Lexmark yellow return program toner cartridge high yield c7700yh keep printing high quality documents for longer with your c770 or c772 laser printer by installing a genuine lexmark high yield laser toner cartridge when your printer displays an88 yellow toner low message make sure you order a replacement cartridge before the toner is exhausted you can quickly swap the old cartridge for a new one and restart printing at a moment39s notice this high capacity cartridge prints up to