Brother HL-4040CN, HL-4050CDN, HL-4070CDW Service Manual page 88

(11) Release the six Hooks in the order of 11a to 11f. Then, incline the Top cover ASSY 45° to
90° to the left hand side and remove it from the Frame unit.
Hooks
(12) While inclining the Top cover ASSY 45° to 90° to the left hand side, disconnect the
Connector (5pin) from the LCD panel PCB ASSY and the Connector (6pin) from the USB
host relay PCB ASSY.
Connector (6pin)
USB host relay PCB ASSY
Frame unit
Hooks
11c
11f
11e
<Left side>
LCD panel PCB ASSY
11a
Top cover ASSY
11d
Fig. 2-16
Fig. 2-17
2-11
Hooks
11b
Frame unit
Connector (5pin)
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