1 2 3 4 5 Figure 1-2 Back and side view 8 Chapter 1 Product information ENWW 1 On/off switch 2 Power connection 3 EIO slot (available on the HP Color LaserJet 3000 and 3800 Series printers) 4 Hi-Speed USB 2.0 port 5 Network port (available on the HP Color LaserJet 3000n, 3000dn, 3000dtn, 3600n, 3600dn, 3800n, 3800dn, and 3800dtn printers)