HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 18)

Product views
● Product front view
● Product back view
● Interface ports
● Serial number and model number location
Product front view
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1 Automatic document feeder
2 Document-feeder output bin
3 Walk-up USB port (for printing and scanning without a computer)
4 Control panel with color touchscreen graphical display
5 On/off button
6 Optional Tray 3
7 Tray 2
8 Tray 1
9 Front-door-release button (access to the toner cartridge)
10 Output-bin extension for long paper
11 Standard output bin
12 Handle to raise the scanner lid
4 Chapter 1 Product introduction ENWW