Compatible Toner Cartridge Replacement for Canon 128, 3500B001AA, CRG-128 ImageClass D530,D550,MF4412,MF4420nm,MF4450,MF4550,MF4550d,MF4570dn,MF4570dw,MF4580dn,MF4770n, MF4880dw,MF4890dw Black 5-pc Shop At 247 brand cartridge is sold exclusively by Shop At 247 Shop At 247 offers One-Year Warranty against defects Shop At 247 offers 180 Days Money Back Guarantee Page Yield Up to 2,100 Pages at a 5% Coverage These replacement cartridges were professionally manufactured in an ISO 9002 factory