Includes 6 Pack black 55X CE255X Compatible Toner Cartridge

Print more and Cost less: 12,500 Pages per toner based on 5% coverage (letter/A4)

Suitable for HP Enterprise MFP M525c M525f M525dn P3015n P3015d P3015dn P3015x Flow M525c Printer; MFP M521dn M521dw Printer.

Reliable printing results: Sharp text, bold blacks and crisp graphics

Perfect partner with your printer. Easy to be installed and recognized