GU B-55600-13-4-6, Руководство по эксплуатации

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10. Maintenance
The system is basically maintenance-free.
The surface of the fingerprint scanner is more or less self-cleaning because
it is repeatedly used (for finger scannng). If the fingerprint scanner is still
soiled, clean it with a damp (not wet), non-scratching cloth. Cotton buds,
microfibre cloths and glasses cloths are suitable. All fabrics made of cotton,
paper towels, kitchen sponges and dishcloths are unsuitable; use clean
water without cleaning additives. Proceed carefully in the area of the sensor.
11. Disposal
The disused device must be disposed of as
electronic waste at special waste disposal sites.
Packaging must be disposed of separately.
NOTE