8PK Black CE255A 55A Toner fit for HP LaserJet Pro P3011 P3015X 500 MFP M521DN Features:
Type: Premium Compatible Toner Cartridge (Not OEM)
It is certified with ISO 9001 and ISO 14001

Description:
Warranty: 12 month
Shelf Life : 1 year
Print Technology: Laser
Color: Black
Page Yield: 6,000 Pages at 5% Coverage (4A Paper)Actual toner yield varies with usage, graphics printed and environmental conditions.
Compatible Printer List:

HP LaserJet Enterprise
P3010 P3011 P3015 P3015D P3015DN P3015n P3015X P3016

HP LaserJet Pro 500 MFP
M521DN M521DW M521DX M521DZ

HP LaserJet Enterprise 500 MFP
M525F M525dn M525C

Package Included:
8 Pack CE255A 55A Toner Cartridges