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  1. #1
    Field Supervisor 500+ Posts
    HP LJ M604 No Power


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    HP LJ M604 No Power

    The customer said that it lost power a few months ago then they let it sit for a few days the it powered back on and lasted a month or so. Now they were running a job from there PC and during printing it powered off and will not come back on. I checked the outlet and power cord. I suspect the controller (Formatter board). Is this a common problem with these machines ?

  2. #2
    Service Manager 10,000+ Posts
    HP LJ M604 No Power

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    Re: HP LJ M604 No Power

    Quote Originally Posted by Doug James View Post
    The customer said that it lost power a few months ago then they let it sit for a few days the it powered back on and lasted a month or so. Now they were running a job from there PC and during printing it powered off and will not come back on. I checked the outlet and power cord. I suspect the controller (Formatter board). Is this a common problem with these machines ?
    check the LVPS to see if fuses are blown first... doubt the formatter bd

  3. #3
    Senior Tech 100+ Posts
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    Re: HP LJ M604 No Power

    Agree, check the fuses on the power supply board. If fuses are good, then replace the power supply board. Also, doubt the formatter board is bad.

  4. #4
    Field Supervisor 500+ Posts
    HP LJ M604 No Power


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    Re: HP LJ M604 No Power

    Thanks so much for the responses. !!!

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