04f9:209c — QL-810W Label Printer

Brother Industries, Ltd

Vendor ID: 04f9
Product ID: 209c
Combined: 04f9:209c
Decimal: 1273:8348

What is this device?

This is the USB identifier for a QL-810W Label Printer manufactured by Brother Industries, Ltd. The vendor ID 04f9 is registered to Brother Industries, Ltd with the USB Implementers Forum, and 209c is the product ID that Brother Industries, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 04f9:209c Brother Industries, Ltd QL-810W Label Printer.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04f9:209c Brother Industries, Ltd QL-810W Label Printer

You can filter directly with lsusb -d 04f9:209c, or get the full descriptor dump with lsusb -v -d 04f9:209c. Kernel messages from dmesg show the same pair as idVendor=04f9, idProduct=209c.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_04F9&PID_209C
USB\VID_04F9&PID_209C&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04F9&PID_209C"

macOS

$ system_profiler SPUSBDataType
    QL-810W Label Printer:
      Product ID: 0x209c
      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
	209c  QL-810W Label Printer

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