Sounds like someone may have lifted the machine the wrong way. If they grabbed the machine under the paper tray, they bent the lower safety switch activator, and that is activating the switch, and no voltage is getting to any of the paper feed components.
Something may be blocking the activator in the up position, too.
Here is a diagram of the paper tray:
safety switches 2.pdf
You need to find the safety switch activator, which is item 15 in the diagram, on your machine, and then if something is blocking it in the up position that needs to be taken care of. The activator should pivot freely up and down in any part of the paper tray's travel, and there should be a clicking sound if you move it by hand.
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