The 2040 Fixing Drive Gear (Set of 5 Pc) is a set of replacement gears used in the Canon imageRUNNER 2040 series of multifunction printers, specifically in the fuser unit. These gears are responsible for transmitting the mechanical energy required to drive the fuser rollers, which play a critical role in the process of bonding toner to paper during printing. Features: Material: The Fixing Drive Gears are typically made from durable plastic or a combination of plastic and metal. These materials are designed to withstand the mechanical stresses and heat involved in the fusing process, ensuring long-term durability. Set of 5 Pieces: The gears are sold as a set of five pieces, allowing for the replacement of multiple gears if necessary. This ensures that the fuser unit's drive system remains functional and smooth.