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1. (WO2015046730) CRUM CHIP MOUNTABLE IN COMSUMABLE UNIT, IMAGE FORMING APPARATUS FOR AUTHENTIFICATING THE CRUM CHIP, AND METHOD THEREOF

Pub. No.:    WO/2015/046730    International Application No.:    PCT/KR2014/006637
Publication Date: Fri Apr 03 01:59:59 CEST 2015 International Filing Date: Wed Jul 23 01:59:59 CEST 2014
IPC: G03G 21/00
G06F 3/12
Applicants: SAMSUNG ELECTRONICS CO., LTD.
Inventors: LEE, Sang-hyong
Title: CRUM CHIP MOUNTABLE IN COMSUMABLE UNIT, IMAGE FORMING APPARATUS FOR AUTHENTIFICATING THE CRUM CHIP, AND METHOD THEREOF
Abstract:
Provided herein is an image forming apparatus, comprising: a consumable unit where a CRUM (Customer Replaceable Unit Monitoring) chip is mounted; and a main body configured to perform at least one of a first authentication and a second authentication of the consumable unit, when the consumable unit is mounted, wherein the main body comprises: a main controller for performing the first authentication according to firmware stored in the image forming apparatus; and an authentication controller for using at least one ASIC (Application Specific Integrated Circuit) to perform the second authentication of the consumable unit. Accordingly, it is possible to effectively authenticate a consumable unit even when the image forming apparatus is hacked.