Why opc drum sparks gives black or white dots in print

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  • Sahil102
    Technician
    • Sep 2016
    • 26

    #1

    [CQ] Why opc drum sparks gives black or white dots in print

    Hi

    Can somebody please explain why some opc drums when get sparked gets white dots and while other drums give black dots in print. And how can I check in specification of the machine whether it will give white or black dots.F or example canon ir adv 8105 gives white dots while canon ir adv 7105 gives black dots on getting sparked.
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