HP 504A (CE250A) Black Toner Cartridge for HP Color LaserJet CP3525 CM3530. HP 504A (CE250A) toner cartridges work with: HP Color LaserJet CP3525, CM3530. Original HP toner cartridges produce an average of 71% more usable pages than non-HP cartridges. Cartridge yield (approx.): 5,000 pages. 504A toner is designed to work with your HP printer for high quality, reliable results every print. Ensure that your printing is right the first time and every time with HP printer toner: 504A toner. What's in the box: 1 New Original HP 504A (CE250A) toner cartridge. Color: Black.