HP DeskJet 6122 Ink Cartridges

The HP DeskJet 6122 uses two ink cartridges. Black is HP 45 (51645A), a standard cartridge rated at about 1,100 pages. Tri-color is HP 78 (C6578AN), also standard, at about 710 pages. Both are compatible ink cartridges. The same supplies also fit the DeskJet 930C, DeskJet 950C and DeskJet 960C. Same-day shipping on most orders.