See "Printing with the Duplex Unit" on page 65 for information about duplex printing.
Removing the Duplex UnitFollow these steps to remove the optional Duplex Unit.
1.Turn the printer off and unplug the power cord and interface cable.
2.Loosen the two screws on the lower sides of the Duplex Unit.
3.Press the unlock button to unlock the hooks, then remove the unit from the printer.
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