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CHAPTER 4 DISASSEMBLY/REASSEMBLY AND LUBRICATION
CONTENTS
4.1
DISASSEMBLY/REASSEMBLY......................................................................................4-1
Safety Precautions........................................................................................................4-1
Tightening Torque List......................................................................................................4-2
Preparation ...................................................................................................................4-4
How to Access the Object Component .........................................................................4-4
Disassembly Order Flow...............................................................................................4-5
4.1.1
ADF Cover and Document Guide Base ...............................................................4-6
4.1.2
ADF Components on the Upper ADF Chute ........................................................4-7
4.1.3
ADF Components on the Lower ADF Chute ......................................................4-12
4.1.4
Document Tray Open Sensor and Document Stopper ......................................4-17
4.1.5
Scanner Unit and Control Panel ASSY (Together with Document Tray) ...........4-18
4.1.6
Disassembly of the Control Panel ASSY............................................................4-25
4.1.7
Disassembly of the Scanner Unit .......................................................................4-26
4.1.8
Front Cover ........................................................................................................4-31
4.1.9
Relay PCB ..........................................................................................................4-32
4.1.10 Scanner Mount ...................................................................................................4-33
4.1.11 Board Access Cover and Auto Sheet Feeder (ASF)..........................................4-34
4.1.12 Heat-fixing Unit, FU Lamp, and Paper Ejection Sensor Actuator.......................4-40
4.1.13 Laser Unit and Toner Sensor PCB.....................................................................4-42
4.1.14 Main PCB ...........................................................................................................4-43
4.1.15 Bottom Plate.......................................................................................................4-46
4.1.16 Low-voltage Power Supply PCB.........................................................................4-47
4.1.17 High-voltage Power Supply PCB........................................................................4-48
4.1.18 Main-Fan PCB, Duct, and Fan ...........................................................................4-49
4.1.19 Power Supply Shield ..........................................................................................4-50
4.1.20 Speaker ..............................................................................................................4-51
4.1.21 Gear Drive Unit...................................................................................................4-52
Summary of Contents for DCP-1000
Page 1: ...Multi Function Machine SERVICE MANUAL MODEL MFC6800 DCP1000 MFC9180 MFC9160 ...
Page 5: ...CHAPTER 1 GENERAL DESCRIPTION ...
Page 12: ...CHAPTER 2 INSTALLATION ...
Page 17: ...CHAPTER 3 THEORY OF OPERATION ...
Page 19: ...3 1 3 1 OVERVIEW Provided on models supporting facsimile function ...
Page 21: ...3 3 ...
Page 29: ...3 11 Location of Sensors and Actuators ...
Page 31: ...CHAPTER 4 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 38: ...4 5 n Disassembly Order Flow ...
Page 70: ...4 37 6 Turn the ASF upside down then remove the registration sensor actuator ...
Page 78: ...4 45 Setting up the main PCB after replacement ...
Page 104: ...CHAPTER 5 MAINTENANCE MODE ...
Page 111: ...5 6 Scanning Compensation Data List ...
Page 119: ...5 13 For machines w fax For machines w o fax Key Button Entry Order ...
Page 126: ...CHAPTER 6 ERROR INDICATION AND TROUBLESHOOTING ...
Page 156: ...MFC6800 DCP1000 MFC9180 MFC9160 Appendix 1 EEPROM Customizing Codes ...
Page 159: ...MFC6800 DCP1000 MFC9180 MFC9160 Appendix 2 Firmware Switches WSW ...
Page 206: ...A Main PCB 1 5 ...
Page 207: ...A Main PCB 2 5 ...
Page 208: ...A Main PCB 3 5 ...
Page 209: ...A Main PCB 4 5 ...
Page 210: ...A Main PCB 5 5 ...
Page 211: ...B NCU PCB U S A Canada ...
Page 212: ...B NCU PCB U K Norway Netherlands Finland Denmark Sweden ...
Page 213: ...B NCU PCB Germany France Belgium Switzerland Ireland Austria Spain Italy South Africa ...
Page 214: ...B NCU PCB Asia Oceania 1 2 ...
Page 216: ...C Control Panel PCB ...
Page 217: ...D Power Supply PCB 100 120V Low voltage power supply ...
Page 218: ...D Power Supply PCB 200 240V Low voltage power supply Europe ...
Page 219: ...D Power Supply PCB 200 240V Low voltage power supply Asia Oceania ...
Page 220: ...D Power Supply PCB High voltage power supply ...
Page 221: ...E Relay PCB ...