Brother HL-2440 Service Manual page 7

8.21 FAN MOTOR 60 UNIT / COVER SENSOR HARNESS ASSY / TONER LED PCB ASSY ......... 3-44
8.21.1 FAN MOTOR 60 UNIT ......................................................................................... 3-44
8.21.2 COVER SENSOR HARNESS ASSY ................................................................... 3-45
8.21.3 TONER LED PCB ASSY ...................................................................................... 3-46
8.22 LVPS ................................................................................................................................ 3-48
8.22.1 PS PCB UNIT ....................................................................................................... 3-48
8.22.2 LV SHIELD PLATE 2 ............................................................................................ 3-50
8.23 REGISTRATION FRONT SENSOR PCB ASSY .............................................................. 3-51
8.24 REGISTRATION REAR SENSOR PCB ASSY ................................................................. 3-56
8.25 DRIVE SUB ASSY ............................................................................................................ 3-60
8.26 DEV JOINT / DEV GEAR JOINT/53R / REGISTRATION PENDULUM GEAR SPRING ........ 3-62
8.27 TONER SENSOR PCB UNIT ASSY ................................................................................. 3-63
8.28 REGISTRATION SOLENOID / T1 SOLENOID ................................................................ 3-64
8.28.1 REGISTRATION SOLENOID ............................................................................... 3-64
8.28.2 T1 SOLENOID ...................................................................................................... 3-66
8.29 MAIN SHIELD PLATE / EJECT SENSOR PCB ASSY ..................................................... 3-67
8.30 RUBBER FOOT ................................................................................................................ 3-71
8.31 MAIN FRAME L ASSY ...................................................................................................... 3-72
CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS,
REQUIRED AFTER PARTS REPLACEMENT .............................. 4-1
1. IF YOU REPLACE THE MAIN PCB ............................................................................................. 4-1
2. IF YOU REPLACE THE WIRELESS LAN PCB ......................................................................... 4-12
3. IF YOU REPLACE THE LASER UNIT ....................................................................................... 4-13
CHAPTER 5 SERVICE SUPPORT SOFTWARE ................................................ 5-1
1. CONTROL PANEL ...................................................................................................................... 5-1
1.1 List of service support functions ......................................................................................... 5-2
1.2 User Mode .......................................................................................................................... 5-3
1.3 Service Mode ...................................................................................................................... 5-5
2. OTHER SERVICE FUNCTIONS ................................................................................................ 5-16
2.1 User Maintenance Mode ................................................................................................... 5-16
CHAPTER 6 CIRCUIT DIAGRAMS, WIRING DIAGRAM ................................... 6-1
APPENDIX 1 SERIAL NUMBERING SYSTEM .......................................... App. 1-1
APPENDIX 2 SCREW CATALOGUE ......................................................... App. 2-1
APPENDIX 3 DELETION OF PERSONAL INFORMATION ....................... App. 3-1
APPENDIX 4 REFERENCES ...................................................................... App. 4-1
APPENDIX 5 GLOSSARY .......................................................................... App. 5-1
v
Confidential