Fingerprint has enrolled but often gets failure in identification
Reason1 - The fingerprint was not captured properly.
Solution1 - Enroll the finger again. Please refer to illustration of pressing finger.
Reason2 - Direct sun light or too bright light.
Solution2 - Avoid direct sun light or other bright light.
Reason3 - Too dry finger
Solution3 - Touch the forehead to increase oily level of the finger..
Reason4 - Too wet finger with oil or cream.
Solution4 - Clean fingers with towel.
Reason5 - Low fingerprint quality with callus or peeling.
Solution5 - Enroll other fingers with better quality.
Reason6 - Wrong way in placing fingers when punching in/out.
Solution6 - Please refer to illustration of pressing finger.
Reason7 - Latent fingerprint on the surface of sensor.
Solution7 - Clean sensor surface（adhesive tapes recommended）.
Reason8 - Not enough finger pressure.
Solution8 - Place the finger evenly on the sensor with moderate pressure.
Reason9 - Influence by fingerprint image change.
Solution9 - Enroll fingerprint again. Please refer to illustration of pressing finge.