HP 78A (CE278A) Black Original Toner Cartridge HP 78A (CE278A) toner cartridges work with: HP LaserJet Pro M1536, P1606. Original HP toner cartridges produce an average of 71% more usable pages than non-HP cartridges. Cartridge yield (approx.): 2,100 pages 78A toner is designed to work with your HP printer for high quality, reliable results every print. What's in the box: New Original HP 78A (CE278A) toner cartridge Color: Black NOTE: Item does not expire