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Home Q & A Maintenance issues on the fingerprint device
Dust on the scanner window will affect the recognition performance?

A small amount of dust will not cause problems, but the accumulation of dust can cause a lot of difficult to read the fingerprint image, and you should clean the scanner window.&nbsp;<SPAN> With double-sided adhesive tape pasted on the window, and then stripped to remove the dust on the mirror.</SPAN>

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