Lamps On The Control Panel Does Not Light; Touch Panel Inoperative (For Models With Touch Panel) - Brother MFC-J6510DW Service Manual

2.4.8.3

Lamps on the control panel does not light

Step
1
Rubber keypad not set in place
2
Panel-main harness connection
failure
3 Rubber keypad defective
4
Control panel PCB defective
5
Main PCB defective
2.4.8.4

Touch panel inoperative (For models with touch panel)

Step
1 Touch panel alignment off
(For models with touch panel)
2 Touch panel harness connection
failure
3 Touch panel defective
4 Main PCB defective
Cause
Reposition the control panel ASSY.
Check the connection and reconnect the harness.
Replace the rubber keypad.
Replace the control panel PCB ASSY.
Replace the main PCB ASSY.
Cause
Adjust the touch panel, using Function code 78.
(Refer to
Check the connection and reconnect the harness.
Replace the LCD unit.
Replace the main PCB ASSY.
2-90
Solution
Solution
Chapter 5, Section 5.1.4.29.)
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