Fuser Assembly Unit compatible with RM1-6274 and RM1-6319 models.Designed for use in MF515, MF515dw, and MF515x printers.This fusing unit serves as a heating and fixing component in the printing process, toner is properly bonded to paper.The assembly integrates into the printer as a replacement part for worn or damaged units.It supports consistent print output by maintaining proper heat and pressure during.