Oce VarioLink 2221 User Manual page 373

Various settings
Reminder
To apply any changes to settings for "Printer Name" or "Zone Name",
restart this machine (turn the main power off, then on again).
When turning the machine off, then on again with the main power switch,
wait about 10 seconds to turn the machine on after turning it off. The
machine may not operate correctly if it is turned on immediately after
being turned off.
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