Use these part numbers when you order or purchase new ink bottles, and use the ink by the date printed on the package:
| Ink Bottle Multipacks | Part number |
|---|---|
| Black (2 bottles) | T544120-2P |
| Cyan, magenta, and yellow (1 bottle each) | T544520-3P |
| Black, cyan, magenta, and yellow (1 bottle each) | T544520-4P |