This black toner cartridge is the genuine and original OEM product from Lexmark, designed specifically for use with their C544X1KG model. It offers high quality printing and compatibility with other Lexmark printers and related supplies. Its sleek design and black color make it a great addition to any office or home printer setup. Ideal for those in need of a reliable and efficient toner cartridge, this product is perfect for printing professionals and students alike. Its compatible brand ensures that it will work seamlessly with other Lexmark products and its genuine/ original type provides peace of mind that you are receiving a high quality product.