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  1. #1
    Senior Tech 250+ Posts
    Join Date
    Apr 2008
    Posts
    338
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    konica 7020 black line

    HEY GUYS,
    WORKING ON A KONICA 7020 THAT HAS A BLACK LINE ABOUT 1/4 INCH THICK ACROSS THE TRAIL END OF THE BACK SIDE OF THE COPIES. NOT REAL CONSISTANT IN DARKNESS BUT ALWAYS THERE NO MATTER WHAT SIZE OR DIRECTION THE PAPER IS. ONE TIME IT SHOWED UP ON THE LEAD EDGE TOO (11X17). CLEANED THE MACHINE COMPLEATLY ( OR SO I THINK) NO CHANGE, CHECKED OIL WEB,SEEMS TO BE GOOD TO GO. WHAT AM I MISSING HERE. IT HAS BEEN ONE OF THOSE WEEKS WHEN I FEEL LIKE I DON'T KNOW A THING ABOUT COPIERS ITS KINDA LIKE RAISING KIDS SOMEDAYS ITS A PIECE OF CAKE AND SOMEDAYS IT SEEMS IMPOSSABLE!!

  2. #2
    Senior Tech 100+ Posts
    konica 7020 black line


    Join Date
    Apr 2009
    Posts
    104
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    32
    I Know you said it's always there but, are you only making single copies or have you tried multiple copies? Is it only on first copy out? If so you may need to upgrade image control firmware to level 32 CIDO. Check out this solution from Konica.

    Description
    Thick line from front-to-rear 1/4 inch thick and 4 inches long, appearing on first copy out.
    Solution
    CAUSE: The PCL (Pre Charge Lamp) is coming ON while the machine is at idle, causing a slight charge on the drum.
    SOLUTION: Install level 32-CIDO image control firmware which will stabilize the drum potential by making a conditioning rotation before copying the first
    page.
    Note: This solution does not apply to the bypass tray.

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