Amazon.com: HP 950 Black/951 Cyan,Magenta,Yellow Ink Cartridges (4-pack) | Works with HP OfficeJet 8600, OfficeJet Pro 251dw, 276dw, 8100, 8610, 8620,8625 8630 Series | Eligible for Instant Ink | X4E06AN : Office Products
HP 950XL High Yield Ink - Black - Original HP Ink Cartridge (CN045AN)
HP® 950XL High Yield Black Original Ink Cartridge (CN045AN#140) - $52.99