Brother LC3717BK Ink Cartridge, Black

Phaser 6121MFP, Standard Capacity Magenta Toner Cartridge (1500 pages) for Phaser 6121MFP. Xerox Phaser 6121MFP, Standard Capacity Magenta Toner Cartridge (1500 pages) for Phaser 6121MFP is specially formulated and tested to provide the best image quality and most reliable printing you can count on page after page. Xerox Genuine Supplies and Xerox equipment are made for each other. Accept no imitations.