04b8:0855 — PX-602F [Stylus Office BX610FW/TX620FW Series] (Seiko Epson Corp.)

What is this device?

This is the USB identifier for a PX-602F [Stylus Office BX610FW/TX620FW Series] manufactured by Seiko Epson Corp.. The vendor ID 04b8 is registered to Seiko Epson Corp. with the USB Implementers Forum, and 0855 is the product ID that Seiko Epson Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04b8:0855 Seiko Epson Corp. PX-602F [Stylus Office BX610FW/TX620FW Series].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04b8:0855 Seiko Epson Corp. PX-602F [Stylus Office BX610FW/TX620FW Series]

You can filter directly with lsusb -d 04b8:0855, or get the full descriptor dump with lsusb -v -d 04b8:0855. Kernel messages from dmesg show the same pair as idVendor=04b8, idProduct=0855.

Windows

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

USB\VID_04B8&PID_0855
USB\VID_04B8&PID_0855&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04B8&PID_0855"

macOS

$ system_profiler SPUSBDataType
    PX-602F [Stylus Office BX610FW/TX620FW Series]:
      Product ID: 0x0855
      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.
	0855  PX-602F [Stylus Office BX610FW/TX620FW Series]

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