Global Cartridges Premium Quality Remanufactured Toner Cartridge Set Replacement for HP 504A/504X CE250X,CE251A,CE252A,CE253A (Black,Cyan,Magenta,Yellow) Page Yield = Black 10500 Pages / Color 7000 Pages For use in the following printers: HP Color LaserJet CM3530, HP Color LaserJet CM3530fs, HP Color LaserJet CP3525, CP3525n, CP3525dn, CP3525x, CP3530 Printers Global Cartridges Offer OEM(original equipment manufacturer) quality USA Remanufactured Products and 100% SATISFACTION GUARANTEED. Our re-manufactured toner cartridges are an excellent alternative for the original cartridges + cost 50% less. Global Cartridges provides the most eco-friendly and cost efficient printing solutions Global Cartridges Provides remanufactured toner cartridges are used OEM cartridges that are refurbished, inspected, disassembled, cleaned and replaced parts with new ones before being re-filled with new toners.All Remanufactured cartridges are thoroughly tested after assembly to ensure they meet or exceed OEM standards.