Fuser Unit 41X1115 41X1116 For MS821 MS822 MS823 MS825 MS826 MS820 MX721 MX722 Replacement fuser unit compatible with specified printer models.Designed to consistent print performance and during printing tasks.Installs directly into the supported devices without modification.Functions as a key component in the printing process by applying heat and pressure to bond toner to paper.Built to meet specifications for durability and efficiency.Suitable for use in office or -volume environments where dependable output is required. Compatibility : This is a third-party replacement component.Brand and model references are included solely to indicate fitment.