HP 504X (CE250X) Black High Yield Original Toner Cartridge for HP Color LaserJet CP3525 CM3530 HP 504X (CE250X) toner cartridges work with: HP Color LaserJet CP3525, CM3530. Save up to 25% with high-yield HP toner. Cartridge yield (approx.): 10,500 pages Original HP toner cartridges produce an average of 71% more usable pages than non-HP cartridges. What's in the box: New Original HP 504X (CE250X) toner cartridge Color: Black