The v4ink Compatible 121 Black Toner Cartridge CRG121 CRG121 3252C001 Replacement is a high-quality printing solution designed for use in Imageclass D1650 and Imageclass D1620 printers. With a page yield of up to 5000 pages, this black toner cartridge in a pack of four is compatible with the specified models and ensures crisp, clear printing results. This product, manufactured by V4INK, offers convenience and reliability in producing professional-quality documents and images with ease.