- Hewlett-Packard Color LaserJet Printer Owner's Manual

Back/side view
1outputbin
2on/offswitch
3 Tray 3 (optional)
4 Tray 4 (optional)
5 EIO connection (quantity 3)
6 FIR (Fast infrared) connection
7 parallel connection
8 power connection
EN_WW Walk around 11