HP 507A (CE401A) Cyan 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. Original HP toner cartridges produce an average of 71% more usable pages than non-HP cartridges. Cartridge yield (approx.): 6,000 pages. HP ColorSphere technology delivers consistent, professional color on marketing, financial, design, and engineering documents 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 (CE401A) toner cartridge Color: Cyan