Speedy Inks - Compatible Dell E525 E525w 4pk Toner Set 593BBJU 593BBJV 593BBJW 593BBJX For use in: Dell E525w Page Yield: Black: 2,000 | Color: 1,400 Shelf Life: 24-36 months Color: Black, Cyan, Yellow, & Magenta The use of aftermarket replacement cartridges and supplies does not void your printer's warranty