[MULTIPLE MODEL COMPATIBILITY] The Duplex Printing Module Assembly fits various models including Pro X451dn, X476dw, and others, making it a choice for your printing needs. [EFFICIENT INK COLLECTION SYSTEM] Designed to collect ink effectively during cleaning processes, this module helps maintain smooth operation and enhances overall printer performance. [MAINTENANCE OPTIMIZATION] Incorporating this assembly into your printer maintenance routine can significantly reduce downtime and prolong the life of your printer. [STURDY CONSTRUCTION] Made from ABS material, long-lasting reliability and consistent performance in everyday use. [SIZE CHECK ADVISED] For best results, please check the sizing information in the images before making a purchase.