FM2-D539-000 Fixing Film Assembly for iR ADVANCE DX 6860 6870 6860i 6870i FM2-C647-000 Fuser Film Unit Replacement fixing film assembly compatible with specified printer models.Designed to function as part of the fusing system, this unit helps bond toner to paper during printing.Includes all necessary components for installation as a complete fuser film unit.Engineered for consistent performance across multiple print cycles.Direct fit for designated devices without modification.FM2-D539-000 corresponds to equivalent model FM2-C647-000.Intended for use in office environments with standard print volume requirements. This replacement is made by an independent supplier.All brand references are used solely to indicate compatibility.