US 7,321,435 B2
System and method for authorizing printing services
Darrel Cherry, Boise, Id. (US); and James Clough, Boise, Id. (US)
Assigned to Hewlett-Packard Development Company, L.P., Houston, Tex. (US)
Filed on Feb. 11, 2002, as Appl. No. 10/74,793.
Prior Publication US 2003/0151762 A1, Aug. 14, 2003
Int. Cl. G06K 15/00 (2006.01)
U.S. Cl. 358—1.14  [358/1.9] 11 Claims
OG exemplary drawing
 
1. A method comprising:
rendering a print job with a client computer;
sending an authorization code to the client computer from a monitoring device remotely located relative to the client computer;
subsequently sending the print job with the authorization code from the client computer to the remote monitoring device;
the remote monitoring device checking whether the authorization code is valid;
enabling printing of the print job upon determining that the authorization code is valid; and
disabling printing of the print job by a printer remote from the remote monitoring device upon determining that the authorization code is invalid.