Sony VGN-SZ320P - VAIO SZ Series User Manual page 116

When swiping your finger across the fingerprint sensor, keep the following in mind:
Place your fingertip flat in the center of the fingerprint sensor.
Scan your fingerprint from the top joint of the finger to the fingertip.
Swipe your finger perpendicularly across the fingerprint sensor.
Keep your finger in contact with the fingerprint sensor while swiping.
Let the fingerprint sensor take about one second to scan your fingerprint.
It may be hard to enroll or recognize your fingerprint if your finger is:
dry or wet
wrinkled
injured
dirty
The soiled fingerprint sensor may cause poor recognition performance.
Wipe off the fingerprint sensor regularly with a soft cloth.
Use a lens cleaning cloth when the fingerprint sensor is extremely soiled.
Blow off dust with an air blower or a soft brush.
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Customizing Your VAIO Computer
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