This developer entrance seal is compatible with MP 1060, 1065, 2060, 1075, 2075, 2051, 5500, 6000, 7000, 7500, 8000, 9001, and 7502 series printers.The pack includes five seals that serve as replacements for part numbers B110-3091 and B065-3091.Designed for performance, these seals help maintain consistent toner flow and support proper printer function.Installation is straightforward and does not require special tools.