04b8:0402 PhotoPC 850z

Seiko Epson Corp.

Vendor ID
04b8
Product ID
0402
Combined
04b8:0402
Decimal
1208:1026

What is this device?

This is the USB identifier for a PhotoPC 850z manufactured by Seiko Epson Corp.. The vendor ID 04b8 is registered to Seiko Epson Corp. with the USB Implementers Forum, and 0402 is the product ID that Seiko Epson Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04b8:0402 Seiko Epson Corp. PhotoPC 850z.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04b8:0402 Seiko Epson Corp. PhotoPC 850z

You can filter directly with lsusb -d 04b8:0402, or get the full descriptor dump with lsusb -v -d 04b8:0402. Kernel messages from dmesg show the same pair as idVendor=04b8, idProduct=0402.

Windows

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

USB\VID_04B8&PID_0402
USB\VID_04B8&PID_0402&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04B8&PID_0402"

macOS

$ system_profiler SPUSBDataType
    PhotoPC 850z:
      Product ID: 0x0402
      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.
	0402  PhotoPC 850z

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