4.System Maintenance
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If the procedure is not followed as instructed in the release notes, you may have to reinstall the
system software and the patch(es).
Enabling the System Updates
With the "System Updates" feature, the following things are possible.
1. Patches are downloaded and applied to the controller automatically at the scheduled date and time
when the controller is connected to the internet.
2. The controller checks for and downloads only the items that have not been applied yet. (There is
no need to manually search for unapplied patches.)
3. This feature automatically checks for prerequisite patches. (There is no need to determine the
patch installation order.)
Notes and limitations:
1. The default setting is disabled.
The feature can be enabled from the Configure menu by the site administrator.
2. System Updates works only periodically on a schedule basis, for example, every day or every
week, and works silently in the background (full automatic).
3. Time can be set on an hourly basis only.
It is not possible to set the feature to work immediately.
4. For the following reasons, it is recommended to schedule the updates when the controller will not
be in use, for example, at midnight and during weekends.
During the installation process, the controller will be automatically rebooted one or more
time(s).
Printing/scanning is not possible during System Updates.
There are no notifications of start and completion of System Updates.
If the controller is rebooted manually by a user during System Updates, the system software
may corrupt.
5. There is no method to check the System Updates results.
6. If "Start page" is set to ON, the page will be printed when the controller is started by the user.
However, it will also be printed when the controller automatically reboots during System Updates.
7. Patch installations performed by System Updates are logged in the Job Log as below.
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