Product description Model HP C8061X Remanufactured COMPATIBLE Toner Cartridge Color Black Cartridge duty cycle 10,000 pages @ 5% Coverage Smart Chip: YES Printers Compatible with C8061X Black Toner Cartridge HP LaserJet 4100 HP LaserJet 4100 mfp HP LaserJet 4100dtn HP LaserJet 4100n HP LaserJet 4100tn HP LaserJet 4101 mfp C8061X 8061 8061X C8061