Hello JH3,
Usually in these situations we direct the customer back to the point of purchase for a missing in box item. If you purchased from Dell, I would recommend asking to speak with a manager at Dell regarding this issue. If you call Xerox again, I would recommend asking to speak to a manager and get their advice on the situation.
I purchased a WC6515 DNI through Dell. The box was delivered unsealed and the WiFi module was missing. I called Dell, they said go to Xerox. I called what I thought was customer service. After being transferred 5 times, I was cut off. Is there anyone at Xerox who will step up and help me with this!Fresh out of the Box