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  1. #1
    Service Manager 1,000+ Posts Polarbear's Avatar
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    MPC307spf - Dead as a doorpost

    Hi All

    I have an MPC307spf that is as dead as a doorpost.

    We replaced the AC/DC power supply as well as the AC detector board.

    Pressing the power button has no effect whatsoever. No fans/motors activity and no LED activity on the boards.

    Has anyone come across this before?

    I would appreciate your feedback.
    Press the GREEN button!!

  2. #2
    Service Manager 5,000+ Posts
    MPC307spf - Dead as a doorpost

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    Re: MPC307spf - Dead as a doorpost

    Quote Originally Posted by Polarbear View Post
    Hi All

    I have an MPC307spf that is as dead as a doorpost.

    We replaced the AC/DC power supply as well as the AC detector board.

    Pressing the power button has no effect whatsoever. No fans/motors activity and no LED activity on the boards.

    Has anyone come across this before?

    I would appreciate your feedback.
    Get your meter out should be pretty easy to check main voltage etc.

    Especially check the fuses on the boards you replaced maybe they blew as soon as you replaced the boards.
    Let us eat, drink, and be merry, because tomorrow we may die!

    For all your firmware & service manual needs please visit us at:

    www.copierfirmware.co.uk - www.printerfirmware.co.uk




  3. #3
    Service Manager 1,000+ Posts
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    Re: MPC307spf - Dead as a doorpost

    If it was caused by a piek current f.i. thunderstorm, it could very be that other boards are damaged too.
    In fact, here in Belgium, damage after f.i. a thunderstorm we describe the machine as "totally unreliable" when making up a cutlery for insurance.
    And selling a new machine is the (only) solution.

  4. #4
    Service Manager 1,000+ Posts Polarbear's Avatar
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    Re: MPC307spf - Dead as a doorpost

    Quote Originally Posted by copier tech View Post
    Get your meter out should be pretty easy to check main voltage etc.

    Especially check the fuses on the boards you replaced maybe they blew as soon as you replaced the boards.
    Hi Copier tech.

    Yes I did check low voltage and AC power supply fuses, as part of the fault finding, and all are good on both power supplies.
    Press the GREEN button!!

  5. #5
    Service Manager 1,000+ Posts Polarbear's Avatar
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    Re: MPC307spf - Dead as a doorpost

    Quote Originally Posted by Mark Bbb View Post
    If it was caused by a piek current f.i. thunderstorm, it could very be that other boards are damaged too.
    In fact, here in Belgium, damage after f.i. a thunderstorm we describe the machine as "totally unreliable" when making up a cutlery for insurance.
    And selling a new machine is the (only) solution.
    Hi Mark Bbb.

    Would love to get insurance involved, but I need to find proof of electrical damage (which so far is not forthcoming) as there is no black burn marks or parts that are blown of the board.
    Press the GREEN button!!

  6. #6
    Senior Tech 100+ Posts dave w's Avatar
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    Re: MPC307spf - Dead as a doorpost

    Thunderstorm ?

    If you suspect that may be the cause then check the fax area as the tel line may have been hit, I have seen this some years ago.

    Good luck

  7. #7
    Service Manager 1,000+ Posts
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    Re: MPC307spf - Dead as a doorpost

    Quote Originally Posted by Polarbear View Post
    Hi Mark Bbb.

    Would love to get insurance involved, but I need to find proof of electrical damage (which so far is not forthcoming) as there is no black burn marks or parts that are blown of the board.
    We always ask customer if there was a power failure recently.
    The last case we had was a road construction.
    The damage can go up to 6 months ago! Because the tinny components will have a tear which - due to temperature - will get bigger in time.
    But... it is hard to prove that a power failure of 6 months ago was the cause.
    Good luck!

  8. #8
    Service Manager 1,000+ Posts Gift's Avatar
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    Re: MPC307spf - Dead as a doorpost

    Quote Originally Posted by Mark Bbb View Post
    We always ask customer if there was a power failure recently.
    The last case we had was a road construction.
    The damage can go up to 6 months ago! Because the tinny components will have a tear which - due to temperature - will get bigger in time.
    But... it is hard to prove that a power failure of 6 months ago was the cause.
    Good luck!
    I wouldn't try anything without a parts donator - in know that the pricing for PCBs is very expensive so even little damage with more than 1 baord means that you can write this unit off and get a new one. Plus you'll never know if there are hidden issues waiting to occure some day later.

  9. #9
    Service Manager 5,000+ Posts
    MPC307spf - Dead as a doorpost

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    Re: MPC307spf - Dead as a doorpost

    Quote Originally Posted by Polarbear View Post
    Hi Copier tech.

    Yes I did check low voltage and AC power supply fuses, as part of the fault finding, and all are good on both power supplies.

    Are there any LEDs on the controller blinking etc?


    Let us eat, drink, and be merry, because tomorrow we may die!

    For all your firmware & service manual needs please visit us at:

    www.copierfirmware.co.uk - www.printerfirmware.co.uk




  10. #10
    Service Manager 1,000+ Posts Polarbear's Avatar
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    Re: MPC307spf - Dead as a doorpost

    Quote Originally Posted by copier tech View Post

    Are there any LEDs on the controller blinking etc?


    None at all. no noise of fans/motors either.
    Press the GREEN button!!

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