04f9:01a2 — MFC-8640D
Brother Industries, Ltd
- Vendor ID
- 04f9
- Product ID
- 01a2
- Combined
- 04f9:01a2
- Decimal
- 1273:418
What is this device?
This is the USB identifier for a MFC-8640D manufactured by Brother Industries, Ltd. The vendor ID 04f9 is registered to Brother Industries, Ltd with the USB Implementers Forum, and 01a2 is the product ID that Brother Industries, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 04f9:01a2 Brother Industries, Ltd MFC-8640D.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04f9:01a2 Brother Industries, Ltd MFC-8640D
You can filter directly with lsusb -d 04f9:01a2, or get the full descriptor dump with lsusb -v -d 04f9:01a2. Kernel messages from dmesg show the same pair as idVendor=04f9, idProduct=01a2.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04F9&PID_01A2 USB\VID_04F9&PID_01A2&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04F9&PID_01A2"
macOS
$ system_profiler SPUSBDataType
MFC-8640D:
Product ID: 0x01a2
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 01a2 MFC-8640D