Konica Minolta bizhub C550 - Manual (Page 364)

Various settings 9
C550 9-55
When “Confidental Document Access Method” is set to “Mode 2”
1
Press the [Box] key in this machine’s control panel, and then touch
[Use Document].
2
Select [System User Box], and touch [Secure Print User Box], and then
touch [OK].
3
Type in the ID for the secure print document, and then touch [OK].