Enjoy great performance from your Samsung CLP-510 colour laser printer for longer by installing a genuine Samsung Cyan Toner Cartridge (CLP-510D5C/ELS). Your printer will display the message 'Cyan Low Toner' when the current cyan cartridge is running low. Order a replacement as soon as possible and install it when you see the message 'Replace Cyan Toner'. This high capacity cartridge contains extra toner for a page yield of up to 5,000 pages.