10. The method of claim 9 , further comprising: transmitting the print job and the alphanumerical sequence to a destination printer; suspending the document from being printed by the destination printer until a matching alphanumerical sequence has been entered by a user at the destination printer; determining whether a match exists between the alphanumerical sequence and a user entered alphanumerical sequence; and if the match exists, printing the document.
9. The method of claim 1 , further comprising: in response to the comparison result indicating that the document comprises the confidential data, generating an alphanumerical sequence for authenticating the document.