HP 507A (CE403A) Magenta 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. Operating temperature range 10 to 30C,Storage temperature range -20 to 40C.Original HP toner cartridges produce an average of 71% more usable pages than non-HP cartridges. Cartridge yield (approx.): 6,000 pages 507A toner is designed to work with your HP printer for high quality, reliable results every print. What's in the box: New Original HP 507A (CE403A) toner cartridge Color: Magenta