This fuser film sleeve is a replacement part designed for use with compatible printer models.It fits the following series: 1000, 1010, 1012, 1015, 1020, 1022, 1050, 1150, 1160, 1200, 1220, 1300, 1320, 2015, 3015, 3020, 3030, 3050, 3055, and 3200.The component functions to restore standard printing operations by replacing worn or damaged sleeves in the fuser assembly.This item is sold as a set of 20 units.Installation requires removing the existing sleeve and fitting this replacement to the hardware specifications.