HP OfficeJet Pro 9720e Ink Cartridges

The HP OfficeJet Pro 9720e uses compatible high yield ink that replaces HP 936 black (4S6V6LN) at about 2,500 pages, plus HP 936 cyan (4S6V3LN), magenta (4S6V4LN) and yellow (4S6V5LN) at about 1,650 pages each. A 4-pack of high yield ink is also available. The same ink fits the OfficeJet Pro 9110b, OfficeJet Pro 9117b and OfficeJet Pro 9122e. Same-day shipping on most orders.