Confidential
3. IF YOU REPLACE THE HIGH-VOLTAGE POWER SUPPLY PCB ASSY4-7
4. IF YOU REPLACE THE LASER UNIT .......................................................4-8
5. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY .4-9
6. IF YOU REPLACE THE DRUM DRIVE MOTOR .....................................4-10
1. MAINTENANCE MODE..............................................................................5-1
1.1 How to Enter the Maintenance Mode ......................................................................... 5-1
1.2 How to Enter the End User-accessible Maintenance Mode ....................................... 5-1
1.3 List of Maintenance-mode Functions.......................................................................... 5-2
1.4 Detailed Description of Maintenance-mode Functions ............................................... 5-3
1.4.1 EEPROM parameter initialization (Function code 01, 91) ................................. 5-3
1.4.2 Monochrome image quality test pattern (Function code 09).............................. 5-4
1.4.3 Worker switch (WSW) setting and printout (Function code 10, 11) ................... 5-5
1.4.4 Operational check of LCD (Function code 12) .................................................. 5-8
1.4.5 Operational check of control panel button (Function code 13) .......................... 5-9
1.4.6 Software version check (Function code 25)..................................................... 5-10
1.4.7 “One Push Demo” setting (Function code 28) ................................................. 5-11
1.4.8 Operational check of sensors (Function code 32) ........................................... 5-12
1.4.9 LAN connection status display (Function code 33).......................................... 5-15
1.4.10 Printout of EEPROM log (Function code 40)................................................. 5-16
1.4.11 Not-disclosed-to-users functions (Function code 45)..................................... 5-17
1.4.12 Adjustment of inter-color position alignment (Function code 66)................... 5-21
1.4.13 Continuous print test (Function code 67)....................................................... 5-25
1.4.14 Laser unit test pattern print (Function code 68)............................................. 5-28
1.4.15 Frame pattern print (One-sided) (Function code 69) ..................................... 5-29
1.4.16 Frame pattern print (Two-sided) (Function code 70) ..................................... 5-31
1.4.17 Color test pattern (Function code 71) ............................................................ 5-33
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 ...