HP 51X - 2-pack - High Yield - black - original - LaserJet - toner cartridge (Q7551XD)

As you print more, HP helps reduce your company's printing costs with an option designed for customers who print high-volumes-HP LaserJet Toner Cartridge Dual Packs. You get the same consistent, professional results and reliable, trouble-free printing of Original HP. And you get double the print volume at a lower price with this convenient, high-value option.