Lexmark T632 and T634 print cartridges are uniquely designed to deliver quality documents at the faster print speeds of Lexmark T632 and T634 printers. The supplies are designed for easy customer installation and quality performance, from the first page to the last. As with all Lexmark supplies, T632 and T634 supplies guarantee excellent performance and the highest quality documents, page after page.The 32, 000 page High Yield Print Cartridge reduces the frequency of replenishment for customers with high print volume.T632 and T634 Extra High Yield Print Cartridge is not compatible with other Lexmark Printers including the T630.