HP 826A (CF310A) Black Original LaserJet Toner Cartridge HP 826A (CF310A) toner cartridges work with: HP Color LaserJet Enterprise M855. Original HP toner cartridges produce an average of 71% more usable pages than non-HP cartridges. Cartridge yield (approx.): 29,000 pages 826A toner is designed to work with your HP printer for high quality, reliable results every print. What's in the Box: New Original HP 826A (CF310A) toner cartridge Color: Black