You can do that within Remote Control Panel function. All ConnectKey machines have it.
Take a look at http://www.office.xerox.com/latest/XOGWP-19U.PDF
Unfortunately you can't see the completed jobs remotely. They visible only on the machine.
Is there way for me to view a list of Completed Jobs (in particular, print jobs) on a Xerox WorkCentre 7855 from my PC or the web interface? I can see them if I walk up to the machine and press Job Status, but was wondering if there was a way to view this remotely.