Brother MFC-9130CW Service Manual page 274

(6) Release the Lock to disconnect the LED control flat cable from the LED control PCB ASSY.
LED control flat cable
(7) Remove the Flat cable sponge 1 from the LED control flat cable.
Flat cable sponge 1
LED control flat cable
Assembling Note:
When attaching the Flat cable sponge 1 to the LED control flat cable, be careful not to
let the Flat cable sponge 1 extend from the LED control flat cable.
Flat core
6b
LED control PCB ASSY
Fig. 3-153
Fig. 3-154
3-111
Lock
6a
LED control flat cable
Confidential