Troubleshooting - Konica Minolta magicolor 8650DN User Manual

Authentication unit (Biometric type AU-101)
14.7

Troubleshooting

If a problem occurs while running the system, refer to the following.
Condition
The USB cable is connected be-
tween this device and the machine,
but the status indicator is not lit in
green.
The USB cable is connected be-
tween this device and the computer,
but the status indicator is not lit in
green.
A tone does not sound from the ma-
chine when scanning begins and
when authentication is completed.
The message "Failed to Auth." ap-
pears on the machine.
The message "Failed to read data.
Place your finger once again and
click the [Start reading] button." ap-
pears on a computer where registra-
tion failed.
Scanning does not begin.
8650
Possible cause
The USB port of the machine may
be malfunctioning.
The USB port of the computer may
be malfunctioning.
Is the driver for this device correctly
installed?
Has the tone setting on the machine
been set to "OFF"?
With this device, the scanning time
is limited for each scan. This mes-
sage appears if scanning is not pos-
sible within the limited period of
time.
For details on the scanning time,
consult with your administrator.
With this device, the scanning time
is limited to five seconds for each
scan. This message appears if scan-
ning is not possible within the five-
second time period.
Is the finger correctly positioned?
Was the machine restarted after this
device was connected to it?
Remedy
Turn the machine off with the power
switch and temporarily disconnect the
USB cable from this device or the ma-
chine before connecting it again and
waiting 10 seconds before turning on
the machine with the power switch.
Restart the computer.
Refer to "Registering users", and
check if the driver is correctly installed
on the computer. (p. 14-9)
Refer to "Machine settings", and set
the tone setting to "ON". (p. 14-6)
Refer to "Positioning your finger" on
page 14-5 and check how to position
the finger for authentication and scan-
ning in order to complete scanning
within the limited period of time.
Correctly position the finger to be
scanned on the scanner, and do not
move the finger until the scanning re-
sults are received.
If the area of the finger to be scanned
is dirty or chapped, a correct image
cannot be created and scanning may
not be completed. Wash your hands
and try scanning again, or try to cor-
rect chapped fingers.
If the area of the finger to be scanned
is too wide or too thin (outside of the
finger width range of 3/8 (10 mm) to 1
(25 mm), a correct image cannot be
created and scanning may not be
completed. Try widening your finger
or inserting it deeper or less deep into
the scanner.
Refer to "Positioning your finger" on
page 14-5 and check how to position
the finger for authentication and scan-
ning.
Correctly position the finger to be
scanned on the scanner, and do not
move the finger until the scanning re-
sults are received.
If the area of the finger to be scanned
is dirty or chapped, a correct image
cannot be created and scanning may
not be completed. Wash your hands
and try scanning again, or try to cor-
rect chapped fingers.
If the area of the finger to be scanned
is too wide or too thin (outside of the
finger width range of 3/8 (10 mm) to 1
(25 mm), a correct image cannot be
created and scanning may not be
completed. Try widening your finger
or inserting it deeper or less deep into
the scanner.
Turn the machine off with the power
switch and temporarily disconnect the
USB cable from this device or the ma-
chine before connecting it again and
waiting 10 seconds before turning on
the machine with the power switch.
14
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