There are cases where end users reported that their fingerprint scanner had mysteriously been damaged and was unable to scan properly.
This infographic will show you the step-by-step process of cleaning a fingerprint scanner device.
First, disconnect the unit from the power source. Clean the fingerprint capture area using a soft piece of cloth. Consider using a light blower, acetone or cotton swab along with ammonia and a soft cloth.
Source: https://www.bayometric.com/how-to-clean-your-fingerprint-scanner-device/
Embed This Image On Your Site (copy code below):
