Lexmark T520 Service Manual - Page 179
Controller Board Removal, Remove the USB port mounting screws C, if present.
UPC - 734646620000
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4520-xxx Controller Board Removal 1. Remove the inner EMC shield. 2. Remove the controller board mounting screws (A). 3. Remove the controller board parallel port mounting screws, if installed. 4. Remove the USB port mounting screws (C), if present. 5. Remove the serial port mounting screws if present. 6. Remove the controller board. Repair Information 4-17
Repair Information
4-17
4520-xxx
Controller Board Removal
1.
Remove the inner EMC shield.
2.
Remove the controller board mounting screws (A).
3.
Remove the controller board parallel port mounting screws, if
installed.
4.
Remove the USB port mounting screws (C), if present.
5.
Remove the serial port mounting screws if present.
6.
Remove the controller board.