Remove cover, shielding, cartridge carriage and screws holding in the mother board. Position the mother board as in the photo below.
Remove the two screws noted in the photo above (click to zoom). The switch will come out easier if you actually remove the screws rather then just loosening them. Use needle nose pliers if necessary.
Use pliers to remove the plug rather then pulling on on the wires.
As you begin to reassemble, be mindful of the two most common mistakes illustrated below
Mistake #1 poorly routed wires. Be sure that all wires are away from screw holes and pinch points. If wires get crimped in reassembly you could sever power or controller connections.
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