Brother MFC-J6520DW

4-19
Confidential
4 IF YOU REPLACE THE PANEL ASSY, TOUCH PANEL, LCD UNIT OR
LCD PCB ASSY
<Operations>
4.1 Adjust the touch panel (Maintenance mode 78)
(Not required after replacement of the LCD unit)
4.2 Check LCD operation (Maintenance mode 12)
(Not required after replacement of the touch panel)
4.3 Check the operation of the control panel keys (Maintenance mode 13)
(Not required after replacement of the touch panel or LCD unit)
<Requirements>
(1) Stylus for touch panel
4.1 Adjust the touch panel (Maintenance mode 78)
(Not required after replacement of the LCD unit)
Adjust the touch panel, referring to Chapter 5, Section 1.3.31 "Adjustment of Touch
Panel."
4.2 Check LCD operation (Maintenance mode 12)
(Not required after replacement of the touch panel)
Check the LCD operation, referring to Chapter 5, Section 1.3.7 "Operational Check of
LCD."
4.3 Check the operation of the control panel keys (Maintenance mode 13)
(Not required after replacement of the touch panel or LCD unit)
Check the operation of the control panel keys, referring to Chapter 5, Section 1.3.8
"Operational Check of Keys on Control Panel."