Brother MFC-7380

iv
Confidential
9.12.9 FFC Holder ASSY, Second Side CIS Flat Cable, ADF Motor .............................. 3-50
9.12.10First Side Document Scanning Position Sensor PCB ASSY, Second Side
Document Scanning Position Sensor PCB ASSY (Duplex scanning models only),
ADF Cover/Document Detection Sensor PCB ASSY ........................................... 3-55
9.13 Document Cover ASSY (For models without ADF) .......................................................... 3-56
9.14 Panel Unit (For models with touch panel) ......................................................................... 3-58
9.14.1 Panel Unit ............................................................................................................. 3-58
9.14.2 Panel PCB ASSY, LCD ........................................................................................ 3-59
9.14.3 Touch Panel ASSY ............................................................................................... 3-60
9.15 Panel Unit (For models without touch panel) .................................................................... 3-61
9.15.1 Panel Unit ............................................................................................................. 3-61
9.15.2 Panel PCB ASSY ................................................................................................. 3-62
9.15.3 LCD ...................................................................................................................... 3-63
9.16 First Side CIS Unit, First Side CIS Flat Cable ................................................................... 3-64
9.17 Lock Claw, Pull Arm Guide ............................................................................................... 3-70
9.18 Modem PCB ASSY ........................................................................................................... 3-71
9.19 Speaker Unit ..................................................................................................................... 3-73
9.20 Joint Cover ASSY ............................................................................................................. 3-74
9.21 Fuser Unit ......................................................................................................................... 3-75
9.22 Low-voltage Power Supply PCB ASSY ............................................................................ 3-77
9.23 Fan ................................................................................................................................... 3-79
9.24 High-voltage Power Supply PCB ASSY ........................................................................... 3-80
9.25 Filter .................................................................................................................................. 3-82
9.26 Laser Unit ......................................................................................................................... 3-83
9.27 Wireless LAN PCB (Wireless network models only) ......................................................... 3-85
9.28 Roller Holder ASSY .......................................................................................................... 3-86
9.29 Main PCB ASSY .............................................................................................................
.. 3-87
9.30
T1 Clutch and Registration Clutch .................................................................................... 3-88
9.31 New Toner Sensor PCB ASSY ......................................................................................... 3-89
9.32 Main Frame L ASSY ......................................................................................................... 3-90
9.33 Main Motor ........................................................................................................................ 3-92
9.34 Fuser Gear 67R/40R ........................................................................................................ 3-94
9.35 Eject Sensor PCB ASSY .................................................................................................. 3-95
9.36 Registration Front/Rear Actuator Holder ASSY ................................................................ 3-97
CHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS
REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY ................................................................................. 4-1
1.1 Setting by Spec (Function code: 74) ................................................................................... 4-2
1.2 Installing Firmware
(Sub firmware, demo firmware, panel firmware, and main firmware) ................................. 4-2
1.2.1 Checking firmware version ..................................................................................... 4-2
1.2.2 Installing firmware .................................................................................................. 4-3
1.3 Initializing the EEPROM of the Main PCB ASSY (Function code: 01) ................................ 4-3