HP Universal USB Proximity Card Reader for HP Enterprise 5700dn, Enterprise 6700dn, Enterprise 6701dn, Enterprise Flow MFP 5800zf, Enterprise Flow MFP 6800, Enterprise Flow MFP 6801, Enterprise M455, Enterprise M554, Enterprise M555, Enterprise M751, Enterprise M856, Enterprise MFP 5800, Enterprise MFP 6800dn, Enterprise MFP M480, Enterprise MFP M578, Enterprise MFP M776, Enterprise X654, Enterprise X677, Managed E45028dn, Managed E65160, Managed Flow MFP E786, Managed MFP E47528f, Managed MFP E57540, Managed MFP E78325, Managed MFP E78330, Managed MFP E87640, Managed MFP E87650, Managed MFP E877, Enterprise M406, Enterprise M528, Enterprise M611, Enterprise M612, Enterprise MFP M430, Enterprise MFP M635, Enterprise MFP M636, Managed E40040dn, Managed E50145 Mono Laser, Managed E60155, Managed E60165, Managed MFP E42540f, Managed MFP E62655, Managed MFP E72530, Managed MFP E731, Managed MFP E82540, Managed MFP E82550, Managed MFP E826, PageWide Managed Color MFP E58650, PageWide Managed Color MFP P77940, PageWide Managed P55250 Printers.