2-34
Confidential
4.5
Troubleshooting for Control Panel Problems
4.5.1 Nothing is displayed on the LCD
4.5.2 Control panel is inoperable
<User Check>
- Check that the AC power cord is connected correctly.
Step
Cause
Remedy
1
AC power cord failure
Replace the AC power cord.
2
Connection failure of the key PCB
harness
Reconnect the key PCB harness.
3
Connection failure of the panel PCB
harness
Reconnect the panel PCB harness.
4
Connection failure of the LCD flat
cable
Reconnect the LCD flat cable.
5
Connection failure of the top cover
sensor harness
Reconnect the top cover sensor harness.
6
Top cover sensor failure
Replace the top cover sensor ASSY.
7
Key PCB failure
Replace the key PCB ASSY.
8
Power supply PCB failure
Replace the power supply PCB ASSY.
9
Main PCB failure
Replace the main PCB ASSY.
<User Check>
- Check that the function lock is not set.
Step
Cause
Remedy
1
Key PCB attachment failure
Reattach the key PCB.
2
Connection failure of the key PCB
harness
Reconnect the key PCB harness.
3
Connection failure of the front cover
sensor harness
Reconnect the front cover sensor harness.
4
Front cover sensor failure
Replace the front cover sensor ASSY.
5
Rubber key failure
Replace the rubber key.
6
Key PCB failure
Replace the key PCB ASSY.
7
Power supply PCB failure
Replace the power supply PCB ASSY.
8
Main PCB failure
Replace the main PCB ASSY.
Summary of Contents for ADS-2600W
Page 18: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Page 24: ...Confidential CHAPTER 2 TROUBLESHOOTING ...
Page 30: ...2 4 Confidential 2 2 Paper Feeding Fig 2 2 Feed path ...
Page 64: ...Confidential CHAPTER 3 DISASSEMBLY REASSEMBLY ...
Page 68: ...3 2 Confidential 2 PACKING ...
Page 110: ...Confidential CHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT ...
Page 128: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Page 148: ...Confidential CHAPTER 6 WIRING DIAGRAM ...
Page 150: ...6 1 Confidential 1 WIRING DIAGRAM ...
Page 151: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Page 152: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE CONTENTS 1 PERIODICAL MAINTENANCE PARTS 7 1 ...
Page 154: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Page 158: ...Confidential APPENDIX 3 INSTALLING MAINTENANCE DRIVER ...