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Home Q & A Maintenance issues on the fingerprint device
Some of my window dirty scanner lens, scanner performance, how this will affect?

After a long use, the scanner window coating will become somewhat dirty unclear, because sweat on the fingers and the accumulation of salt residues in the results. Use a soft cloth dip with appropriate amino wipe the window glass cleaner can, please do not dump the glass cleaner directly on the lens in the window.

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