Lexmark X734de Service Manual page 416

7526
Installation notes:
1.
Loosely attach the two mounting screws (A).
2.
Set the system board shield in place.
Note: Check that the ribbon cables do not rub against the edges of the frame.
3.
Replace the remaining system board shield screws in the following order:
•
Replace the five screws (B) from the inner right side of the support shield.
•
Tighten the two mounting screws (A) to the top of the support shield.
•
Replace the three screws (C) from the bottom of the support shield.
•
Replace the five mounting screws (D) to the outer left side of the printer.
Note: Be sure to connect the printhead ground cable (E) to the fourth screw from the top.
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Service Manual