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  1. #1
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    Bizhub 601 Keeps warming up

    I have a bizhub 601 in the field that keeps saying warming up ready tp scan. I have cleaned the drum sensors , tested a different fuser unit both fusers works fine, replaced SD/NVRAM CARD once i have replaced the card the machine did warm up and went to ready to copy , i made copies max 60 copies than the machine stops and warms up again i checked the hopped unit and toner botyke to check if toner is supplied hopper is fine, i than replaced Printer control board , same problem max 60 copies mc goes to warming up if you restart the Mc it can make copies than goes to warming up sending peint jobs to the Mc it doesnt print of even gets to the Mc by the time the jobs should reach the Mc it goes into warming up state any suggestions
    Sent from my SM-A505F using Tapatalk
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    Last edited by blinxwap; 12-05-2020 at 07:34 AM. Reason: None

  2. #2
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: Bizhub 601 Keeps warming up

    Check that the ADU latch lever sensor is not out of place.
    Does the fuser lamps turn on if you lift the ADU handle with the doors open?
    Whatever

  3. #3
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    Re: Bizhub 601 Keeps warming up

    Warming up....sounds like a fuser issue. Check to make sure fuser thermistors are clean...Additionally, might there be a fuser drive board issue??? Just thinking....Bizhub 601 Keeps warming up

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  4. #4
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    Re: Bizhub 601 Keeps warming up

    Quote Originally Posted by allan View Post
    Check that the ADU latch lever sensor is not out of place.
    Does the fuser lamps turn on if you lift the ADU handle with the doors open?
    Yes the lamps turn on

    Sent from my SM-A505F using Tapatalk

  5. #5
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    Re: Bizhub 601 Keeps warming up

    Quote Originally Posted by qbert69 View Post
    Warming up....sounds like a fuser issue. Check to make sure fuser thermistors are clean...Additionally, might there be a fuser drive board issue??? Just thinking....Bizhub 601 Keeps warming up

    Sent from my SM-N950U1 using Tapatalk
    I have cleaned the thermistors and keep in mind i took another fuser of n working mahine with and fitted it on the machine and it still didnt work

    Sent from my SM-A505F using Tapatalk

  6. #6
    Service Manager 1,000+ Posts
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    Re: Bizhub 601 Keeps warming up

    Quote Originally Posted by blinxwap View Post
    I have cleaned the thermistors and keep in mind i took another fuser of n working mahine with and fitted it on the machine and it still didnt work

    Sent from my SM-A505F using Tapatalk
    Possible fuser drive/power sense board issue I'm guessing...are you able to monitor for proper fuser temps???Bizhub 601 Keeps warming up...just because thermistors are clean doesn't mean the fuser is driven to the maximum proper temperature or that the temperature is being sensed properly!!!Bizhub 601 Keeps warming up

    Sent from my SM-N950U1 using Tapatalk
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  7. #7
    Service Manager 2,500+ Posts tsbservice's Avatar
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    Re: Bizhub 601 Keeps warming up

    What are toner sensor readings?
    I would try to add manually toner in developer unit, maybe a spoon and see what will happen.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

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  8. #8
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: Bizhub 601 Keeps warming up

    Do you get errors if you run peculiarity adjustments?
    Whatever

  9. #9
    Step aside, noob 1,000+ Posts EarthKmTech's Avatar
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    Re: Bizhub 601 Keeps warming up

    forever stuck in warming up state was a common sign of image quality issues and failed / soiled drum cartridge sensors.

    I've always changed drums at 500k is that one still ok at 600+K?

    PS, I like your service report format - nice and detailed. Bit different to my method of tipping the hat, giving the thumbs up and walking on out.

    These machines are discontinued from support here so I don't see them anymore.
    This account is no longer active and will no longer be used, I may re-join at a later date. Do not private message me, I will not get the notifications. Goodbye and all the best.

  10. #10
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    Re: Bizhub 601 Keeps warming up

    Quote Originally Posted by allan View Post
    Do you get errors if you run peculiarity adjustments?
    Nope

    Sent from my SM-A505F using Tapatalk

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