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2-84
Confidential
3.12 Other Troubleshooting
3.12.1 The machine is not turned ON or the LCD indication does not appear
3.12.2 Main fan does not rotate
3.12.3 The room temperature is high or low
Step
Cause
Remedy
1
AC cord failure
Replace the AC cord.
2
Connection failure of the panel PCB
harness
Reconnect the panel PCB harness.
3
Connection failure of the LCD
harness
Reconnect the LCD harness.
4
LCD failure
Replace the LCD.
5
Low voltage power supply PCB
ASSY failure
Replace the low voltage power supply PCB
ASSY.
6
Panel PCB failure
Replace the panel PCB ASSY.
7
High voltage power supply PCB
failure
Replace the high voltage power supply PCB
ASSY.
8
Main PCB failure
Replace the main PCB ASSY.
Step
Cause
Remedy
1
Connection failure of the main fan
harness
Reconnect the main fan harness.
2
Connection failure of the high
voltage power supply PCB harness
Reconnect the high voltage power supply
PCB harness.
3
Main fan failure
Replace the main fan.
4
High voltage power supply PCB
failure
Replace the high voltage power supply PCB
ASSY.
5
Main PCB failure
Replace the main PCB ASSY.
<User Check>
- Adjust the room temperature to 10°C to 30°C.
- Check that the exhaust opening is not blocked.
Step
Cause
Remedy
1
Internal temperature thermistor
failure
Replace the internal temperature
thermistor.
2
Main PCB failure
Replace the main PCB ASSY.
Содержание FAX-2950
Страница 20: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Страница 35: ...Confidential CHAPTER 2 TROUBLESHOOTING ...
Страница 45: ...2 8 Confidential 2 2 2 Scanning part Fig 2 4 ...
Страница 122: ...Confidential CHAPTER 3 DISASSEMBLY REASSEMBLY ...
Страница 130: ...3 6 Confidential 5 LUBRICATION There are no applicable parts for lubrication ...
Страница 136: ...3 12 Confidential 3 New toner sensor PCB ASSY New toner sensor PCB ASSY Main PCB ASSY Guide ...
Страница 140: ...3 16 Confidential 8 Main fan High voltage power supply PCB ASSY Guide Main fan Tape Hole of guide Hole of guide ...
Страница 143: ...3 19 Confidential 12 Speaker unit Guide Speaker harness Guide Guides Guides Speaker unit Main PCB ASSY ...
Страница 153: ...3 29 Confidential 9 3 Cord hook 1 Turn the two cord hooks and then remove them from the machine Fig 3 12 Cord hooks ...
Страница 204: ...Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 217: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Страница 224: ...5 5 Confidential Black and white color scanning Fig 5 1 ...
Страница 263: ...Confidential CHAPTER 6 WIRING DIAGRAM ...
Страница 266: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Страница 267: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE CONTENTS 1 PERIODICAL REPLACEMENT PARTS 7 1 ...
Страница 268: ...7 1 Confidential 1 PERIODICAL REPLACEMENT PARTS There are no parts to be replaced periodically ...
Страница 269: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Страница 273: ...Confidential APPENDIX 3 INSTALLING MAINTENANCE DRIVER ...
Страница 275: ...Confidential APPENDIX 4 HOW TO MAKE PROTECTIVE MATERIAL FOR DRUM UNIT ...