Introduction To Fingerprint Recognition Technology - ZKTeco F18 User Manual

1.2 Introduction to Fingerprint Recognition technology

Enroll fingerprint by pressing index finger, middle finger or ring finger .
Proper press:
Improper press:
Upright
Slant
Please adopt the correct way to place the finger to avoid improper
operation led to the identification performance degradation.
F18 User Manual V1.0
Make finger center pressed
on the sensor window
Too lean
Too downward
- 2 -