This pack of four Samsung colour and black toner cartridges contains everything you need for quality and reliability in your prints from your Samsung CLP-415, CLX-4195, C1810 and C1860 laser printers. Containing 1 each of black, cyan, magenta, and yellow toners, ideal for high volume print users and is cheaper than buying four single toners separately. Each colour cartridge features a yield of up to 1,800 pages, the black cartridge has a yield of 2,500 pages.