Internal USB Ports
HP Part# B5L28A
USB/Firewire Adapters – Connectivity Kit - China - Parts Only - HP Color LaserJet Printers: - M552dn - M553n - M553dn - M553x - M553dh - M553dnm - M553xm - M604n - M604dn - M605n - M605dn - M605x - M606dn - M606x - M605dnm