1PCS 40X5344 Fuser Fixing film sleeve Fits For E260 E460 X466 X363 X463 E462 X364 X464 E360 X264 The fuser fixing film sleeve is designed to fit specified printer models.Over time, the fuser film may degrade due to aging, leading to changes in material properties such as increased hardness or brittleness, which can affect image quality.Discoloration or reduced clarity may also occur.Physical damage like scratching, tearing, or bending can cause print defects or artifacts.Performance may decline after prolonged use, requiring replacement to maintain consistent output.Replacement involves turning off the device and allowing the fuser unit to cool.Access the fuser by the appropriate cover.Remove any necessary components to expose the fuser film.Carefully uninstall the old film, avoiding damage to surrounding parts.Clean the fuser unit with a lint-free cloth or compressed air before installing the film.Position the film correctly, aligning it with the fixing mechanism and guiding elements.Secure the film using the appropriate fasteners.Reinstall any removed components and close all covers.Before installation, clean the heating plate with alcohol to remove impurities.If the heating plate has bubbles or irregularities, smoothing with sandpaper may improve results.Apply grease evenly on the heating film, including the ends that the plug, to smooth rotation and reduce noise.After installation, rotate the film several times to distribute the grease evenly.Operate the device once the film rotates smoothly.Perform a test print to verify proper function.