Designed by Canon engineers & manufactured in Canon facilities, this genuine Canon toner cartridge is developed using precise specifications so you can be confident that your Canon device will consistently produce high-quality results. Canon S-Toner produces a highly detailed toner image & helps ensure a precise transfer performance. This high-capacity toner option keeps up with your busy printing needs so you have less replacement effort & more time. The Single-Cartridge System combines the toner & drum into the same unit, which means you only have one consumable to replace. High-yield cartridge works in the Canon imageClass LBP312dn. It yields approximately 20,000 pages.