Shop At 247 &reg; Compatible Toner Cartridge Replacement for Canon 131 Color Set MF8280cw LBP-7110cw ( 1 Black, 1 Cyan, 1 Yellow, 1 Magenta, 4-Pack) 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 1,500 Pages at a 5% Coverage These replacement cartridges were professionally manufactured in an ISO 9002 factory