Figure 1-3. HP LaserJet 3020 all-in-one hardware components 1 Automatic document feeder (ADF) input tray 2 Flatbed scanner lid and ADF output bin 3 Control panel 4 Print-cartridge-door release 5 Output bin 6 Priority input tray 7 Media input tray 8 Parallel port 9 USB port 10 Power switch 11 Power receptacle Figure 1-4. HP LaserJet 3030 all-in-one hardware components 1 Automatic document feeder (ADF) input tray 2 Flatbed scanner lid and ADF output bin 3 Control panel 4 Print-cartridge-door release 5 Output bin 6 Priority input tray 7 Media input tray 8 Parallel port 9 USB port 10 Fax interface ports 11 Power switch 12 Power receptacle 6 Chapter 1 Product Information ENWW