Denso QK20-R User Manual page 20

Connecting the USB device and installing the USB driver
Windows XP
(1) Connect the scanner's USB interface cable to the computer or USB hub.
(2) Wait for the "Found New Hardware" to appear on the
Windows task tray.
(3) Wait for Found New Hardware wizard to start, select "No,
not this time," then click Next.
(4) Select "Install the software automatically
(Recommended)" and click Next.
(5) Wait for the wizard to start searching for the USB driver.
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