| Reasons |
Resolution |
| 1.Didn’t enroll correctly. |
Refer to section 2.4.7 and enroll fingerprints again. |
| 2.Finger is too dry. |
Have a breath on the finger, and then press with some pressures. |
| 3.Have oil, smudginess and make up on the finger. |
Clean the finger. |
| 4.Fingerprint is not perfect, such as dry, break, molt and callus. |
Refer to section 2.4.7, changing the finger and enroll it again. |
| 5.Put the finger in a wrong position. |
Refer to section 2.4.7 |
| 6.The fingerprint collected window is dirty. |
Clean the glass surface of the collected window. |
| 7.The affection of the finger skin’s change |
Refer to section 2.4.7 and enroll it again. |
| 8.The collected window with the direct sunshine and strong light. |
Put the machine at the place where avoiding the direct sunshine and the strong light. |
| 9.Press with un-enrolled finger. |
Press with enrolled finger |