Lexmark 78C1XK0 Black Extra High-Yield Toner Cartridge — 8,500 Pages | Fits CS421/CS521/CS622/CX421/CX522/CX622/CX625

High-capacity replacement toner: Lexmark 78C1XK0 black cartridge with an extra high-yield of 8,500 pages. Compatible printers: CS421, CS521, CS622, CX421, CX522, CX622, CX625. 100% satisfaction guaranteed. For convenient end-of-life disposal, scan the QR code to access hassle-free recycling. Related part numbers: 78C1XK0, 78C0X10, 78C0XKG, 78C1XKE.