Installing Options

• Antenna Cap

B Turn off the power of the printer, and then unplug the printer's power cable and the interface cable.

C If the duplex unit is attached, push down the lever on right side () and 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.

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