Brother GTX-4 Service Manual page 372

(7) Unhook the latches of the two clamps of the FFC support bracket located on the top rear inside the main unit to
disconnect the FFC.
(8) Open the two M-shaped clamps on the top rear inside the main unit to disconnect the FFC.
(9) Detach the carriage PCB cover on the top of the carriage circuit board.
7
(10) Detach the cord holder fixing the relay connector harness leading to the encoder.
(11) Disconnect the relay connector leading to the encoder.
(12) Remove the screw fixing the head ground wire to detach it.
(13) Disconnect the relay connectors extending from the color and white heads.
12
(14) Unhook the latches of the two FFC clamps located on the rear of the carriage circuit board bracket to disconnect
the FFC.
FFC support bracket
8
13
10
11
Carriage circuit board bracket
14
Disassembly / Replacement / Adjustment
6-181
9