The following compatible cartridges are included: 1 HP 305A CE411A Cyan 1 HP 305A CE413A Magenta 1 HP 305A CE412A Yellow Page Yield* Per Cartridge: 2,600* For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance. *Average cartridge Page Yield* in accordance with ISO IEC 24711. *at 5% coverage (ISO/IEC standard) Compatible with HP LaserJet 300 Color MFP M375nw, HP LaserJet 400 Color M451dn, HP LaserJet 400 Color M451dw, HP LaserJet 400 Color MFP M451nw, HP LaserJet 400 Color MFP M475dn, HP LaserJet 400 Color MFP M475dw. Color: Cyan, Magenta, Yellow Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.