APPAREIL DE FORMATION D'IMAGE POUR DISPOSITIF CONSOMMABLE DE DIAGNOSTIC, ET PROCÉDÉ DE FORMATION D'IMAGE CORRESPONDANT

摘要

An image forming apparatus is provided. The image forming apparatus includes an image forming part to form a pattern including at least one white dot line and at least one black dot line on an image forming medium using a photoconductive drum. A registration sensor is to sense an amount of light reflected from the image forming medium. A processor is to determine a state of the photoconductive drum based on the amount of sensed light in the pattern.