2-112
Confidential
3.8 Others Problems
3.8.1 The printer is not turned ON, or the LCD indication does not appear
3.8.2 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 ASSY.
5
Inlet harness ASSY failure
Replace the inlet harness ASSY.
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 HL-4140CN
Page 19: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Page 29: ...Confidential CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING ...
Page 145: ...Confidential CHAPTER 3 DISASSEMBLY AND ASSEMBLY ...
Page 169: ...3 21 Confidential 8 DISASSEMBLY FLOW Disassembly Re Assembly second ...
Page 296: ...Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 311: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Page 336: ...5 23 Confidential Inter color position alignment adjustment chart Fig 5 8 ...
Page 343: ...5 30 Confidential Fig 5 11 ...
Page 345: ...5 32 Confidential Fig 5 12 First side Second side ...
Page 347: ...5 34 Confidential Color test pattern Fig 5 13 MCYK Y C K M YCMK_ _A ...
Page 354: ...5 41 Confidential Maintenance information Fig 5 14 ...
Page 382: ...Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Page 384: ...6 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram 1 3 ...
Page 385: ...6 2 Confidential High voltage Power Supply PCB Circuit Diagram 2 3 ...
Page 386: ...6 3 Confidential High voltage Power Supply PCB Circuit Diagram 3 3 ...
Page 387: ...6 4 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...
Page 388: ...6 5 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...
Page 389: ...6 6 Confidential 2 WIRING DIAGRAM Wiring Diagram ...
Page 390: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Page 424: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Page 428: ...Confidential APPENDIX 3 INSTALLING THE MAINTENANCE DRIVER ...
Page 432: ...App 3 4 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...