¶ Component Function
Clean residual filament around the hotend.
¶ When to Replace？
Check if the silicone wiper adhesive tape is severely worn or broken, as this will affect print quality. Observe whether the nozzle can be cleaned properly during printing; if it cannot be cleaned effectively, replace the nozzle. For nozzle replacement instructions, please refer to Wiki: Replace Ender-3 V4 Nozzle
