HP Color LaserJet Enterprise M651 Printer series - Manual (Page 15)

Interface ports
FI
H
1
2
3
4
5
1 Foreign interface harness (for connecting third-party devices)
2 Hi-Speed USB 2.0 printing port
NOTE: For Easy-access USB printing, use the USB port near the control panel.
3 USB port for connecting external USB devices (this port might be covered)
4 Local area network (LAN) Ethernet (RJ-45) network port
5 Slot for a cable-type security lock
ENWW Product views 7