Sharp MX-C400P Operation Manual page 134

Macintosh
(2) (1)
(1) Select [Job Handling].
(2) Select the retention setting.
Click the [Retention] checkbox
method in "Retention Settings". To simplify operation the
next time the same password is set, click the
button after entering the password (5 to 8 digit number).
2-55
PRINTING
. Select the retention
(lock)