CC Print Monitor. It is a small program for track printer activity. Intercepts and stop all document until authorization. It can be launched automatically.
It reports about printed documents date and time, user, size, pages, status and more. CC Print Monitor support a white list (for users and/or computers) whos have direct pass to print.
Unregistered version is limited to 40 days test time and only one printer can be monitored at time. Both limitations are retired at soon the licence number is entered.