HP 508X (CF360X) Dual Pack Black High Yield Original Toner Cartridges. HP 508X (CF360X) toner cartridges work with: HP Color LaserJet Enterprise M577, M553. Save up to 25% with high-yield HP toner. Each Cartridge yields (approx.): 12,500 pages. Original HP toner cartridges are specially designed to work with your printer to consistently deliver standout results throughout the life of your cartridge. Ensure that your printing is right the first time and every time with HP printer toner: 508X toner. What's in the box: Two New Original HP 508X (CF360X) toner cartridge Color: Black.