ZKTeco – WL20 – How-To enroll a new fingerprint.
On the Home screen, select the Menu (M/OK)
It will then ask for admin verification. Start typing the User ID – 999999
and then Press M/OK
It will then ask for Password, type 1435 and Press M/OK.
Select User and Press M/OK.
Select Add User and Press M/OK.
Enter the clock code in the ID Field.
Select Enroll FP and Press M/OK.
Enroll the fingerprint 3 times until it shows Enrolled success.