Oce OP33 Reference Manual page 141

With this function you can return the common settings to their defaults (initial settings).
1
Initialize Common Settings
2
3
3
3-30 Setting Specifications That Are Common to Each Function (Common Settings)
Call up the desired screen as follows:
(Additional Functions)
Select "Yes."
The screen shown below is displayed for about two seconds.
Press "Done."
The specified mode is set and the display returns to the Basic Features screen.