ZKTeco F18I User Manual page 12

1. Operating Instruction
If device says "Error ID", that means you input ID number is wrong, please
return Step 1 for the second operation.
Password Matching

Step 1: Input User ID of employee to be verified on initial interface.
Then press OK.
Step 2: If it says that the enroll number is wrong, it means that there is
no such number or the employee does not enroll password.
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