Brother MFC640CW Service Manual page 112

Disassembly of the control panel ASSY
1) Place the control panel ASSY upside down.
2) Pull the "X" latch outwards to release the front edge of the control panel PCB L and remove it
to the front. Remove the rubber keypad L.
3) Pull the two "Y" latches outwards to release the front edge of the control panel PCB R and
remove it to the front. Remove the rubber keypad R.
Remove the scanner open sensor actuator. The actuator spring also comes off.
Control panel PCB R
Rubber keypad R
Search/Speed Dial
Sensor actuator spring
Scanner open sensor actuator
Reassembling Notes
• When setting the control panel ASSY back to the scanner cover, pass the panel-center panel
harness through the square opening provided in the scanner cover (see the illustration on the
previous page.)
Control panel PCB L
Control panel (placed upside down)
(Front)
"Y" latches
5 - 2 6
Panel-center panel
harness
Rubber keypad L
"X" latch
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