sharp sf 2030 - heavy background

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  • mzr
    • Jun 2025

    #1

    sharp sf 2030 - heavy background

    Hey

    i have a sharp SF2030
    i serviced the mirrors , corona wires , drum unit and any part that need
    and i replaced the Developer and inserted new toner to machine

    At first copy i saw a dirty sheet , so i tried to solve the problem with the directions "Adjustment when replacing the developer" inside the Service Manual , such as acceptable values

    but there was some differences between the machine and the SM.
    However i tried to solve the problem with codes but i couldn't.

    scan-20160204181852-0000.jpg

    i think there is no problem with drum and blade because when i remove th drum unit and rotates drum , Blade clean the drum as well

    i`m so confused

    somebody help me
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