Works With Models: HP ENVY 5540, 5542, 5544, 5545, 5549, 5640, 5642, 5643, 5644, 5646, 5660, 5661, 5663, 5664. 5665, 7640, 7644, 7645,HP OfficeJet 5740, 5741, 5742, 5743, 5744, 5745, 5746, 8040, 8046