HP ENVY 5540, 5541, 5542, 5543, 5544, 5545, 5546, 5547, 5548, 5549, 5640, 5642, 5643, 5644, 5660, 5661, 5663, 5664, 5665, 7640, 7643, 7644, 7645; OFFICEJET MOBILE 200, 250, 258; OFFICEJET 5740, 5741, 5742, 5743, 5744, 5745, 5746, 8040 (HP 62)
INK MONITORING TECHNOLOGY
