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7 Connect the hard disk interface cable to the controller board, and then attach the access cover.
8 Connect the power cord to the printer, and then to the electrical outlet.
CAUTION—POTENTIAL INJURY: To avoid the risk of fire or electrical shock, connect the power cord
to an appropriately rated and properly grounded electrical outlet that is near the product and easily
accessible.
9 Turn on the printer.
Installing optional trays
Note: Depending on your printer model, you may install a 650‑sheet duo tray or both the 650‑sheet duo tray
and 550‑sheet tray.
CAUTION—SHOCK HAZARD: To avoid the risk of electrical shock, if you are accessing the controller
board or installing optional hardware or memory devices sometime after setting up the printer, then turn
the printer o, and unplug the power cord from the electrical outlet before continuing. If you have any
other devices attached to the printer, then turn them o as well, and unplug any cables going into the
printer.
1 Turn o the printer.
2 Unplug the power cord from the electrical outlet, and then from the printer.
Upgrading and migrating 167
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