If You Replace The Panel Assy, Touch Panel, Lcd Unit Or Lcd Pcb Assy; Adjust The Touch Panel (Maintenance Mode 78) (Not Required After Replacement Of The Lcd Unit); Check Lcd Operation (Maintenance Mode 12) (Not Required After Replacement Of The Touch Panel); Check The Operation Of The Control Panel Keys (Maintenance Mode 13) (Not Required After Replacement Of The Touch Panel Or Lcd Unit) - Brother MFC-J3520 Service Manual

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
Panel."
4.2 Check LCD operation (Maintenance mode 12)
(Not required after replacement of the touch panel)
Check the LCD operation, referring to
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
"Operational Check of Keys on Control Panel."
Chapter 5, Section 1.3.31 "Adjustment of Touch
Chapter 5, Section 1.3.7 "Operational Check of
4-19
Chapter 5, Section 1.3.8
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