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  1. #1
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    C454 Printing streaks on first pages.

    I have a c454 that is printing streaks, whenever it has been sitting for an hour or so. After printing about 25 pages it goes away. See attached example, it is most visible in the lower right hand corner.

    I have already put in new imaging units(all colors), and changed the transfer belt unit.

    I would appreciate any thoughts you might have.
    Attached Images Attached Images

  2. #2
    Service Manager 2,500+ Posts
    C454 Printing streaks on first pages.

    Phil B.'s Avatar
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    Re: C454 Printing streaks on first pages.

    Quote Originally Posted by dcat127 View Post
    I have a c454 that is printing streaks, whenever it has been sitting for an hour or so. After printing about 25 pages it goes away. See attached example, it is most visible in the lower right hand corner.

    I have already put in new imaging units(all colors), and changed the transfer belt unit.

    I would appreciate any thoughts you might have.
    print or copy?did you clean the machine ?

    what about the developer units?

    total page count on machine?

  3. #3
    Service Manager 2,500+ Posts
    C454 Printing streaks on first pages.

    copier tech's Avatar
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    Re: C454 Printing streaks on first pages.

    Are you using genuine toner?
    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

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    Re: C454 Printing streaks on first pages.

    print or copy? Both

    did you clean the machine ? You mean vac out any spilled toner? Or is their a cleaning cycle I am not familiar with?

    what about the developer units? Only black has been changed, but it appears that this is black toner...

    total page count on machine? 1.2 million

  5. #5
    Service Manager 2,500+ Posts
    C454 Printing streaks on first pages.

    Phil B.'s Avatar
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    Re: C454 Printing streaks on first pages.

    Quote Originally Posted by dcat127 View Post
    print or copy? Both

    did you clean the machine ? You mean vac out any spilled toner? Or is their a cleaning cycle I am not familiar with?
    yes vac out and clean w/ stretch n dust cloth

    what about the developer units? Only black has been changed, but it appears that this is black toner...
    is it BLACK or grey (mixed waste toner)

    total page count on machine? 1.2 million
    did you think to look at the FUSER?

  6. #6
    Service Manager 1,000+ Posts
    C454 Printing streaks on first pages.


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    Re: C454 Printing streaks on first pages.

    Odd, It sure looks like the transfer belt blade isn't cleaning well. I see a mixture of color, some yellowish but maybe that's the file.

    I know you replaced the unit, does this machine have a waste cleaning system that can back up into the unit, or maybe just spill over in general?

  7. #7
    Master Of The Obvious 10,000+ Posts
    C454 Printing streaks on first pages.

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    Re: C454 Printing streaks on first pages.

    Quote Originally Posted by dcat127 View Post
    I have a c454 that is printing streaks, whenever it has been sitting for an hour or so. After printing about 25 pages it goes away. See attached example, it is most visible in the lower right hand corner.

    I have already put in new imaging units(all colors), and changed the transfer belt unit.

    I would appreciate any thoughts you might have.
    Quote Originally Posted by dcat127 View Post
    print or copy? Both

    did you clean the machine ? You mean vac out any spilled toner? Or is their a cleaning cycle I am not familiar with?

    what about the developer units? Only black has been changed, but it appears that this is black toner...

    total page count on machine? 1.2 million
    Please excuse my pointing out this inconsistency: Firstly this series of machines uses separate drum and developing units, so technically there is not a single image unit and you could not have changed all of them if they don't exist. Then in the next post you changed only a black developing unit. This fault is by all appearances a worn black drum issue (since you're a bit unclear on this: yes drums and developing units are different).

    So did you or did you not change the black drum?

    I did look at your scan. The area of background is definitely ~3% K only. That could be because you scanned in B&W or because the problem is with the black drum. There is no way for me to distinguish.

    Keep in mind that transfer waste is more brown colored IF you do a lot of color printing. If you do all black printing the transfer waste will be mostly black. =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.


    blackcat: Master Of The Obvious =^..^=

  8. #8
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    Re: C454 Printing streaks on first pages.

    check the fuser

  9. #9
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: C454 Printing streaks on first pages.

    Did you initialize the transfer belt so that it gets primed. This machine will flip the cleaning blade if that is not done.
    News on the condition of the K drum?
    Change it out with one of the color drums to test.
    Whatever

  10. #10
    Service Manager 2,500+ Posts
    C454 Printing streaks on first pages.

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    Re: C454 Printing streaks on first pages.

    Quote Originally Posted by copier tech View Post
    Are you using genuine toner?
    Well ?
    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

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