This is a compatible Canon 4791B003AA (GPR-42) black laser toner cartridge designed for use with your Canon laser printer. It offers a standard yield of up to 34,200 pages, providing a cost-effective solution compared to the original Canon GPR-42 toner cartridge. Manufactured with new components, this cartridge ensures reliable performance and high-quality printing results. The use of compatible toner cartridges does not void your printer's warranty. Backed by our 100% Quality Satisfaction Guarantee.