DCP-540CN
USB ID 04f9:01aa · Brother Industries, Ltd
| Vendor | Brother Industries, Ltd |
|---|---|
| Vendor ID | 04f9 |
| Device ID | 01aa |
| Windows hardware ID | USB\VID_04F9&PID_01AA |
| Linux modalias | usb:v04F9p01AA |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 04f9:01aa?
USB ID 04f9:01aa is “DCP-540CN” made by Brother Industries, Ltd (vendor ID 04f9, device ID 01aa).
Which Linux driver supports DCP-540CN?
Linux kernel 6.12 lists no driver for this exact ID. Most USB devices (keyboards, mice, storage, webcams, audio) still work through generic class drivers such as usbhid, usb-storage, uvcvideo or snd-usb-audio. Overview of device classes and their drivers
How do I check whether DCP-540CN is in my computer?
On Linux, lsusb -d 04f9:01aa shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_04F9&PID_01AA.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.