CRUM UNIT, REPLACEBLE UNIT AND IMAGE FORMING DEVICE COMPRISING THE CRUM UNIT, AND, METHOD FOR DRIVING UNIT THEREOF

摘要

PURPOSE: A CRUM unit, a replaceable unit and an image forming device comprising with the CRUM unit and a method for driving the unit are provided to drive each replaceable unit under the best driving condition, thereby minimizing an operational burden. CONSTITUTION: A storage unit(110) stores driving conditions according to each operation environment. A detection unit(130) monitors an operation environment. If the operation environment is detected, a controller(120) detects a driving condition corresponding to the operation environment. An interface unit(140) offers the detected driving condition to an image forming device body.