Brother MFC-J6510DW

2-90
Confidential
2.4.8.3 Lamps on the control panel does not light
2.4.8.4 Touch panel inoperative (For models with touch panel)
Step Cause Solution
1
Rubber keypad not set in place Reposition the control panel ASSY.
2
Panel-main harness connection
failure
Check the connection and reconnect the harness.
3 Rubber keypad defective Replace the rubber keypad.
4
Control panel PCB defective
Replace the control panel PCB ASSY.
5
Main PCB defective
Replace the main PCB ASSY.
Step Cause Solution
1 Touch panel alignment off
(For models with touch panel)
Adjust the touch panel, using Function code 78.
(Refer to Chapter 5, Section 5.1.4.29.)
2 Touch panel harness connection
failure
Check the connection and reconnect the harness.
3 Touch panel defective Replace the LCD unit.
4 Main PCB defective Replace the main PCB ASSY.