UNIT USING OPERATING SYSTEM AND IMAGE FORMING APPARATUS USING SAID UNIT Russian patent published in 2012 - IPC G06F21/00 H04L9/32 

Abstract RU 2452006 C1

FIELD: information technology.

SUBSTANCE: apparatus has a main controller which controls operation of the image forming apparatus; a replaceable unit mounted in the main unit to communicate with the main controller through a serial interface - customer replaceable unit monitoring (CRUM) chip, wherein the main controller of the main unit transmits information on using consumable materials used in the image forming apparatus to the CRUM chip through a serial interface, where a CPU performs initialisation of the replaceable unit and updates status information stored in the memory unit based on the information on the used consumable materials transmitted from the main controller.

EFFECT: high security of the image forming apparatus.

37 cl, 7 dwg

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RU 2 452 006 C1

Authors

Cho Von-Il

Li Dzae-Sung

Li Joon-Tae

Dates

2012-05-27Published

2009-02-19Filed