PHOTOCONDUCTOR WITH NON-ALTERABLE MARK
Original Publication Date: 1990-Aug-31
Included in the Prior Art Database: 2004-Apr-05
Xerox Disclosure Journal
In certain electroreprographic machines it is desirable for customers to apply an identifying mark to all copies made on the machine. For example, organizations may wish to apply a logo to all copies produced, or a government printing office may wish to apply a security classification to all copies produced.