This is a high quality compatible HP CE400X High Capacity  Black  Laser Toner compatible with the following printers:
Hewlett Packard M Series Printers:
HP Color LaserJet M551dn, HP Color LaserJet M551n, HP Color LaserJet M551xh, HP Color LaserJet M570dn, HP Color LaserJet M570dw, HP Color LaserJet M575dn, HP Color LaserJet M575f
 
The black laser toner has a page yield of 11000 all three colors have a page yield of 6000
Using a compatible Laser Toner gives you excellent printout quality without the high prices! Images used are for illustration purposes only.