Brother MFC-L2716DW - CHAPTER 5 SERVICE FUNCTIONS; 1. FUNCTION CODE ACCESS AND LISTING; 1.3 MAINTENANCE MODE FUNCTION DETAILS; 2. OTHER SERVICE FUNCTIONS

iv
Confidential
9.13.2 Panel PCB ASSY / NFC PCB ASSY / LCD .......................................................... 3-56
9.13.3 Touch panel ASSY ............................................................................................... 3-57
9.14 Panel unit (For Non-touch panel models) ......................................................................... 3-58
9.14.1 Panel unit ............................................................................................................. 3-58
9.14.2 Panel PCB ASSY ................................................................................................. 3-59
9.14.3 LCD ...................................................................................................................... 3-60
9.15 Panel flat cable / First side CIS unit / First side CIS flat cable ......................................... 3-61
9.16 Modem flat cable / Modem PCB ASSY ............................................................................ 3-68
9.17 Joint cover ASSY .............................................................................................................. 3-70
9.18 Fuser unit .......................................................................................................................... 3-71
9.19 Low-voltage power supply PCB ASSY ............................................................................. 3-73
9.20 New toner sensor PCB ASSY ........................................................................................... 3-75
9.21 HVPS flat cable / High-voltage power supply PCB ASSY ................................................ 3-76
9.22 Fan ................................................................................................................................... 3-78
9.23 Toner box relay PCB ASSY (For models with toner box)/
MP relay PCB ASSY (For MP models) /
Toner box new PCB ASSY (For models with toner box) .................................................. 3-79
9.24 Laser unit flat cable / Laser unit ........................................................................................ 3-81
9.25 Filter .................................................................................................................................. 3-83
9.26 Wireless LAN PCB (Only for wireless network models) ................................................... 3-84
9.27 Roller holder ASSY ........................................................................................................... 3-85
9.28 Main PCB ASSY ............................................................................................................... 3-86
9.29 T1 clutch / Registration clutch ........................................................................................... 3-87
9.30 Frame L unit ...................................................................................................................... 3-90
9.31 Paper feed motor / Paper feed motor flat cable ................................................................ 3-93
9.32 Fuser gear 64R/36R ......................................................................................................... 3-95
9.33 Toner sensor PCB ASSY (Only for models with Toner box) ............................................ 3-96
9.34 Front cover sensor ........................................................................................................
.... 3-97
9.35 Eject sensor PCB ASSY ................................................................................................... 3-98
9.36 Registration front/rear actuator holder ASSY ................................................................. 3-100
9.37 Paper feed roller ASSY / Paper feed sensor PCB ASSY ............................................... 3-103
CHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS
REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY ................................................................................. 4-1
1.1 Installing Firmware (Sub firmware and main firmware) ...................................................... 4-2
1.1.1 Checking firmware version ..................................................................................... 4-2
1.1.2 Installing firmware .................................................................................................. 4-3
1.2 Initializing the EEPROM of the Main PCB ASSY(Function code 01) .................................. 4-3
1.3 Setting by Spec, Setting Serial Number and Entering Adjusted Value of Laser Unit ......... 4-4
1.4 Adjusting Touch Panel (Function code 61)(Touch panel models only) .............................. 4-6
1.5 Acquiring White Level Data (Function code 55) ................................................................. 4-6