Original HP 147A Toner Cartridges deliver legendary HP print quality. HP 147 toner cartridges work with: HP LaserJet Enterprise Flow M636; HP LaserJet Enterprise M611, M612, M635, M636 1 Black (~10,500 pages) Original HP black-and-white printer toner cartridges tested produced, on average, 11% more usable pages than non-HP cartridges.* Reliable printing you can trust Ideal for enterprise work groups and high-volume printing. Three cartridge sizes are offered for your HP LaserJet 600 Series printer. Depend on Original HP 147A Toner Cartridges designed specifically for your HP printer. HP 147A Black Original LaserJet Toner Cartridge; Recycling guide Ideal for enterprise work groups and high-volume printing. Three cartridge sizes are offered for your HP LaserJet 600 Series printer.Count on Original HP Toner cartridges with JetIntelligence to deliver high-quality pages at fast speeds, plus affordable high-yield options[1] and innovative anti-fraud technology to enable the consistent HP qua