Dell 5330dn Service Manual page 52

22. Unplug the harness from the Main board.
Remove the LSU unit.
23. Remove the FPCPS(fuser press control
power) board after remove the 3 screws.
24. Remove the HVPS board after remove
the 8 screws and all harness.
Service Manual
Disassembly and Reassembly
3-12