| 摘要 |
<p>The present invention provides a method (102-108) and printer system (202-240) software (250) for verifying that a document was printed by a printer with a printing subsystem having a printhead cartridge (222), a unique printhead cartridge identifier and having a printhead (304) electronically coupled to a computer (240). The method includes generating (102), by the computer (240), a unique document identification composite of electronic form characters utilizing the unique printhead cartridge identifier and transmitting (104) the unique document identification composite to the printing subsystem for printing thereof on each print media sheet of the document.</p> |
