OKI C711WT Image Drum - CMYWOKI C711WT Image Drum Genuine OKI replacement image drums for the OKI C711WT Laser Printer. The genuine OKI image drums offer the outstanding image quality and sharpness that you expect from your OKI C711WT laser printer. The cyan, magenta, and yellow image drums have an estimated 20,000 page lifespan* and the white image drum has an estimated 6,000 page lifespan*. *Please note these consumable replacement items are compatible and supported only with