LJ 4200, 4250, 4300, 4350 Aftermarket Tray Repair Kit (Includes Rear Tray Assembly, Feed Roller Cover and Spring) (OEM# RM1-1088KIT). 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.