Method for detecting whether a cartridge installed in an...

Details Method for detecting whether a cartridge installed in an... Method for detecting whether a cartridge installed in an...

2007-10-09

2007-10-09

Tran, Hoan (Department: 2852)

Electrophotography

Diagnostics

Unit or part identification

C399S024000, C399S025000

Reexamination Certificate

active

11025163

ABSTRACT:
A method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit includes determining whether a usage threshold has been reached by the cartridge; determining whether the cartridge was previously installed in the imaging apparatus; and determining that the cartridge is potentially counterfeit if the usage threshold has been reached and the cartridge was not previously installed in the imaging apparatus.

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