Printer-Express XL Toner Cartridge 11,000 Pages Replaces HP CE400X, CE 400X, 507X, 507A for HP Laserjet Enterprise 500 Color M 551 / MFP M 570 / M 575 Series Black

Toner colour: black, black.
Suitable printers: HP LaserJet Enterprise 500 colour M 551 dn, M 551n, M 551, M 551xh, M 575c, M 575dn, M 575f, M 575, MFP M 575c, MFP M 570dn, MFP M 570dw, 500 Series.
Alternative toner for: HP CE400X, CE 400X, CE400A, CE 400A, 507X, 507A, 507 X, 507 A.