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, HP 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. Print-gauge technology dependably tracks toner levels. 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.