Image formation device and recording agent cartridge...

Electrophotography – Diagnostics – Consumable

Reexamination Certificate

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Details

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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patent: 2005/0105921 (2005-05-01), Yoshizuka et al.
patent: 2001-305920 (2001-11-01), None

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