Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven Miller0
Date of Patent
April 8, 2008
0Patent Application Number
117571610
Date Filed
June 1, 2007
0Patent Primary Examiner
Patent abstract
Provided is a toner cartridge having a microcontroller configured to store data necessary to create a message authentication code required by the printer. The microcontroller contains data values capable of generating acceptable MACs for a plurality of printers. The microcontroller recognizes a variety of unique parameters displayed by the printer's processor to identify the printer being used. Once the printer is identified, the microcontroller loads the data values associated with the printer and generates an acceptable MAC to enable printer operation.
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