Compatibility - Altru Print Maintenance Kit works with Part #'s; RM2-6418, RM2-6460 Supports - Color Laser Printer Pro M377, M452, M477 (Duplex Models Only) Features - Altru Print high quality components and printer maintenance experts ensure optimum printer performance Warranty - Extended 6-month replacement warranty and product support from our experienced USA based staff Altru Print Fuser Kit Includes - 1 x RM2-6418 Fuser, 1 x RM2-6455 Transfer Roller, 1 x RL1-2593 (RL1-1802) Tray 1 Pickup Roller, 1 x RL1-6406 Tray 1 Separation Pad, 1 x Tray 2 Pickup/Feed Roller Assembly (RM2-5576, RM2-5577), 1 x RM2-5881 Tray 2 Separation Roller, Gloves, Prepaid Free Core Return Label