CIG Remanufactured High Yield Yellow Toner Cartridge For Color LJ Ent M553DN, M553N, M553X; Color LJ Ent MFP M577DN, M577F; Flow M577C, M577Z (Alternative for CDK 6017879) (9,500 Yield). The non-branded CIG line of imaging products balances world-class performance with competitive pricing. Clover Imaging Group (CIG) offers the widest array of products and services in the aftermarket imaging channel. All CIG products are IP-cleared and manufactured using non-infringing components, and carry a 12-month warranty. ISO certified.