IMAGE FORMING APPARATUS DETERMINING SUPPLIES-PURCHASING CONDITION BASED ON USAGE OF SUPPLIES AND OPERATING METHOD THEREOF

摘要

An image forming apparatus and an operating method thereof are provided. The image forming apparatus uses supplied mounted therein, and includes at least one computer processor configured to determine a grade of the image forming apparatus based on an accumulated usage of the supplies, and determine a range of available grades of the supplies, based on the determined grade of the image forming apparatus, and a memory configured to store information about the grade of the image forming apparatus.