To ensure the best quality and performance from your Oki product, only use genuine Oki Original consumables. Designed for precise compatibility with Oki’s products, and manufactured to the highest possible standards, only Oki consumables ensure maximum performance, longevity and ultimate cost-effectiveness. Image drum and toner cartridge for each colour . Colour cartridges and image drums can be replaced easily . Designed specifically for use with Oki’s colour printers . Configuration assists high-speed single pass printing Compatible Printers: OKI C 5510 n MFP, OKI C 5250 N, OKI C 5450 DN, OKI C 5250 DN, OKI C 5540 MFP, OKI C 5510 MFP, OKI C 5450 N, OKI C 5250 Series, OKI C 5250