04f9:03b5 — MFC-J6973CDW
Brother Industries, Ltd
- Vendor ID
- 04f9
- Product ID
- 03b5
- Combined
- 04f9:03b5
- Decimal
- 1273:949
What is this device?
This is the USB identifier for a MFC-J6973CDW manufactured by Brother Industries, Ltd. The vendor ID 04f9 is registered to Brother Industries, Ltd with the USB Implementers Forum, and 03b5 is the product ID that Brother Industries, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 04f9:03b5 Brother Industries, Ltd MFC-J6973CDW.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04f9:03b5 Brother Industries, Ltd MFC-J6973CDW
You can filter directly with lsusb -d 04f9:03b5, or get the full descriptor dump with lsusb -v -d 04f9:03b5. Kernel messages from dmesg show the same pair as idVendor=04f9, idProduct=03b5.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04F9&PID_03B5 USB\VID_04F9&PID_03B5&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04F9&PID_03B5"
macOS
$ system_profiler SPUSBDataType
MFC-J6973CDW:
Product ID: 0x03b5
Vendor ID: 0x04f9 (Brother Industries, Ltd)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
04f9 Brother Industries, Ltd 03b5 MFC-J6973CDW