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  1. #1
    Senior Tech 100+ Posts hotfuser's Avatar
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    C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    Please can i have any feed back regarding failures on cyan dev units as i have over 50 failures where the developer is depleted.
    This seems to be the only colour that fails.
    All the levels are as they should be.

    Thanks in advance for any info received.


  2. #2
    Field Supervisor 500+ Posts
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    Re: C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    Check the operation of your toner add motor.


  3. #3
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    Re: C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    Quote Originally Posted by mo0651 View Post
    Check the operation of your toner add motor.
    everything is working correctly on every machine we go too.

    Levels are all ok.

    the toner replenish system on these models are not independent they all turn together which is unusual.

    One C364e that had the problem went through 4 dev cyan dev units in 4 days ( only producing 1500 copies ove this period )

    MFP,HV,Drum,Printer control board transfer belt all had been changed previously.


  4. #4
    Service Manager 2,500+ Posts
    C224e/C284e/C364e/C454e/C545e cyan dev unit problems


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    Re: C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    You've had 50 cyan dev units fail!!?? Thats a lot, On how many differant machines is this?
    I trust you are using OEM toner?


  5. #5
    Step aside, noob 1,000+ Posts EarthKmTech's Avatar
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    Re: C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    Still to this day have never changed a colour dev unit on any 4 series and we have LOTS.

    Only one i have changed is a failed black, and thats the only one. We only use genuine everything and replace parts when asked - we never reset and leave parts.

    If at first you don't succeed, try the way I told you how to do it in the first place.

  6. #6
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    Re: C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    We have many of these in the field and I have never heard of such. Don't think I have changed one either. I only had one issue when someone was able to get a cyan toner installed where the black goes.


  7. #7
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    Re: C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    My reason for suggesting toner supply is we had a black dev. unit fail. (we thought). On this model there is carrier and toner in the toner bottle. It continuously replenishes the dev unit. It fills a toner hopper and then goes into the dev unit from the hopper. There are a couple of motors that run that process. We had one not working and causing the problem. Good luck.


  8. #8
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    Re: C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    Quote Originally Posted by copier tech View Post
    You've had 50 cyan dev units fail!!?? Thats a lot, On how many differant machines is this?
    I trust you are using OEM toner?
    this is across 20-30 machines and yes we are using OEM toner.

    it is just not making sense as all levels are correct and it is only the cyan unit.


  9. #9
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    Re: C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    20 - 30 machines!!!??? You sure you are not using compat toner?? There's no way on GOD's earth you could be that unlucky to have that many failed dev units. If you are running out of dev and the machine is still supplying toner from the bottle id suggest that you have a word with your toner supplier as i really cannot see you having that many machines with the same problem.

    i pray for you, Trigger


  10. #10
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    Re: C224e/C284e/C364e/C454e/C545e cyan dev unit problems

    Quote Originally Posted by Trigger View Post
    20 - 30 machines!!!??? You sure you are not using compat toner?? There's no way on GOD's earth you could be that unlucky to have that many failed dev units. If you are running out of dev and the machine is still supplying toner from the bottle id suggest that you have a word with your toner supplier as i really cannot see you having that many machines with the same problem.

    i pray for you, Trigger
    I get my toner direct from KM this is over a period of 12 months though.


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