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11. Troubleshooting
When Other Messages Appear
• When confirming or changing the settings in [Settings], press [Home] (
Message
"Administrator
Authentication for
User Management
must be set to on
before this selection
can be made."
"Destination list /
machine settings are
updated. Selected
destinations or
function settings have
been cleared. Please
re-select the settings."
"Failed to read the
PDF file."
"Firmware update will
start. Press [OK]. It will
start automatically
after 30 seconds."
428
Cause
The User
When specifying Basic, Windows, or LDAP
Management
authentication, configure the User Management
privilege is disabled
privilege in [Settings]
in the administrator
[Settings for Administrator]
authentication
Charge]
management.
Authentication/App Auth.]
Authentication Management].
"Registering Administrators Before Using the
Machine", Security
A destination is being
Wait until the message disappears and do not turn
registered and
off the power of the machine. You may not be able
devices are being
to perform operations for a while depending on the
configured using
number of destinations being registered.
Web Image Monitor.
The user attempted to
The Web browser of the machine supports the PDF
display a PDF file that
versions and encryption levels shown below. Other
is not supported by
PDF files cannot be displayed.
the Web browser of
the machine.
A firmware update is
It is recommended to apply the update, but you can
available, and the
stop the updating process by pressing [Stop] within
machine is about to
30 seconds after the message is displayed.
perform an update.
Do not turn off the power of the machine while the
updating process is in progress.
Solution and reference
[System Settings]
[Administrator Authentication/User
• PDF version: 1.3-1.7
• PDF encryption level: 128-bit AES, 256-bit
AES
) after closing [Settings].
[Authentication/
[Administrator
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