Lexmark X543 Series Service Manual page 224

7525-xxx
5.
Unplug the cables (C) from the motors, and remove all cables from the retainer (D).
Note: Observe the cable routing for reinstallation.
6.
Remove the two screws (E) from the rear.
7.
Remove the two screws (F) from below the main drive gear assembly.
8.
Remove the two screws (G) from the right of the main drive gear assembly.
9.
Lift the main drive gear assembly with motor, and remove.
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Service Manual