HP 934 Black Original Ink Cartridge (C2P19AE)

The HP 934 Black Original Ink Cartridge produces reliable professional-quality documents at a great value. The resulting crisp black text dries instantly and resists water and smears.A 934 Black Original Ink Cartridge yields about 400 pages and is compatible with the following printers:- HP OfficeJet 6820- HP OfficeJet Pro 6230- HP OfficeJet Pro 6830HP 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.