04b8:0820 — Stylus CX4100/CX4200/DX4200
Seiko Epson Corp.
- Vendor ID
- 04b8
- Product ID
- 0820
- Combined
- 04b8:0820
- Decimal
- 1208:2080
What is this device?
This is the USB identifier for a Stylus CX4100/CX4200/DX4200 manufactured by Seiko Epson Corp.. The vendor ID 04b8 is registered to Seiko Epson Corp. with the USB Implementers Forum, and 0820 is the product ID that Seiko Epson Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04b8:0820 Seiko Epson Corp. Stylus CX4100/CX4200/DX4200.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04b8:0820 Seiko Epson Corp. Stylus CX4100/CX4200/DX4200
You can filter directly with lsusb -d 04b8:0820, or get the full descriptor dump with lsusb -v -d 04b8:0820. Kernel messages from dmesg show the same pair as idVendor=04b8, idProduct=0820.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04B8&PID_0820 USB\VID_04B8&PID_0820&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04B8&PID_0820"
macOS
$ system_profiler SPUSBDataType
Stylus CX4100/CX4200/DX4200:
Product ID: 0x0820
Vendor ID: 0x04b8 (Seiko Epson Corp.)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. Seiko Epson Corp. official support →
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
04b8 Seiko Epson Corp. 0820 Stylus CX4100/CX4200/DX4200