LJ 4700, 4730, CM4730, CP4005 Refurbished Maintenance Kit W/Aftermarket Parts (OEM# Q7502A, RM1-3131) (150,000 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.