Canon GPR-42 Black Toner Cartridge 4791B003AAThe Canon GPR 42 Black Toner Cartridge (4791B003AA) is an original OEM cartridge designed for high performance in laser printers. With a yield of up to 20,000 pages, it's ideal for busy offices and businesses with consistent printing needs. This genuine Canon toner ensures sharp, professional quality prints and reliable results throughout its lifespan. Compatible with select Canon printers, it is easy to install and maintain.