The Original HP B5L37A Toner Collection Unit provides reliable high-quality laser prints with page yields up to 54,000 pages.These Original HP B5L37A Toner Collection Units are designed to work with the following HP printers:HP Color LaserJet Enterprise M553nHP Color LaserJet Enterprise M553dnHP Color LaserJet Enterprise MFP M577dnHP Color LaserJet Enterprise M553xHP Color LaserJet Enterprise M552dnHP Color LaserJet Managed MFP M553dnmHP Color LaserJet Enterprise Flow MFP M577zHP Color LaserJet Enterprise Flow MFP M577cHP Color LaserJet Managed MFP M577dnmHP Color LaserJet Enterprise M553dhHP Color LaserJet Managed M553xmHP Color LaserJet Enterprise MFP M577fGenuine HP printers and toners are engineered to work as a system to provide crisp text and vivid images! Bold and sharp text. Consistent performance. Higher page yield. High quality printing. Professional graphics. Fast and reliable printing experience at the utmost quality. Safe for your printer.