Confidential
9.8 Duplex Feed ASSY................................................................................................... 3-38
9.9 MP Cover ASSY/MP Paper Guide ASSY................................................................. 3-39
9.10 MP Link L/R ............................................................................................................ 3-42
9.11 Front Cover Arm L/R............................................................................................... 3-43
9.12 Front Cover Release Button/Front Cover Release Button Spring .......................... 3-47
9.13 Top Cover ASSY..................................................................................................... 3-49
9.14 Wireless LAN PCB ................................................................................................. 3-52
9.15 LCD ASSY.............................................................................................................. 3-53
9.16 Panel PCB ASSY ................................................................................................... 3-55
9.17 USB Host Relay PCB ASSY................................................................................... 3-56
9.18 Main PCB ASSY..................................................................................................... 3-58
9.19 Engine PCB ASSY ................................................................................................. 3-60
9.20 Laser Unit ............................................................................................................... 3-61
9.21 Develop Release Motor .......................................................................................... 3-64
9.22 Front Cover Sensor ................................................................................................ 3-65
9.23 Top Drive ASSY...................................................................................................... 3-66
9.24 Forced Develop Release Link ................................................................................ 3-71
9.25 Drum Drive Motor ................................................................................................... 3-72
9.26 Drum Position Sensor PCB ASSY.......................................................................... 3-75
9.27 Registration Solenoid ASSY................................................................................... 3-76
9.28 Develop Release Sensor PCB ASSY/Mono Solenoid ASSY ................................. 3-77
9.29 Fuser Develop Motor ASSY ................................................................................... 3-79
9.30 PF Plate ASSY/T1 Solenoid ASSY ........................................................................ 3-80
9.31 Toner/New Sensor PCB ASSY ............................................................................... 3-82
9.32 Internal Temperature Thermistor ............................................................................ 3-83
9.33 Fuser Fan ............................................................................................................... 3-84
9.34 Paper Eject ASSY .................................................................................................. 3-86
9.35 Filter ASSY ............................................................................................................. 3-87
9.36 Paper Eject Motor................................................................................................... 3-89
9.37 Back Cover Sensor ASSY ...................................................................................... 3-90
9.38 Power Fan .............................................................................................................. 3-91
9.39 Low-voltage Power Supply Unit.............................................................................. 3-93
9.40 Paper Eject Sensor PCB ASSY.............................................................................. 3-96
9.41 Low-voltage Power Supply PCB ASSY/Inlet Harness ASSY ................................. 3-97
9.42 Cleaner Pinch Roller Holder ................................................................................. 3-100
9.43 Registration Mark Sensor Holder ASSY/Shutter Solenoid ................................... 3-102
9.44 MP Paper Empty/Registration Front Sensor PCB ASSY ..................................... 3-105
9.45 PF ASSY .............................................................................................................. 3-113
9.46 T1 Registration Front/Rear Sensor PCB ASSY.................................................... 3-116
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 ...