Lenovo ThinkPad E555 User Manual page 75

Swiping your finger over the fingerprint reader
To swipe your finger over the reader, do the following:
1. Place the top joint of your finger on the sensor.
2. Apply light pressure and swipe your finger toward you across the reader in one smooth motion. Do not
lift your finger when you are swiping it.
Maintaining the fingerprint reader
The following actions could damage the fingerprint reader or cause it not to work properly:
• Scratching the surface of the reader with a hard, pointed object.
• Scraping the surface of the reader with your fingernail or anything hard.
• Using or touching the reader with a dirty finger.
If you notice any of the following conditions, gently clean the surface of the reader with a dry, soft, lint-free
cloth:
• The surface of the reader is dirty or stained.
• The surface of the reader is wet.
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Chapter 5 Security