Interface ports 1 2 3 4 5 6 7 6 Chapter 1 Product Information ENWW 1 Fax port (HP LaserJet M3027x and HP LaserJet M3035xs only) 2 Network connection 3 Foreign interface harness (FIH) port 4 Type A Hi-Speed USB 2.0 connection for adding accessories 5 Power connection 6 Type B Hi-Speed USB 2.0 connection for printing 7 EIO slot