4002 C6600

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  • PrintWhisperer
    Trusted Tech

    250+ Posts
    • Feb 2018
    • 465
    #16
    Re: 4002 C6600

    Thanks back at ya BC, you hit the nail on the the head as this is (counter-intuitively) an application for low-temp moly based grease, not high-temp stuff.

    The real problem of this endcap-to-fuser tube interface failing was an issue in the generations right after the change to IH heating.

    Low-power needs lightweight material to transfer heat efficiently hence no more heavy rollers to bear the drive torque.

    I liked the 'glue-it' reply, I can get behind kenoking's post, sounds like a real 'field engineering artist'.
    "Being ignorant is not so much a shame, as being unwilling to learn" - Benjamin Franklin

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      • blackcat4866
        Master Of The Obvious

        Site Contributor
        10,000+ Posts
        • Jul 2007
        • 22999
        #17
        Re: 4002 C6600

        I tried a silicone based adhesive, which let go the moment the fuser reached temperature. I had high hopes for it too. Cured silicone can withstand 400F ... but it just won't stick.

        Can you explain why those endcaps are free-wheeling (or a weird variation on a torque limiter)? Every other film fuser that I know of crimps, then glues the endcaps on. The failure occurs when the cap comes loose. I know that those caps monitor the roller rotation ... but why do you have to? Nobody else does. =^..^=
        If you'd like a serious answer to your request:
        1) demonstrate that you've read the manual
        2) demonstrate that you made some attempt to fix it.
        3) if you're going to ask about jams include the jam code.
        4) if you're going to ask about an error code include the error code.
        5) You are the person onsite. Only you can make observations.

        blackcat: Master Of The Obvious =^..^=

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          • outdoorkatie123
            Technician

            50+ Posts
            • Feb 2017
            • 50
            #18
            Re: 4002 C6600

            Hi guys the problem that we are experiencing with these fuser units is mostly the lower pressure roller bearings wearing out prematurely and the grease between the fuser film and heating assy failing.They say no grease should be added between belt and heating unit but if lack of grease is the problem why dont they tell us what grease they use and this would solve the problem for a lot of engineers
            .

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