7.2 Parts to Clean and Cleaning Method
fi-5000N Operator’s Guide 79
Daily Care
7
7.2 Parts to Clean and Cleaning Method
Part to clean Cleaning Method Remarks
Cover Wipe the Cover with a lint-free dry
cloth.
Fingerprint
Sensor
Wipe the Fingerprint Sensor gen-
tly with a dry lint-free cloth.
Do not splash any liquids or allow
the fi-5000N to get wet.
Do not use flammable solvents
such as benzine.
ATTENTION
Cleaning the Fingerprint Sensor
The sensor might not function correctly in the following situations. Clean the
sensor surface on a regular basis.
• Sensor surface is dirty with dust or any other dirt
• Sensor surface is wet.
• There are dew drops on the sensor surface.
Clean the fingerprint sensor when the following problems occurs. Cleaning
the sensor might solve such problems.
• The Display Message shows "Sensor surface not clean. Please wipe
sensor, and restart device".
• Although the finger is away from the sensor, the Display Message
keeps showing "Remove your finger from the sensor".
• Fingerprint registration failures and/or fingerprint identification failures
occur frequently.