1. brother_MFC-L3765cdw_printer_win.EXE Driver
2. brpoc20a.inf File Contents

brpoc20a.inf Driver File Contents (brother_MFC-L3765cdw_printer_win.EXE)

;=======================================================================
;  Brother Port Setup File
;  Copyright (c)  2021 Brother Industries Ltd.
;  FileName   :   brpoc20a.inf
;  Function   :   Port Driver
;  I/F        :   USB
;  OS         :   Windows 7 / 8 / 8.1 / 10
;  Model      : MFC-L3720CDW series
;             : MFC-L3740CDW series
;             : MFC-L3760CDW series
;             : MFC-L8340CDW series
;             : MFC-L3780CDW series
;             : MFC-L8390CDW series
;             : MFC-L3755CDW series
;             : MFC-L3768CDW
=======================================================================

[Version]
Signature  = "$Windows NT$"
Class      = Ports
ClassGUID  = {4d36e978-e325-11ce-bfc1-08002be10318}
Provider   = Brother
DriverPackageType       = PlugAndPlay
DriverPackageDisplayName = "MFC-L3720CDW series, MFC-L3740CDW series, MFC-L3760CDW series, MFC-L8340CDW series, MFC-L3780CDW series, MFC-L8390CDW series, MFC-L3755CDW series, MFC-L3768CDW"
DriverVer   = 09/07/2023, 1.0.4.1
CatalogFile = brpoc20a.cat

; ========== Manufacturer/Models sections ===========

[Manufacturer]
Brother = BrDrv_WinUSB,NTx86.6.1,NTamd64.6.1

; Windows 7/8 or later 32bit
[BrDrv_WinUSB.NTx86.6.1]
"Brother MFC-L3720CDW" = USB_Install1009, USB\VID_04F9&PID_04FC&MI_02
"Brother MFC-L3740CDW" = USB_Install1009, USB\VID_04F9&PID_04FD&MI_02
"Brother MFC-L3760CDW" = USB_Install1009, USB\VID_04F9&PID_04FE&MI_02
"Brother MFC-L8340CDW" = USB_Install1009, USB\VID_04F9&PID_04FF&MI_02
"Brother MFC-L3780CDW" = USB_Install1009, USB\VID_04F9&PID_0500&MI_02
"Brother MFC-L8390CDW" = USB_Install1009, USB\VID_04F9&PID_0501&MI_02
"Brother MFC-L3755CDW" = USB_Install1009, USB\VID_04F9&PID_0516&MI_02
"Brother MFC-L3768CDW" = USB_Install1009, USB\VID_04F9&PID_051B&MI_02

; Windows 7/8 or later 64bit
[BrDrv_WinUSB.NTamd64.6.1]
"Brother MFC-L3720CDW" = USB_Install1009, USB\VID_04F9&PID_04FC&MI_02
"Brother MFC-L3740CDW" = USB_Install1009, USB\VID_04F9&PID_04FD&MI_02
"Brother MFC-L3760CDW" = USB_Install1009, USB\VID_04F9&PID_04FE&MI_02
"Brother MFC-L8340CDW" = USB_Install1009, USB\VID_04F9&PID_04FF&MI_02
"Brother MFC-L3780CDW" = USB_Install1009, USB\VID_04F9&PID_0500&MI_02
"Brother MFC-L8390CDW" = USB_Install1009, USB\VID_04F9&PID_0501&MI_02
"Brother MFC-L3755CDW" = USB_Install1009, USB\VID_04F9&PID_0516&MI_02
"Brother MFC-L3768CDW" = USB_Install1009, USB\VID_04F9&PID_051B&MI_02

; =================== Installation ===================

;[1']
[USB_Install1009]
Include=winusb.inf
Needs=WINUSB.NT
AddReg=USB_Install_Reg

;-----------------------------------------

[USB_Install_Reg]
HKR,,PortSubClassOther,1,01

;[2]
[USB_Install1009.Services]
Include=winusb.inf
AddService=WinUSB,0x00000002,WinUSB_ServiceInstall

;[3]
[WinUSB_ServiceInstall]
DisplayName     = %BrDrv_SvcDesc%
ServiceType     = 1
StartType       = 3
ErrorControl    = 1
ServiceBinary   = %12%\WinUSB.sys

;[4]
[USB_Install1009.Wdf]
KmdfService=WINUSB, WinUsb_Install1009

[WinUSB_Install1009]
KmdfLibraryVersion=1.9

;[5]
[USB_Install1009.HW]
AddReg=Dev_AddReg

[Dev_AddReg]
HKR,,DeviceInterfaceGUIDs,0x10000,"{1EA0A2DA-6162-41EA-861A-E840C3FFF0E2}"

;[6]
[USB_Install1009.CoInstallers]
AddReg=CoInstallers1009_AddReg
CopyFiles=CoInstallers1009_CopyFiles

[CoInstallers1009_AddReg]
HKR,,CoInstallers32,0x00010000,"WdfCoInstaller01009.dll,WdfCoInstaller","WinUSBCoInstaller2.dll"

[CoInstallers1009_CopyFiles]
WinUSBCoInstaller2.dll
WdfCoInstaller01009.dll

[DestinationDirs]
CoInstallers1009_CopyFiles=11
DefaultDestDir         = 12

; ================= Source Media Section =====================
;[7]

[SourceDisksNames]
1 = %DISK_NAME%,,,\x86
2 = %DISK_NAME%,,,\amd64

[SourceDisksFiles.x86]
WinUSBCoInstaller2.dll  = 1
WdfCoInstaller01009.dll = 1

[SourceDisksFiles.amd64]
WinUSBCoInstaller2.dll  = 2
WdfCoInstaller01009.dll = 2

; =================== Strings ===================

[Strings]
BrDrv_SvcDesc="Brother WinUSB Port Driver"
DISK_NAME="Install Disk"

How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

• Expand the archive file (if the download file is in zip or rar format).

• If the expanded file has an .exe extension, double click it and follow the installation instructions.

• Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

• Find the device and model you want to update in the device list.

• Double-click on it to open the Properties dialog box.

• From the Properties dialog box, select the Driver tab.

• Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.