Most of the unique, repeatable fingerprint information is located in the 'pad' of your finger, not in the 'tip'. Do not poke the window coating with your fingernail or any other.Never rub the window with an abrasive material, including paper.Do not pour any liquid directly on the reader window.Protect Against the Risk of Damage to Your Fingerprint Reader Gently dab the fingerprint reader window with a cloth that has beenĭampened with a mild ammonia-based glass cleaner, such as Windex. Performs optimally when kept clean! Cleaning DigitalPersona U.are.U ReadersĪpply the sticky side of a piece of adhesive cellophane tape to the The fingerprint reader, while tolerant of residues left on the Readability) or register and use one of their other fingers. Their forehead before touching the reader (skin oils aid in Slightly harder, hold their finger on the reader slightly longer, touch People with difficult-to-read fingerprints may wish to press Hand-sanitizers can dry out the skin, making fingerprints harder to read.

Hygiene - Frequent hand washing or use of.Environment - Extremely dry environments cause.Occupation - Manual laborers can sometimes wearĭown fingerprints on one or more fingers.Įthnicities have very faint fingerprints.Age - As people age, they lose collagen which.Please contact us if you needįingerprint scanning is affected by a variety of factors, some that can That some applications and development kits require specific versions

That are currently known to support this scanner. The DigitalPersona U.are.U 4500 Reader is compatible with many different softwareĭevelopment kits and applications.

(1) These operating systems are supported by Neurotechnology SDKs.ĭevice manufacturers may have different lists of supported operating DigitalPersona U.are.U 4500 Technical Specifications

Fingerprint digitalpersona