This developer roller with magnetic core is designed for use in C284, C364, C554, C258, C368, C458, C558, and C658 series printers, supporting consistent print output.Constructed with materials, it is built to withstand regular usage in office environments.The magnetic function helps retain toner particles, contributing to efficient printing and improved toner distribution.This roller serves as a direct replacement component and allows for straightforward installation.Designed for proper fit and function, it supports the performance of the developer unit, helping maintain steady print quality and reduce operational interruptions in professional settings.