Electrophotography – Diagnostics – Consumable
Reexamination Certificate
2007-02-13
2007-02-13
Gutierrez, Diego (Department: 2859)
Electrophotography
Diagnostics
Consumable
C399S028000, C399S227000, C399S112000
Reexamination Certificate
active
10797564
ABSTRACT:
Toner cartridges32C,32M,32Y, and32K have storage elements33C,33M,33Y, and33K mounted thereon to transmit information carried on electromagnetic wave in a predetermined frequency band. An information receiver transmitter unit30is located in a neighborhood of an end of a developer unit23with the toner cartridges32C,32M,32Y, and32K attached thereto to transmit information carried on the electromagnetic wave in the predetermined frequency band to and from a color laser printer20. While the developer unit23is rotated to develop each color component image with a supply of toner from the corresponding one of the toner cartridges32C,32M,32Y, and32K, the information receiver transmitter unit30is controlled to write a cumulative toner consumption and a cumulative number of printed sheets into the corresponding one of the storage elements33C,33M,33Y, and33K.
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Ichikawa Kazuhiro
Ishibashi Osamu
Cohen Amy R.
Gutierrez Diego
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