HP LaserJet 4050n Black High Yield Toner Cartridge, Genuine (G8188)
Amazon.com: 1-Pack ColorPrint Compatible Toner Cartridge 4050n Replacement for HP C4127X 27X 4127 X 27A C4127A Used for Laserjet 4000 4000n 4000se 4000t 4000tn 4050 USB-MAC 4050 se 4050t 4050tn Printer (Black) :
HP Laserjet 4050N 4050 Network Laser Printer NEW TONER 88698769966 | eBay
Sharp MX-60NTCA Toner - JTF Business Systems
Amazon.com: TCT Premium Compatible Toner Cartridge Replacement for HP 27X C4127X Black High Yield Works with HP Laserjet 4000 4000N 4000SE 4000T 4000TN 4050 4050N Printers (10,000 Pages) - 2 Pack : Office Products