04f9:2042 — QL-700 Label Printer (Brother Industries, Ltd)

What is this device?

This is the USB identifier for a QL-700 Label Printer manufactured by Brother Industries, Ltd. The vendor ID 04f9 is registered to Brother Industries, Ltd with the USB Implementers Forum, and 2042 is the product ID that Brother Industries, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 04f9:2042 Brother Industries, Ltd QL-700 Label Printer.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04f9:2042 Brother Industries, Ltd QL-700 Label Printer

You can filter directly with lsusb -d 04f9:2042, or get the full descriptor dump with lsusb -v -d 04f9:2042. Kernel messages from dmesg show the same pair as idVendor=04f9, idProduct=2042.

Windows

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

USB\VID_04F9&PID_2042
USB\VID_04F9&PID_2042&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04F9&PID_2042"

macOS

$ system_profiler SPUSBDataType
    QL-700 Label Printer:
      Product ID: 0x2042
      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
	2042  QL-700 Label Printer

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