HP LaserJet Pro 4001dw Monochrome Wireless Printer - Manual (Page 13)

Figure 1-7 Printer rear view
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5
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Number Description
1 USB port (for job storage and private printing)
NOTE: This port should remain covered when not in use.
2 USB interface port
3 Ethernet port (network models only)
4 Power connection
5 Tray 3 (optional)
NOTE: Tray 3 extends when legal-size or A4-size paper is loaded.
6 Dust cover for Tray 2
NOTE: Dust cover flips up when legal-size or A4-size paper is loaded.
7 Rear door (access for clearing jams)
Control panel view
Identify the buttons and lights on the printer control panel.
4 Chapter 1 Printer overview