bizhub PRESS 1052 fuser errors

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  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22698

    bizhub PRESS 1052 fuser errors

    I got in on the tail end of this group of calls, but you may find it interesting. The machine has got 7M prints, and hasn't had anything extraordinary up to now.

    It started with C3903. Then C3904. Then C3906. Then finally C3905. It's had lamps and thermistors replaced several times in the last few weeks. It does not blow the thermistats, but did melt down quite nicely the last time. KM recommended the whole fuser assembly replaced. The only thing I wonder about is the spacing of the non-contacting thermistor ... mainly because I don't know how it was positioned. All the modular connectors are intact, clean and undamaged. When the non-contact thermistor is working correctly you can read CN203 pins 3 & 4: 4.8vdc cold to 1.87vdc stabilized hot.

    I wish there was smoking gun, like a lamp wire pinched to ground or a thermistor not touching the roller, but no such luck. The old fuser is taking a little trip to Japan to be examined ... dissected.
    =^..^=
    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 =^..^=
  • allan
    RTFM!!

    5,000+ Posts
    • Apr 2010
    • 5445

    #2
    Re: bizhub PRESS 1052 fuser errors

    End block connectors? Had a bit of ADU movement that got me for a while. But overheating?
    I have used the non contact sensor from a B751 before.
    Whatever

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