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• Antenna Cap
B Turn off the power of the printer, and then unplug the printer's power ca-
ble and the interface cable.
C If the duplex unit is attached, push down the lever on right side ( ) and
then pull out the duplex unit until it stops ( ).
If the duplex unit is not attached, go to the following steps.
D Remove the two screws holding the controller board in place.
❒ Use a coin or similar object if the screws do not turn easily.
❒ These screws are used again in fastening the controller board.