Premium Imported Fuser Film Sleeve compatible with MF 4420/4580/4730/4750/4770n/4780w/4820w/4870dn/4880dw/4890dw printers. Engineered with high-temperature resistant polyimide material for extended durability and smooth paper feeding. Precision-cut edges ensure seamless compatibility and jam-free operation. Ideal for high-volume office printing, commercial copy centers, and industrial document processing. OEM-equivalent quality at wholesale pricing, backed by global bulk supply chain support.