175
Utilities
Fingerprint Authentication Utility
Care and maintenance of your fingerprint reader
Failure to follow these guidelines and/or procedures might result in
damage to the reader or cause reader failure, finger recognition
problems, or lower finger recognition success rate.
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Do not scratch or poke the reader with your nails or any hard or
sharp objects.
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Do not press the reader with too much pressure.
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Do not touch the reader with a wet finger or any wet objects.
Keep reader surface dry and free of water vapor.
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Do not touch the reader with a soiled finger. Minute foreign
particles on a soiled or dirty finger may scratch the reader.
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Do not paste stickers or write on the reader.
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Do not touch the reader with a finger or any object with built-
up static electricity.
Observe the following before you swipe your finger on the reader,
whether for fingerprint enrollment/registration or recognition.
❖
Wash and dry your hands thoroughly.
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Remove static electricity from your fingers by touching any
metal surface. Static electricity is a common cause of reader
failures, especially during dry seasons such as winter.
❖
Clean the reader with a lint-free cloth. Do not use detergent to
clean the reader.
❖
Avoid the following finger conditions for enrollment or
recognition as they may result in fingerprint enrollment errors
or a drop in the fingerprint recognition success rate.
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Soaked or swollen finger (e.g., after taking bath)
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Injured finger
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Wet finger
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Soiled or oily finger
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Extremely dry skin condition on finger
Observe the following to improve the fingerprint recognition
success rate.
❖
Enroll two or more fingers.
❖
Enroll additional fingers if recognition failure occurs often
using enrolled fingers.