0461:0381 — ReadyScan 636i Scanner
Primax Electronics, Ltd
- Vendor ID
- 0461
- Product ID
- 0381
- Combined
- 0461:0381
- Decimal
- 1121:897
What is this device?
This is the USB identifier for a ReadyScan 636i Scanner manufactured by Primax Electronics, Ltd. The vendor ID 0461 is registered to Primax Electronics, Ltd with the USB Implementers Forum, and 0381 is the product ID that Primax Electronics, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 0461:0381 Primax Electronics, Ltd ReadyScan 636i Scanner.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0461:0381 Primax Electronics, Ltd ReadyScan 636i Scanner
You can filter directly with lsusb -d 0461:0381, or get the full descriptor dump with lsusb -v -d 0461:0381. Kernel messages from dmesg show the same pair as idVendor=0461, idProduct=0381.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0461&PID_0381 USB\VID_0461&PID_0381&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0461&PID_0381"
macOS
$ system_profiler SPUSBDataType
ReadyScan 636i Scanner:
Product ID: 0x0381
Vendor ID: 0x0461 (Primax Electronics, Ltd)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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
0461 Primax Electronics, Ltd 0381 ReadyScan 636i Scanner