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105
Troubleshooting (Advanced)
Touch Screen Operation
Cannot point the correct position using
the included stylus.
z
Perform the calibration (
Barcode Reader
Reading is not possible.
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Confirm that the barcode is readable (without damage, etc.).
z
Confirm the area for reading.
z
The distance from the reader to the barcode is important.
As a rule of thumb, a farther distance should be used for a larger symbol to
allow the LED light to cover the symbol. In addition, a closer distance should be
used for a thinner symbol.
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Be sure the barcode is not placed closer than necessary to the reader.
Fingerprint Reader
The sensor does not enroll or authenti-
cate my fingerprint.
z
Slide your finger correctly. For further information about enrollment and authen-
tication, refer to “How to Use the Fingerprint Reader” (
) and [Finger-
print Tutorial].
• Click (Start) - [All Programs] - [Protector Suite QL] - [Fingerprint Tutorial].
z
The sensor enrolls or authenticates no fingerprint, or performs authentication
poorly, despite the correct way of finger sliding when your finger is in any of the
conditions stated below:
• Rough skin, or injured finger (with a cut or a skin inflammation)
• Extremely dry
• Soiled with mud or oil
• Fingerprint has been worn and has faded
• Wet with water or sweat
<You can improve enrolling and authentication sensitivity by taking the follow-
ing steps when any of the conditions described above exists>
• Wash your hands or wipe them dry.
• Use a different finger for registration or authentication.
• Treat your finger with a hand cream when it is rough skin or dry.
z
Clean the fingerprint sensor. For further information, refer to “Handling & Main-
tenance” (
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The fingerprint sensor may be malfunctioning when it continues to perform
poorly after the steps described above have been performed. Contact
Panasonic Technical Support.