This four colour pack of Samsung CLP-300 Toner Cartridges (CLP-P300C/ELS) contain everything you need for vibrant prints from your Samsung CLP-300 series laser printer. When you see a flashing red light on the colour indicators, a toner cartridge is running low. With this pack of black, cyan, magenta and yellow cartridges, you can keep a spare handy. Each colour cartridge features a page yield of up to 1,000 pages, while the black cartridge yields up to 2,000 pages.