The Canon NPG-59 Drum Cartridge is a consumable component found in printers and copiers. During the printing process, the drum cartridge is in charge of transferring toner onto the paper. It's always recommended to use genuine Canon replacement cartridges, can result in poor print quality, reduced lifespan of the printer, and potential damage to the device. Depending on usage and other factors, the Canon NPG-59 Drum Cartridge has a yield of approximately 70,000 pages. To ensure optimal print quality and performance, replace the drum cartridge when it reaches the end of its life.