Brother HL-L9300CDW Service Manual page 193

9.16.1.1 Panel case ASSY/Key PCB flat cable/LCD panel ASSY
(1) Release the Hook and remove the Flat core from the Panel cover case lower.
(2) Pull out the Flat core from the Panel relay PCB flat cable.
(3) Remove the Taptite cup B M3x10 screw and remove the FG wire.
Taptite cup B M3x10
FG wire
Panel cover case lower
Hook
Fig. 3-55
3-52
Panel relay
PCB flat cable
Flat core
Confidential