. I have put the coil and the printer already works. Thank you very much for your help.
          Last edited by SMDFlea; 08-02-2022, 11:04 AM. Reason: translate

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            #6
            Re: printer hp laser jet pro m15a

            The part L4 is also missing from my bard. What is the name and model of this component? I need this information for buying the component. I will be appreciate it if you could tell me about details of this component.
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