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How to Place a Finger
Tips for different fingerprint conditions
ZKTeco’s fingerprint products are designed to verify fingerprints with highest security irrespective of the
conditions of the skin of the finger. However, in case a fingerprint is not read on the sensor, please refer to the
followings tips.
• If a finger is stained with sweat or water, scan after wiping moisture off.
• If a finger is covered with dust or impurities, scan after wiping them off.
• If a finger is way too dry, please blow some warm air from your mouth on the finger tip.
Tips for fingerprint enrollment
In fingerprint recognition, enrollment process is very important. When enrolling a fingerprint, please try to place the
finger correctly with utmost care.
In case of low acceptance ratio, the following actions are recommended.
• Delete the enrolled fingerprint and re-enroll the finger.
• Enroll the same fingerprint again.
• Try another finger if a finger is not easy to enroll due to scar or cuts.
In case of an enrolled fingerprint cannot be used due to injury or if the hand is full, it is recommended to enroll more
than two fingers per user.