04b8:084d — PX-402A [Stylus SX115/Stylus NX110 Series] (Seiko Epson Corp.)

What is this device?

This is the USB identifier for a PX-402A [Stylus SX115/Stylus NX110 Series] manufactured by Seiko Epson Corp.. The vendor ID 04b8 is registered to Seiko Epson Corp. with the USB Implementers Forum, and 084d is the product ID that Seiko Epson Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04b8:084d Seiko Epson Corp. PX-402A [Stylus SX115/Stylus NX110 Series].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04b8:084d Seiko Epson Corp. PX-402A [Stylus SX115/Stylus NX110 Series]

You can filter directly with lsusb -d 04b8:084d, or get the full descriptor dump with lsusb -v -d 04b8:084d. Kernel messages from dmesg show the same pair as idVendor=04b8, idProduct=084d.

Windows

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

USB\VID_04B8&PID_084D
USB\VID_04B8&PID_084D&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04B8&PID_084D"

macOS

$ system_profiler SPUSBDataType
    PX-402A [Stylus SX115/Stylus NX110 Series]:
      Product ID: 0x084d
      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.
	084d  PX-402A [Stylus SX115/Stylus NX110 Series]

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