C530 Toner - Yellow ‘Y’ 5k - for use with OKI 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 MC 561 DN, OKI C 531 DN, OKI MC 562 DN, OKI C 530 DN, OKI C 511 DN, OKI MC 562 DNW, OKI C 510 DN