Yeah, they are the usual suspect when this happens. It somehow makes it hard for the scanner to get a good digital image of the fingerprint. A dry clean hand works best. Other times it may just be the fingers have worn so much with use/age that it is not as it was before.
Yeah, they are the usual suspect when this happens. It somehow makes it hard for the scanner to get a good digital image of the fingerprint. A dry clean hand works best. Other times it may just be the fingers have worn so much with use/age that it is not as it was before.