RL1-0024 Metal Fuser Film Sleeve compatible with imageRUNNER models 1730, 1730i, 1740, 1740i, 1750i and devices 4250, 4350, 4300, 4345.Designed to support fusing process in laser printing systems.metal construction intended for consistent performance during.smooth toner adhesion to media.Replaces worn or damaged sleeves to maintain print quality.Installation requires standard tools and basic technical knowledge.