Compatible Ink for HP OfficeJet Pro 7740 printers, 8210, 8710, 8720, 8730, 8740, 50ml, 2350 pages !!! These cartridges will not currently work with the latest 2329B / 2329BR / 2330B / 2330A update download unless you have manually turned off automatic update downloads. Cartridges working with the latest update will be in stock as soon as possible.!!!