Canon Canon TG-56 GPR-42 Black Toner Cartridge works with your Canon machine to deliver high quality print results. Each cartridge contains ChromaLife 100 ink which ensures your prints maintain their colour and vibrancy.�You can rely on the consistency of this Canon TG-56 GPR-42 Black Toner Cartridge as it is engineered to Canons' exacting manufacturing standards to produce high-quality text and a wide array of dense solids and graded hues for bold sharp print, making it ideal for printing professional documents, graphs, reports, photo imaging and more.�This Canon TG-56 GPR-42 Black Toner Cartridge is especially designed for use in Canon printers, ensuring that they produce quality printouts. This is easy to install so you can do it yourself.�100% warranty. Easy to install and exceptional print quality time after time print after print.