Tips: Click coupon for a discountPackage Contents2-Pack Compatible HP Toner Cartridges 78A CE278A, Black78A CE278A Toner Cartridges Compatible HP Printer ModelsHP Pro M1536 M1536dnfHP Pro M1537dnf M1538dnfHP Pro M1539dnfHP Pro P1560 P1566HP Pro P1606 P1606dn30% More Page YieldUp to 5,600 pages yield of 2-Pack Compatible HP Toner Cartridges 78A CE278A (added 30% more toner in each Toner Cartridge); lower price but higher page yield, you save much more than 30% cost.Clear & Non-Fading PrintoutsSpherical toner, creating solid printouts, sharp & non-fading for years, suitable for office work in schools, hospitals, government, trading companies, finance companies and more.Reliable QualityEngineered without defects, such as bleeding, smudging, streaks (banding) or blurry printouts.