The HP 950XL Black Ink Cartridge gives you the ability to produce professional documents.High yieldWith a 2300 page yield, the HP 950XL is perfect for those who need to print frequently, giving you laser-quality text at a lower price.Eco-consciousNot only does the HP 950XL go a long way, the cartridges are easily recycled, so you can be environmentally friendly in your printing.Compatible printers- HP OfficeJet Pro 251dw- HP OfficeJet Pro 276dw- HP OfficeJet 8100- HP OfficeJet Pro 8600 series: 8600, 8610, 8615, 8620, 8640HP 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.