Kyocera Ecosys P4040dn Operation Manual page 286

Main Controller Board
2
A
A
4
Pull out the main controller board gently.
5
Unscrew two screws, and remove the plate.
6
Remove the main controller board rail.
1
7
Attach the plate included with the option and fix it with 2 screws.
8
Attach the Parallel Interface Kit to the plate.
A-12
Appendix