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. Separate image drum for lower running costs . Image drum and toner cartridge for each colour . Configuration assists high-speed, single pass printing . Designed specifically for use with Oki's colour printers . New image drum designed to compliment new spherical toner cartridge for superior print quality results .