C530 Toner - Black ‘K’ 5k - for use with OKI C530 Colour LED Printer. All Consumable life cycle’s are MANUFACTURER ESTIMATES based on 5% per page coverage. Recycling program In an effort to improve our environmental responsibilities OKI Printing Solutions have developed a consumables returns programme to allow free return of used consumables.Compatible Printers: OKI C 530 DN, OKI C 510 DN, OKI MC 561 DN