2-100
Confidential
4.6 Troubleshooting for Control Panel Problems
4.6.1 Nothing is displayed on the LCD
<User Check>
• Turn the power switch OFF and then back ON again.
• Unplug the AC cord and then plug it again.
4.6.2 Nothing is displayed on the LED
<User Check>
• Turn the power switch OFF and then back ON again.
4.6.3 Unable to perform panel operation
<User Check>
• Turn the power switch OFF and then back ON again.
Step
Cause
Remedy
1
Connection failure of the
panel flat cable
Reconnect the panel flat cable.
2
Connection failure of the low-
voltage power supply harness
Reconnect the low-voltage power supply
harness.
3
Connection failure of the LCD
flat cable
Reconnect the LCD flat cable.
4
AC cord failure
Replace the AC cord.
5
Panel flat cable failure
Replace the panel flat cable.
6
LCD failure
Replace the panel unit.
7
Panel PCB ASSY failure
Replace the panel PCB ASSY.
8
Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
9
Main PCB failure
Replace the main PCB ASSY.
Step
Cause
Remedy
1
Connection failure of the key
PCB flat cable
Reconnect the key PCB flat cable.
2
Panel flat cable failure
Replace the panel flat cable.
3
Key PCB failure
Replace the key PCB ASSY.
4
Main PCB failure
Replace the main PCB ASSY.
Step
Cause
Remedy
1
Connection failure of the panel
flat cable
Reconnect the panel flat cable.
2
Connection failure of the touch
panel flat cable
Reconnect the touch panel flat cable.
3
Connection failure of the key
PCB flat cable
Reconnect the key PCB flat cable.
4
Panel PCB failure
Replace the panel PCB ASSY.
5
Key PCB failure
Replace the key PCB ASSY.
6
Touch panel ASSY failure
Replace the panel unit.
7
Main PCB failure
Replace the main PCB ASSY.
Summary of Contents for DCP-2537DW
Page 50: ...2 10 Confidential MP models Fig 2 6 Feed from MP tray Eject to back side Back side Front side ...
Page 51: ...2 11 Confidential 2 2 2 Scanner part Fig 2 7 Document feed path ...
Page 300: ...5 28 Confidential Print adjustment test pattern Fig 5 11 ...
Page 311: ...5 39 Confidential Print pattern Fig 5 16 W 100 K 1 K 100 Total Lattice K 5 ...
Page 316: ...5 44 Confidential Test pattern Fig 5 19 ...
Page 332: ...5 60 Confidential ...