Stay productive, keep your printer up and running smoothly with the HP Color LaserJet Toner Collection Unit.Compatible Printers: HP Color LaserJet Enterprise M 552 dn, HP Color LaserJet Enterprise M 553 dn, HP Color LaserJet Enterprise M 553 n, HP Color LaserJet Enterprise M 553 x, HP Color LaserJet Enterprise MFP M 577 f, HP Color LaserJet Enterprise MFP M 577 dn, HP Color LaserJet Enterprise Flow MFP M 577 c, HP Color LaserJet Managed M 553 dnm, HP Color LaserJet Enterprise M 553 Series, HP Color LaserJet Managed M 553 xm, HP Color LaserJet Enterprise M 553, HP LaserJet Managed Flow MFP E 52545 dn, HP LaserJet Managed E 50045 dw, HP LaserJet Managed Flow MFP E 52545 c, HP Color LaserJet Mangaged Flow MFP M 577 cm, HP Color LaserJet Managed MFP M 577 dnm, HP Color LaserJet Managed MFP M 577 Series, HP LaserJet Managed Flow MFP E 52545 hxn, HP Color LaserJet Managed M 550 Series