Click Device Manager. If a User Account Control
window appears, click Allow.
Device Manager appears.
From the View menu, click Show hidden devices.
Search the list for Printers or Other devices, and
then double-click it.
The name of your machine or Unknown device appears below the selected
item. Click the name to select it.
From the Action menu, click Uninstall.
On the Confirm Device Uninstall window, click OK.
Close Device Manager.
Disconnect the USB cable from the computer, and
then restart Windows.
Follow the procedure in
"Uninstalling the Driver
(Windows
8.1)" and uninstall the driver.