20. Unplug the power cable.
*: Do not insert or remove main PWB
assembly while machine power is on.
Doing so may cause damage to the
machine and the main PWB.
21. Remove five screws and then pull the
main PWB assembly out forward.
22. Release the wires and FFC from hooks.
23. Release the fixing hook and thenre-
move the wire guide.
Main PWB assembly
Figure 1-5-141
Fixing hook
Wire guide
FFC
Figure 1-5-142
1-5-77
2P7/2R0/3PN
Screw
Screw
Screw
Hooks
Hook
Wire
Screw
Screw