Compatible with: HP Color Laserjet Enterprise CP5525, CP5525n, CP5525dn, CP5525xh, M750n, M750dn, M750xh Page Yield*: Black 13,500* Colors 15,000* *Average printer cartridge Page Yield* in accordance with ISO 19752. *at 5% coverage (ISO/IEC standard) For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance. Set Includes: 4x CE270A Black, 2x CE271A Cyan, 2x CE272A Yellow, 2x CE273A Magenta Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.