Lexmark Compatible 78C1XK0 / 78C10 Black High-Yield Toner Cartridge — 8,500 Pages for CS421 CS421dn CS521dn CS622 CS622de CX421 CX522 CX522ade CX622 CX622ade CX625ade (Black, 1Pack)

Compatibility: Ready to use out of the box, this compatible toner fits Lexmark models CS421, CS421dn, CS521dn, CS622, CS622de, CX421, CX522, CX522ade, CX622, CX622ade, and CX625ade. Please verify your printer model before ordering to ensure correct fit. Yield & Savings: The high-capacity 78C1XK0 / 78C10 black cartridge delivers an approximate 8,500-page yield, providing strong cost-efficiency and fewer replacements (A4 paper, 5% coverage). Print Performance: Designed for dependable everyday printing at home or in the office — documents, presentations and graphics come out consistently sharp. Manufactured to avoid common printing issues and not harm your printer. Installation & Quality: Simple to install without special tools or professional service. Produces deep blacks, smooth output and stable performance with broad compatibility. Reminder & Support: Before purchase, confirm the compatible model and also obtain the corresponding waste toner cartridge as needed. After buying, you can send us your printer model or a photo to help confirm the correct cartridge. If you have any questions, contact us via Amazon.