Patent ID: 7068382

Claim:
A system for printing information from a remote source, the system including a first data storage device that is connected to a network and stores first information; a second data storage device that is connected to the network and stores second information; a printer that is connected to the network, the printer being operable to print said first information on a first sheet with both visible and invisible ink such that the first information includes at least one identifier, in invisible ink, representing a request to the printer to retrieve the second information from the second data storage device and to print said second information on a second sheet; an interface module that is operatively connected to the printer to permit a user to request the first information from the first data storage device, via the printer, such that the printer generates a first -d sheet carrying the first information; a reader that is connected to the interface module and is capable of reading the, or each, identifier to generate a request for the second information such that the printer generates the second sheet carrying said second information; and a calculation means that is connected to the network and is responsive to operation of the module for determining a payment to be made by a second party controlling the second data storage means to a first party controlling the first data storage means.