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Colour: Black. Print yield: up to 5,000 pages. For use in HP LaserJet Enterprise M507dn, M507x, MFP M528dn, MFP M528f, HP LaserJet Enterprise Flow MFP M528z, HP LaserJet Managed Flow MFP E52645c and HP LaserJet Managed MFP E52645dn. LaserJet technology.