Canon ScanFront 220 Guia de Configuração Página 129

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7-2
Chapter 7 Maintenance
1. Routine Cleaning
Clean the scanner on a regular basis, as described below, to maintain scanning performance.
CAUTION
When cleaning the scanner, do not spray water or detergent
directly on the scanner. Doing so may damage precision
mechanisms, such as the light source.
To clean the fingerprint sensor, use a dry commercially available
cotton swab or a dry cloth to wipe off any dirt. If a cloth containing
water or another liquid is used, the scanner may malfunction as a
result of liquid getting inside the scanner.
Never use thinner, alcohol, or other organic solvents to clean the
touch panel. Such solvents may deform, discolor, or melt the
touch panel, thus causing a malfunction.
Cleaning the Scanner Unit
To clean the surface of the scanner unit, use a cloth slightly
dampened with water and well wrung out, to remove any
dirt, and then use a clean, dry cloth to wipe the scanner.
Cleaning the Touch Panel
When cleaning the touch panel, use a soft, dry cloth to
gently wipe the surface of the panel without applying
pressure.
Cleaning the Fingerprint Sensor
(ScanFront 220P)
To clean the fingerprint sensor, use a soft, dry cloth to wipe
off any dirt.
IMPORTANT
The portion of the sensor where the fingers touch during
fingerprint authentication can get particularly dirty. A dirty
sensor may cause fingerprint authentication errors. Clean the
sensor and its surrounding area regularly, regardless of how
dirty they are.
Fingerprint Sensor
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