Original HP inkThe HP 301XL Black Ink Cartridge offers up to 2.5 times more output than standard cartridges. It gives you laser-quality black text and sharp images that won't fade for decades.HP Instant InkSave up to 70% on ink with HP's Instant Ink service. When your printer is running low, it automatically orders more ink cartridges, so you don't have to order them yourself.The service works on how many pages you print, not how much ink you use. You can choose from a range of monthly page plans, and unused pages roll over to the next month. The price includes ink, shipping and cartridge recycling.Compatible printers: - HP DeskJet 1000 series - HP DeskJet 1500 series - HP DeskJet 2000 series - HP DeskJet 2500 series - HP DeskJet 3000 series - HP ENVY 4500 series - HP ENVY 5500 series - HP OfficeJet 2600 series - HP OfficeJet 4600 series