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11. Troubleshooting
Condition
The screen remains
turned on and the
machine does not enter
the sleep mode when
you press [Energy
Saving] (
).
The machine does not
shut down when more
than six minutes have
passed after you press
the main power switch.
The power of the
machine is turned off
automatically.
When the Machine Does Not Respond Correctly to an Operation from a
Computer
Condition
When using the address
book from Device
Manager NX, an
incorrect password error
is displayed even when
you enter the correct
login user name and
password.
372
Cause
The machine is in a
condition that does not
allow the machine to enter
the sleep mode.
The shutdown operation
could not be performed
normally.
[Main Power Off] is
specified in the weekly
timer.
Cause
A certificate is not installed
on the computer when
SSL/TLS is enabled on the
machine.
An item other than [Simple
Encryption] is specified in
[Extended Security Settings].
Solution and reference
Check the conditions in which the machine
does not enter the sleep mode.
page 19 "Turning On and Off the Power"
Press the main power switch again.
Check [Weekly Timer Easy Settings] and
[Weekly Timer Detailed Settings] on
[Settings]
[System Settings]
Time/Timer]
[Timer] .
Solution and reference
Install the certificate on the computer.
Consult your network administrator for the
certificate.
Specify [Simple Encryption] in "Driver
Encryption Key:Encryption Strength" in
[Settings]
[System Settings]
for Administrator]
[Security]
[Extended Security Settings].
[Date/
[Settings
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