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  1. #11
    Service Manager 1,000+ Posts
    C550 Error codes


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    Re: C550 Error codes

    Aside from the other suggestions, for a quick test, put all the trays in trouble isolation in service mode to see if the errors will clear...if not, then I would think that you have a bad board, short or loose cable.

    Try a Trouble Reset by pressing the Utility key when powering the machine.
    Try reseating/cleaning contacts on fuser/machine.

    FYI: There are bulletins that address the fuser squeaks on these fusers (especially the older ones that were not modified). Fat is not mentioned.

  2. #12
    Senior Tech 100+ Posts Imsdal's Avatar
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    Re: C550 Error codes

    Hello again..

    I found the problem of this machine and the cause of the problem was that the silver cable call "control relay harness/3" p/n: A00JN12E01was cut in the middle, I Think I damaged that cable when I opened the big metall box. And that was the reason why the comunication between the PFTDB and PRCB was not working well.
    Emujo when i wrote aplied some fat I meant "grease" or lubrication.

    I want to thanks everybody for the help.

    Cheers.

    Imsdal

  3. #13
    Trusted Tech 50+ Posts Rvale's Avatar
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    Re: C550 Error codes

    i know ist something silly to ask but are you shure you conected everything, because that `fat and oil` part on your post seems prety weird, and by the way and for the sake of the gears dont use any sort of lubricant on it, the appearence of those gears is not intended to be like they have been lubrified but as a side effect.

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