Designed by Canon engineers and manufactured in Canon facilities, this genuine Canon toner cartridge is developed using precise specifications so you can be confident that your Canon device will produce high-quality results consistently. Canon S-Toner produces a highly detailed toner image and helps ensure a precise transfer performance. The Single-Cartridge System combines the toner and drum into the same unit, which means you only have one consumable to replace. Cartridge works in the Canon imageClass LBP312dn. It yields approximately 10,000 pages.