An alpha-numeric ID used by Xerox and Xerox authorized
resellers to enable devices to use a PagePack model
of device distribution. PagePack is a cost per page
contract model - which includes consumables, supplies
and service - on both printer and multifunction systems
The PIN number is used to change a device from
purchased consumables device to a PagePack device.
Usage: The device may return a NULL string or the word
'authorized' if the PIN value has been sent and the
device does not want to expose the value to
the PIN to unauthorized viewing. If no PIN has been
sent or this functionality is not supported then a
NULL string is returned