Lexmark X850E - Operator Panel Controller Card Assembly Removal

Repair information 4-139
7500-XXX
Operator panel controller card assembly removal
1. Remove the operator panel assembly. Go to “Operator panel assembly removal” on page 4-136.
2. Remove one screw securing the ground wires (A) to the rear of the operator panel assembly (B).
3. Remove the six screws securing the bottom cover (C) to the operator panel assembly (B).
4. Remove the bottom cover (C) from the operator panel assembly (B).
Warning: Be careful when removing ribbon connections to avoid damage.
5. Remove the three connections from the operator panel controller card assembly (D).
6. Remove the four screws securing the operator panel controller card assembly (D) to the operator panel
assembly (B).
7. Remove the ground wire (A).
8. Remove the operator panel controller card assembly (D).
Note: Before reinstalling the operator panel controller card assembly (D), ensure that all connections are
properly replaced.
Note: Before reinstalling the operator panel assembly (B), ensure that all ground wires (A) are properly
replaced.175
Connectors
B
D
A
C
A
B