Original Canon BCI-15 Black and Color Ink Cartridge-4 Pack
HP 65 Ink Cartridge - HP 65 Black Ink Cartridge @ $20.95
Amazon.com: HP 902 Black Ink Cartridge | Works with HP OfficeJet 6950, 6960 Series, HP OfficeJet Pro 6960, 6970 Series | Eligible for Instant Ink | T6L98AN : Office Products