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  1. #1
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    Ricoh MP6001 Dark Band


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    Ricoh MP6001 Dark Band

    doc01585420191205172225.pdf

    Dark band and shrinking image at trailing edge on first copy/print only.
    Any ideas?

  2. #2
    Retired 10,000+ Posts slimslob's Avatar
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    Re: Ricoh MP6001 Dark Band

    Are you sure that it is the trailing edge? Remember that normal copying and printing the paper is ran down to the duplex unit and then back up and out for face down output to keep multiple pages in the correct order. With face down exiting, the trail edge is the lead edge going through image transfer and fusing. The martini models have a history of lead edge background on the first page following setting idle if the drum is getting old and the charge corona is due for rebuild. The drum surface does not reach full charge potential in time for the lead 2 inches of the first page. First thing to try is a new or rebuilt corona. If the dtum has more that 1.2M on it you might considering replacing it as well.

  3. #3
    Senior Tech 100+ Posts
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    Re: Ricoh MP6001 Dark Band

    Looks like the drum drive is slipping. Slim as usual is correct about the process, lead edge versa trail edge but the sample provided looks like you have a bit of compression on the image after the black banding.

    Good luck

  4. #4
    Senior Tech 250+ Posts
    Ricoh MP6001 Dark Band

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    Re: Ricoh MP6001 Dark Band

    if I remember correctly, a similar defect had occurred to me a while ago. I cleaned all the exposure, sensors and scanners well.

  5. #5
    Trusted Tech 50+ Posts
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    Re: Ricoh MP6001 Dark Band

    Replace charge Corona wire and grid

  6. #6
    Senior Tech 1,000+ Posts
    Ricoh MP6001 Dark Band

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    Re: Ricoh MP6001 Dark Band

    Copierjeff, have you resolved your issue? A follow up post would be good.
    NEVER ASSUME ANYTHING

  7. #7
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    Re: Ricoh MP6001 Dark Band

    Also lubricate scaners rails

  8. #8
    Just a tech 250+ Posts keithxxiii's Avatar
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    Re: Ricoh MP6001 Dark Band

    Quote Originally Posted by Gab View Post
    Also lubricate scaners rails
    Scaner rails? Wha How? I am confused..
    Aye! Cut the crap

  9. #9
    Service Manager 1,000+ Posts fshead's Avatar
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    Re: Ricoh MP6001 Dark Band

    if it is happening on print then not the scanner rails..
    I always pull the drum unit,clean the charge unit,wire,grid etc and then clean
    the mylar under the cleaning bush and sensor"which i pull out" and use water damp towel to clean to
    get it to seal tighter against drum..You at time might need to replace it..
    I always find keeping this clean reduces call backs and CQ ISSUES..

  10. #10
    Technician
    Ricoh MP6001 Dark Band


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    Re: Ricoh MP6001 Dark Band

    I ordered main charge wire and grid. Hopefully this fixes it. It happens when copying and internal prints like the copy count page. What's weird too is I replaced the transfer belt and blade and it got better. Transfer belt had over million on it as far as I can tell. It was doing it on almost every page but now just does it on first page. I also tried whole drum unit including charge assembly from parts machine the customer has and it does the same thing. Hopefully something is wrong with both charge units. Will update after I install wire and grid. Thanks for all the input!

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