Dell B2375dnf Mono Multifunction Printer - Manual (Page 349)

Installing Printer Accessories
Never remove the control board while the printer is plugged in.
To avoid the possibility of an electrical shock, always disconnect the power cord when
installing or removing ANY internal or external printer option.
The control board is sensitive to static electricity. Before installing or removing an internal
cord, discharge static electricity from your body by touching something metal on any
device plugged into a grounded power source. If you walk around before finishing
installation, discharge any static electricity once again.
Installing an Optional Tray 2
You can increase the paper handling capacity of your printer by installing an optional tray 2.
This tray holds 250 sheets of paper.
1 Power the printer off and unplug all cables from the printer.
2 Remove the packing tape.
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