T634, X634 Refurbished Maintenance Kit w/ OEM Rollers (Includes Fuser, Feed, Separation, Transfer Rollers) (OEM# 56P1855) (300,000 Yield). Keep your printer up and running with remanufactured and aftermarket printer parts with performance rates as good as OEM. These compatible parts go through an ISO-certified manufacturing process and are subjected to rigorous quality testing protocols. 1-year warranty.