Install a Samsung Black Toner Cartridge for outstanding colour and crisp text from your Samsung CLP-770ND or 775ND laser printer. Order a replacement black toner cartridge when you see the message 'Black toner is low' on the printer display. Replace the old cartridge when you see the message 'Black toner is empty' so you can restart printing straight away. This standard yield toner cartridge is packed with enough toner to print 7,000 pages.