Canon MF8580Cdw User Manual page 226

The machine at purchase is set to delete secured documents 30 minutes after receiving them unless they are printed, but you can
change this setting.
1
Press .
2
Use / to select <System Management Settings>, and press
If the logon screen appears, enter the correct ID and PIN using numeric keys, and then press
Machine
3
Select <Secure Print Settings>, and press
4
Select <On>, and press
NOTE:
Disabling Secure Print
Select <Off>, press
5
Specify how long the machine holds secured documents, and press <Apply>.
Use / or the numeric keys to enter the time.
The secured document is erased from the memory of the machine when the time specified here elapses.
6
Restart the machine.
Turn OFF the machine, wait for at least 10 seconds, and turn it back ON.
LINKS
Preparing for Using Secure Print
Checking the Printing Status and Log
.
, and restart the machine.
.
.
. Logging on to the