Working in harmony with your C711 printer in order to provide you with the best results, this yellow image drum is an essential product for anyone looking for reliable printing. OKI knows its machines better than anyone else, allowing it to create these quality products with superlative quality. With easy installation into your printer, this product is essential for everyone that cares about getting the best quality prints without difficulty. This drum is designed for a high lifespan of 20,000 pages.