Compatible with: FaxPhone L100, FaxPhone L190 imageClass: D530, D550, MF4412, MF4420n, MF4450, MF4550, MF4550d, MF4570dn, MF4570dw, MF4580dn, MF4770n, MF4880dw, MF4890dw Page Yield* per Cartridge: 2,100 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) Installing the compatible Canon 128 is the same as installing an original Canon 128 / 3500B001AA cartridge. It should fit and install the same as an OEM cartridge. Professionally manufactured by LD Products. Canon is a registered trademark of Canon and is not affiliated with and does not endorse LD Products. Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.