HP 29X (C4129X) Black High Yield Original Toner Cartridge for HP LaserJet 5000 5100 HP 29X (C4129X) toner cartridges work with: HP LaserJet 5000, 5100. Save up to 25% with high-yield HP toner. Original HP Cartridge Yield (approx): 10,000 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 29X (C4129X) toner cartridge Color: Black