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  1. #1
    Senior Tech 100+ Posts
    its C451 again ... copying issue

    konica7022's Avatar
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    its C451 again ... copying issue

    hi guys

    bizhub c451 is giving following copy (its like half unfused toner on the paper)

    but print comes out fine ?

    Picture 220.jpgPicture 219.jpg

    and can some one pls send me a service manual for c451

  2. #2
    Senior Tech 100+ Posts
    its C451 again ... copying issue

    konica7022's Avatar
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    Re: its C451 again ... copying issue

    ok now its in the print as well

    Picture 226.jpg

    but its only the black color that seems too be effected

  3. #3
    Step aside, noob 1,000+ Posts EarthKmTech's Avatar
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    Re: its C451 again ... copying issue

    black imaging unit failure, for reasons mentioned a thousand times before.

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

  4. #4
    Senior Tech 100+ Posts
    its C451 again ... copying issue

    konica7022's Avatar
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    Re: its C451 again ... copying issue

    Quote Originally Posted by EarthKmTech View Post
    black imaging unit failure, for reasons mentioned a thousand times before.

    search the forum
    thank you

    thats what i suspected, so i removed the black IU and saw same toner/dev!! rolling on the drum, cleaned it and slide it back in

    now its working fine again!

    except of the paper ejection gear!

  5. #5
    Trusted Tech 50+ Posts Konicoz's Avatar
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    Re: its C451 again ... copying issue

    Cleaning excess Dev off the drum will only be a temporary fix - it will come back and will most certainly affect c/q, you will need to replace the unit. There is a mod bulletin for the k drum as well that you can find on the km site
    Hey what ya doing? - just screwing around.

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