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  1. #11
    Senior Tech 250+ Posts kannuki2's Avatar
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    Re: Aficio 2051 (b+w) with sc555 + sc552

    I had one with 5.2 millions pages kept throwing that error codes - sc555, sc542, sc543. I had to replace the IOB to resolve it.


  2. #12
    Field Supervisor 500+ Posts
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    Re: Aficio 2051 (b+w) with sc555 + sc552

    Quote Originally Posted by slimslob View Post
    In my experience they are seldom the cause since they are normally replaced at each fusing unit PM. I have had to replace a lot more thermostats due to fusing errors.
    What I mean to say is that dirty thermistors cause the fuser to over heat and that is what causes the thermostat to blow.
    Ricoh should go to a non contact thermistor.


  3. #13
    Retired 5,000+ Posts slimslob's Avatar
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    Re: Aficio 2051 (b+w) with sc555 + sc552

    Quote Originally Posted by anothertech View Post
    Ricoh should go to a non contact thermistor.
    They did with the 1060 and 1075. They scraped it with the 2060/2075 and subsequent models.


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