201X (CF400X) Black Toner Cartridges Compatible with HP Color Laser Pro M252dw M252n & MFP M277c6 M277dw M277n — 2-Pack

Package contents: 2-Pack 201X CF400X Black toner cartridges. Page yield: Up to 3200 pages per 201X black cartridge (Letter/A4 at 5% coverage). Compatible printers: Color Laser Pro: M252dw, M252n. Color Laser Pro MFP: M277c6, M277dw, M277n. Quality control: Each cartridge undergoes strict testing before shipping to ensure reliable performance across a variety of printing environments. Support and warranty: This product includes a 12-month warranty and 24/74 customer support with technical advice. If you encounter any problem, please contact the seller directly.