Thank you for using the Support Forum. Please take a look at the solutions for light streaks and see if the solutions will clear up the problem. If not please consider contacting your support centre for further assistance.
Thanks, CherylO-Xerox Community Manager
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Recently my ColorQube 8570 DN started printing a bizaar lightstreak right down the center of every page-- it shows absent color on the light strips test, including the numbers corrolating, but on the cleaning page, it prints light and blue down the center.