This is a high quality compatible HP C4149A-C4152A Rainbow Pack Laser Toners compatible with the following printers:Hewlett Packard Color LaserJet Printers:HP Color LaserJet 8500, HP Color LaserJet 8500dn, HP Color LaserJet 8500n, HP Color LaserJet 8550, HP Color LaserJet 8550 mfp, HP Color LaserJet 8550dn, HP Color LaserJet 8550gn, HP Color LaserJet 8550n The Black Laser Toner has a page yield of 17000 all three colours have a yield of 8500Using a compatible Laser Toner gives you excellent printout quality without the high prices!Images used are for illustration purposes only.