2-138
Confidential
3.13 Others Problems
3.13.1 The machine is not turned ON, or the LCD indication does not appear
3.13.2 The fan does not work (Error code 2B, EC)
Step
Cause
Remedy
1
AC cord failure
Replace the AC cord.
2
Harness connection failure of
panel PCB ASSY
Reconnect the panel PCB ASSY harness.
3
Harness connection failure of
LCD
Reconnect the LCD harness.
4
LCD failure
Replace the LCD unit.
5
Power switch holder failure
Replace the power switch holder.
6
Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
7
Panel PCB failure
Replace the panel PCB ASSY.
8
Engine PCB failure
Replace the engine PCB ASSY.
9
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
10
Main PCB failure
Replace the main PCB ASSY.
Step
Cause
Remedy
1
Harness connection failure of
the appropriate fan
Reconnect the harness of the appropriate fan
correctly.
2
Failure of the appropriate fan
Replace the appropriate fan.
3
Engine PCB failure
Replace the engine PCB ASSY.
4
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
5
Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
6
Main PCB failure
Replace the main PCB ASSY.
Summary of Contents for DCP-9055CDN
Page 21: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Page 36: ...Confidential CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING ...
Page 46: ...2 8 Confidential ADF part A4 model Fig 2 6 Left side Right side Document feed path Face up ...
Page 47: ...2 9 Confidential ADF part Legal model Fig 2 7 Left side Right side Document feed path Face up ...
Page 178: ...Confidential CHAPTER 3 DISASSEMBLY AND ASSEMBLY ...
Page 206: ...3 25 Confidential 8 DISASSEMBLY FLOW Disassembly Re Assembly second ...
Page 207: ...3 26 Confidential Disassembly Re Assembly second 5 ...
Page 381: ...Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 397: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Page 405: ...5 6 Confidential Black and white scanning First side Fig 5 1 ...
Page 406: ...5 7 Confidential Black and white scanning Second side Fig 5 2 ...
Page 407: ...5 8 Confidential Color scanning First side Fig 5 3 ...
Page 408: ...5 9 Confidential Color scanning Second side Fig 5 4 ...
Page 433: ...5 34 Confidential Cover page sample Fig 5 17 End page sample Fig 5 18 ...
Page 440: ...5 41 Confidential Inter color position alignment adjustment chart Fig 5 22 ...
Page 447: ...5 48 Confidential Fig 5 25 ...
Page 450: ...5 51 Confidential Color test pattern Fig 5 27 MCYK Y C K M YCMK_ _A ...
Page 470: ...Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Page 472: ...6 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram 1 3 ...
Page 473: ...6 2 Confidential High voltage Power Supply PCB Circuit Diagram 2 3 ...
Page 474: ...6 3 Confidential High voltage Power Supply PCB Circuit Diagram 3 3 ...
Page 475: ...6 4 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...
Page 476: ...6 5 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...
Page 477: ...6 6 Confidential NCU PCB Circuit Diagram U S A Canada ...
Page 478: ...6 7 Confidential NCU PCB Circuit Diagram Europe Oceania ...
Page 479: ...6 8 Confidential NCU PCB Circuit Diagram China Asia South Africa Gulf ...
Page 481: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Page 523: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Page 527: ...Confidential APPENDIX 3 INSTALLING THE MAINTENANCE DRIVER ...
Page 531: ...App 3 4 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...