The scraper replacement part is used to clean the waste generated by the printer hot end. Clean the waste during the printer preparation stage, pause recovery stage, and multi-color printing material change stage to timely cleaning of the waste generated during the printing process. When to replace: This replacement part is suitable for use when there is obvious damage on the discharge component. Over time, the metal flap may wear or bend. Common problems that may require replacement include: 1. The waste is not cleaned thoroughly before starting the actual print; 2. The waste adheres to the baffle of the ejection assembly; 3. The ejection assembly is obviously or worn. Color: Black Material: Metal Package Contents: 1 x scraper replacement part Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.