04b8:0e03 — Thermal Receipt Printer [TM-T20]

Seiko Epson Corp.

Vendor ID: 04b8
Product ID: 0e03
Combined: 04b8:0e03
Decimal: 1208:3587

What is this device?

This is the USB identifier for a Thermal Receipt Printer [TM-T20] manufactured by Seiko Epson Corp.. The vendor ID 04b8 is registered to Seiko Epson Corp. with the USB Implementers Forum, and 0e03 is the product ID that Seiko Epson Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04b8:0e03 Seiko Epson Corp. Thermal Receipt Printer [TM-T20].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04b8:0e03 Seiko Epson Corp. Thermal Receipt Printer [TM-T20]

You can filter directly with lsusb -d 04b8:0e03, or get the full descriptor dump with lsusb -v -d 04b8:0e03. Kernel messages from dmesg show the same pair as idVendor=04b8, idProduct=0e03.

Windows

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

USB\VID_04B8&PID_0E03
USB\VID_04B8&PID_0E03&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04B8&PID_0E03"

macOS

$ system_profiler SPUSBDataType
    Thermal Receipt Printer [TM-T20]:
      Product ID: 0x0e03
      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.
	0e03  Thermal Receipt Printer [TM-T20]

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