Count on this Original HP toner cartridge with JetIntelligence for high quality at fast speeds. 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 M611, M612 series; Enterprise MFP M634, M635 and M636 series. Cartridge yields approximately 42,000 pages.Count on this Original HP toner cartridge with JetIntelligence for high quality at fast speeds. 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 M611, M612 series; Enterprise MFP M634, M635 and M636 series. Cartridge yields approximately 42,000 pages.