Based on this product's specifications, here are some alternatives and similar models
CET Fuser Fixing Film for Brother MFC-8510DN and MFC-8520DN
Summary description:
The CET fuser fixing film (CET2800) is a high-quality replacement component designed for Brother MFC-8510DN and MFC-8520DN laser printers. This essential spare part ensures proper toner adhesion to paper during the printing process. Engineered for durability and consistent performance, it is an ideal solution for maintaining print quality and resolving issues related to damaged or worn-out fuser films in professional office environments.