Brother DCP-L5500D Service Manual page 221

(5) Unlock the lock to disconnect the LCD flat cable from the relay PCB ASSY.
(6) Unlock the lock to disconnect the LCD relay flat cable from the LCD relay PCB ASSY.
(7) Release the hook, and remove the LCD relay PCB ASSY from the LCD presser.
LCD
Lock
Lock
LCD relay flat cable
LCD flat cable
LCD relay PCB ASSY
Hook
LCD presser
Fig. 3-55
Harness routing: Refer to "7. Panel unit (3.7 inch model)".
3-61
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