HP 61X (C8061X) Black High Yield Original Toner Cartridge for HP LaserJet 4100 4101 HP 61X (C8061X) toner cartridges work with: HP LaserJet 4100, 4101. 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 61X (C8061X) toner cartridge Color: Black