Installing a genuine Lexmark Toner Cartridge (C734A1MG) ensures economical and high-quality output when using your Lexmark laser printer. When you've finished using this toner cartridge, simply place it in the packaging of the replacement and return it using the Lexmark Return Program. You can arrange for a return using the Lexmark website. This standard capacity magenta cartridge ensures economical printing, packed with enough toner for up to 6,000 pages.