Konica Minolta bizhub C550 - Manual (Page 322)

Specifying Utility mode parameters 7
C550 7-25
ID & Print Delete Time
Specify the length of time until documents are deleted from the ID & Print
User Box after they are saved.
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Detail
[ID & Print Delete Time] appears if user authentication settings have been
specified.
1
Touch [5 ID & Print Delete Time] in the User Box Settings screen.
2
To automatically delete the documents, touch [Yes], and then select
the time period.