This is a Compatible Canon 4234A003AB GPR-4 Black Laser Toner Cartridge guaranteed to perform with Canon Laser Printers. It replaces the original Canon GPR4 Laser Toner Cartridge. The compatible replacement 4234A003AB Laser Toner Cartridges and supplies also known as generic are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM Original Equipment Manufacturer standards for the GPR-4 and offer high-quality printing results. Manufactured 100% brand new, containing only new components, they are an economical alternative to expensive OEM 4234A003AB Canon Laser Toner Cartridges and supplies, and offer big savings over brand-name GPR4 Laser Toner Cartridges and supplies. The use of compatible replacement Laser Toner Cartridges and supplies does not void Printer Warranty. 1650 grams The 4234A003AB replaces part #s 4234A003AB and F42-4101-700. We offer a Two Year 100% Quality Satisfaction Guarantee on our Compatible 4234A003AB GPR-4 / GPR4 Laser Toner Cartridges and supplies. For use in the following printers Laser ImageRunner 6000, Laser ImageRunner 5000.