I am having an issue getting the new developer to load on a C7570. I did a full PM on the black PCU and developer unit and followed the manual step for step since this is the first time that I've done this process and the developer fill will not initilize. As soon as you hit the execute button the FAILED message pops up on the screen. I'm at a loss as to what to do next. Any help would be greatly appreciated!
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