Count on this high-yield, Original HP toner cartridge with JetIntelligence for high quality at fast speeds in your HP LaserJet Enterprise MFP M631, M632, M633 series; LaserJet Enterprise M608 and M609 series. Look professional on every page with vibrant, high-quality prints that stand the test of time. Page maximizer technology delivers more pages per cartridge than before. Intelligently track toner levels with print-gauge technology to help ensure you get the pages you paid for. Innovative, anti-fraud technology helps ensure you’re getting authentic HP quality. Quickly replace your cartridges with auto seal removal and easy-open packaging. Maximize efficiency with this toner cartridge specially designed to work best with your HP LaserJet Enterprise. The HP 37X cartridge yields approximately 25,000 pages.