Dataproducts DPC90XP High Yield Remanufactured Toner Cartridge Replacement for HP CE390X Assembled in Mexico 100% satisfaction guarantee; expert technical support 1-year warranty; 100% performance guarantee; expert technical support: The use of this Dataproducts print cartridges does not void your printer's warranty Compatible Hardware: HP LaserJet Enterprise 600 M602DN, M602N, M602X, M603DN, M603N, M603XH; LaserJet Enterprise M4555 MFP, M4555F MFP, M4555FSKM MFP, M4555H MFP Page Yield: 24,000