Troubleshooting1. Check if there is any dust on the touch sensor, and clean thesensor with soft towel or paper.2. If the area of the finger touching the screen is large,sensitivity may drop. Use your fingertip when touching thescreen.3. Scratches or damage to the touch sensor may result inmalfunctioning. Check for scratches or damage to the touchscreen.4. Adjust the sensitivity of the touch screen by selecting“Initialization” Æ “Calibration”.The device is designed to respond when your finger is removed fromthe touch screen. If the position where the finger was placed isdifferent from the position where the finger was removed, the touchfunction may not work properly1. If the terminal uses 1:N authentication in network mode,server overload may occur, resulting in slow authenticationand recognition. In this case, a dedicated server should beused.2. Check if the finger and the sensor are clean. Clean the fingerand the sensor. If the user’s finger is hurt, the user mustregister another fingerprint.3. If the fingerprint is not clean, lower the security level of theuser and use the 1:1 authentication method.Input the user’s ID in 1:1 mode and check if the user exists.