7 Print cartridge door 8 Priority input tray 9 Side media guides for the priority input tray 10 Media support for the main input tray 11 Main input tray 12 Side media guides for the main input tray (inside cover, not shown) Back and side view 1 2 7 3 6 4 5 Figure 2. Back and side view 1 Left side panel 2 Straight-through output door 3 USB port 4 Parallel port 5 Power receptacle 6 Power switch (220-240 volt units) 7 LIU (hp LaserJet 3330mfp only...not shown in graphic) EN Overview of product 17