HP 507X (CE400X) Black High Yield Original Toner Cartridge for HP LaserJet Enterprise 500 551 570 575 HP 507A (CE400A) toner cartridges work with: HP LaserJet Enterprise 500, 551, 570, 575. Save up to 25% with high-yield HP toner. Cartridge yield (approx.): 11,000 pages Original HP toner cartridges produce an average of 71% more usable pages than non-HP cartridges. What's in the box: New Original HP 507X (CE400X) toner cartridge Color: Black. Storage temperature range: -20 to 40C