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.
Содержание HL-4140CN
Страница 19: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Страница 29: ...Confidential CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 145: ...Confidential CHAPTER 3 DISASSEMBLY AND ASSEMBLY ...
Страница 155: ...3 7 Confidential PG1 5 MOLYKOTE PG 661 W 1 5 mm dia ball PG1 5 PG1 5 Front cover arm L Front cover arm R Front cover ...
Страница 169: ...3 21 Confidential 8 DISASSEMBLY FLOW Disassembly Re Assembly second ...
Страница 236: ...3 88 Confidential 3 Remove the Filter ASSY from the Eject duct Fig 3 111 Eject duct Filter ASSY ...
Страница 274: ...3 126 Confidential 3 Disconnect the Connector from the Waste toner sensor Fig 3 174 Waste toner sensor Connector ...
Страница 296: ...Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 311: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Страница 336: ...5 23 Confidential Inter color position alignment adjustment chart Fig 5 8 ...
Страница 343: ...5 30 Confidential Fig 5 11 ...
Страница 345: ...5 32 Confidential Fig 5 12 First side Second side ...
Страница 347: ...5 34 Confidential Color test pattern Fig 5 13 MCYK Y C K M YCMK_ _A ...
Страница 354: ...5 41 Confidential Maintenance information Fig 5 14 ...
Страница 382: ...Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Страница 384: ...6 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram 1 3 ...
Страница 385: ...6 2 Confidential High voltage Power Supply PCB Circuit Diagram 2 3 ...
Страница 386: ...6 3 Confidential High voltage Power Supply PCB Circuit Diagram 3 3 ...
Страница 387: ...6 4 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...
Страница 388: ...6 5 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...
Страница 389: ...6 6 Confidential 2 WIRING DIAGRAM Wiring Diagram ...
Страница 390: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Страница 424: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Страница 428: ...Confidential APPENDIX 3 INSTALLING THE MAINTENANCE DRIVER ...
Страница 432: ...App 3 4 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...