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  1. #1
    FORMER Techie 1,000+ Posts tcs04's Avatar
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    C6500 warm up problem

    I'm getting a report of a problem where a broken gear was replaced on a C6500 fuser, the machine started running a job, jammed, the jam was cleared and now the machine displays "warming Up" but won't come ready..... Any ideas??

    Thermistors have been checked / swapped and the lamps are all coming on.

  2. #2
    Trusted Tech 50+ Posts sbillis's Avatar
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    what was the error?

    did you open-close the adu and front door again?
    did you try I/O check?
    hum/temp sensors what are they saying? does reach 200 degree?

  3. #3
    Field Supervisor 1,000+ Posts RRodgers's Avatar
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    Quote Originally Posted by sbillis View Post
    what was the error?

    did you open-close the adu and front door again?
    did you try I/O check?
    hum/temp sensors what are they saying? does reach 200 degree?
    Try shitting completely down and fireing it back up. I had a 8050 and C500 that would sometimes get stuck in "warming up".
    Color is not 4 times harder... it's 65,000 times harder. They call it "TECH MODE" for a reason. I have manual's and firmware for ya, course... you are going to have to earn it.

  4. #4
    FORMER Techie 1,000+ Posts tcs04's Avatar
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    Quote Originally Posted by sbillis View Post
    what was the error?

    did you open-close the adu and front door again?
    did you try I/O check?
    hum/temp sensors what are they saying? does reach 200 degree?
    I'm getting this report from another tech...... I believe he has checked all of the above, the machine did not display an error code as far as I'm aware, just says please wait, plus he's contacted KM tech support and they were puzzled.

  5. #5
    Senior Tech 100+ Posts HORSE's Avatar
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    Check the AC driver board

  6. #6
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    Is he absolutely sure ALL the upper lamps are coming on, there are three individual heaters, if you visually check they all appear to be on, when in fact one of the elements has blown, check for continuity to be sure, you usually get 'machine is warming up' when using thicker media and all heaters need to be switched on...

  7. #7
    FORMER Techie 1,000+ Posts tcs04's Avatar
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    He said he metered all lamps and they were ok..... time will tell. This guy isn't one of the muppets, normally gives good info.

    I suspect it's something related to the initial "broken gear" fault, which could of course be a "mechanical" beak in the lamps. Could it be related to temp detection due to poor drive somewhere in the unit?? Will check during the next few days.

  8. #8
    All things Konica Minolta 1,000+ Posts Stirton.M's Avatar
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    If there was really a warm up issue related to the fuser, the machine would and should throw a service code event after a set period of time.

    The problem is likely someplace else. It could even simply be firmware related...reflash the code to eliminate this possibility.
    "Many years ago I chased a woman for almost two years, only to discover that her tastes were exactly like mine: we both were crazy about girls."
    ---Groucho Marx


    Please do not PM me for questions related to Konica Minolta hardware.
    I will not answer requests or questions there.
    Please ask in the KM forum for the benefit of others to see the question and give their input.

  9. #9
    FORMER Techie 1,000+ Posts tcs04's Avatar
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    Quote Originally Posted by Stirton.M View Post
    If there was really a warm up issue related to the fuser, the machine would and should throw a service code event after a set period of time.

    The problem is likely someplace else. It could even simply be firmware related...reflash the code to eliminate this possibility.
    He reports there is no code, but I will check and report back if we find something.

    Thanks to all for the input.

  10. #10
    Senior Tech 100+ Posts HORSE's Avatar
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    I think I have seen a similar problem as described above, but I cant remember what was wrong or how we fixed it. I hate when that happens.

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