s88urd

if you download a utility called stella phoenix, its a data recovry software and as part of the trial it will show you what can be recovered, from there onwards you can see if it is feesiable to pay for the full product. I have had this working on USB drives which windows 'sees' but doesnt allocate necessary drive letters to http://www.stellarinfo.com/

sounds like it could be a configurable registry key, search the registry of a machine with the printer 'configured' for the PIN number, if you find it then you might be able to add it to the local machine tree. or could just get it to run as a silent reg key through the login script/group policy