What would cause all the developer to be pulled out of developing unit resulting in a C-7100??? I then replaced the developing unit and one of the copies made came out black yet not solid and not the whole page(top of page and bottom) resulting in a C-5100. The paper being used was 11x8.5. Did not have the problem with 8.x11R paper. I plan on replacing the corona charger ass'y and drum. Any other thoughts???
Thanks!!!
Thanks!!!
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