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  1. #1
    Senior Tech 100+ Posts
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    C454e Cyan prints

    Happy New Year to all.
    Hope it's going well


    We got a colour drum for the 454 so I was like let me run a cyan print to see what it will look like and if that's the drum needed changing. Cause I think we changed all the rest larder.
    This is how it came out

    Sent from my SM-G955F using Tapatalk

  2. #2
    Service Manager 5,000+ Posts
    C454e Cyan prints

    copier tech's Avatar
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    Re: C454e Cyan prints

    Quote Originally Posted by positiveg View Post
    Happy New Year to all.
    Hope it's going well


    We got a colour drum for the 454 so I was like let me run a cyan print to see what it will look like and if that's the drum needed changing. Cause I think we changed all the rest larder.
    This is how it came out

    Sent from my SM-G955F using Tapatalk
    You will need to replace the cyan developer unit.

    But check this bulletin for the most likely cause it failed.

    Premature Developer Unit Failure - Image Unit Failure V2.pdf
    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

  3. #3
    Field Supervisor 500+ Posts
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    Re: C454e Cyan prints

    The developer unit is no good.

    I would replace the developer unit, drum and toner filter.

    Vacuum out the ports on the drive unit for the toner filtration as well.

  4. #4
    Service Manager 2,500+ Posts tsbservice's Avatar
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    Re: C454e Cyan prints

    Quote Originally Posted by copier tech View Post
    You will need to replace the cyan developer unit.

    And maybe few other things.
    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.

    Blessed are they who can laugh at themselves, for they shall never cease to be amused.

  5. #5
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    Re: C454e Cyan prints

    Thanks guys I figured will be something like this. As something similar happen on black unit a few months back. I got a new drum so it's just the unit and definitely check to see if there's a leak as well. Cause this went from 100 to 0 just like that

    Sent from my SM-G955F using Tapatalk

  6. #6
    Service Manager 10,000+ Posts
    C454e Cyan prints

    Phil B.'s Avatar
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    Re: C454e Cyan prints

    classic case of a bed dev unit

  7. #7
    Service Manager 5,000+ Posts
    C454e Cyan prints

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    Re: C454e Cyan prints

    Quote Originally Posted by positiveg View Post
    Thanks guys I figured will be something like this. As something similar happen on black unit a few months back. I got a new drum so it's just the unit and definitely check to see if there's a leak as well. Cause this went from 100 to 0 just like that

    Sent from my SM-G955F using Tapatalk

    See the bulletin I attached, if you don't address this issue you will be replacing dev units not stop way before they reach life.

    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

  8. #8
    Service Manager 1,000+ Posts
    C454e Cyan prints


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    Re: C454e Cyan prints

    Make sure the Dev box has to black dots by part number so you have the latest revision.

    Sent from my Pixel 4 XL using Tapatalk

  9. #9
    Service Manager 2,500+ Posts
    C454e Cyan prints


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    Re: C454e Cyan prints

    Quote Originally Posted by positiveg View Post
    Happy New Year to all.
    Hope it's going well


    We got a colour drum for the 454 so I was like let me run a cyan print to see what it will look like and if that's the drum needed changing. Cause I think we changed all the rest larder.
    This is how it came out

    Sent from my SM-G955F using Tapatalk
    Like the others said the cyan developer dumped. Make sure "any" over life consumables are replaced as well or it will dump again. It can be any other over life drum or transfer belt that will short out causing it to crash. Usually the cyan developer unit that takes the hit! You can use a good one from another machine or since new are so expensive (around $500) you can convert a less expensive black dev unit into any color. Search this forum I've posted procedure here before. or PM me

  10. #10
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: C454e Cyan prints

    Quote Originally Posted by tech51 View Post
    Vacuum out the ports on the drive unit for the toner filtration as well.

    Most techs neglect to do this after it over tones the firsts time. That leads to future failures.
    It can dump an unbelievable amount of toner in the suction port that need to clear toner dust from the parts on the drum.
    Whatever

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