Oce CS 5050 User Manual page 53

When you use this setting, keep in mind the following principles:
Reset the media counter to 0 to avoid confusion when not in use
The media counter does not decrease below 0
This setting is a machine setting and therefore activates each time you switch
on the printer, until you manually turn it off from the control panel menu
You cannot store this setting as a user setting
Printing options 53