Specify the time to automatically delete files from the Secure Print User Box, from the date/time the files were saved.
When specifying the time in units of days, select [1 day], [2 days], [3 days], [7 days], or [30 days].
When specifying the time, tap [Time] and enter a value between five minutes and 12 hours (in increments of one minute).
To keep the files in the box, select [Save].
[1 day] is specified by default.