Lexmark 12A7400 Toner, 3000 Page-Yield, Black Lexmark 12A7400 print cartridges are uniquely designed to deliver quality documents at the faster print speeds of the new Lexmark E321 E323 and E323N printers. The supplies are designed for easy customer installation and quality performance, from the first page to the last. The 3,000-page Print Cartridge makes an excellent choice for cost-sensitive customers.