Figure 1-1 Front view (HP Color LaserJet CP4005dn with optional 500-sheet feeder shown) Figure 1-2 Back/side view (HP Color LaserJet CP4005dn with optional 500-sheet feeder shown) 1 Formatter board 2 Upper formatter board tab ENWW Printer walkaround 13 1 Duplexer 2 Top cover 3 Control panel 4 Front cover (access to print cartridges, transfer unit, and fuser) 5 Tray 1 6 On/off switch 7 Tray 2 8 Optional Tray 3