I have a WC7845 that makes a clicking noise. I have traced this to a jammed black toner dispense pipe. It appears that the pipe assembly is only held in place by 2 screws in the front and mounts on 2 pins in the rear. After removing the screws the pipe assy doesn't come out easily. Is there another screw holding it in (perhaps accessible only from the back of the machine) or do I just need to pull on it more firmly. I've looked at the parts diagram and I didn't see any other fasteners on the pipe assembly but I'm proceeding with caution.
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