Lexmark X734de Service Manual page 418

7526
Replace the system board.
6.
a. Place the system board in position.
Note: Check that the mirror motor cable, printhead, and UICC cables do not rub against the edges
of the frame.
Replace the nine screws (E) in the system board in the following order:
b.
Loosely attach the four corners (E1) in a clockwise order, beginning with the left top center.
•
Replace the USB connector screw (E2).
•
• Replace the top center, right center side, and left center side (E3)
Tighten the top left corner and the top right corner.
•
Replace the two screws on the center bottom (E4)
•
Tighten the bottom right and the bottom left corners (E1).
•
Route the cables through the access holes on the right side of the printer.
c.
Service Manual
4-152
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