Oce CS620 User Manual page 255

Basic job settings
2
Position the original.
– The tray loaded with an appropriate paper size will be selected
automatically.
Or, a message will be prompt you that the appropriate size cannot
be found in any tray. In this case, load the paper of the size referred
in the message.
Reminder
Auto Paper Select may not function for the tray of selected size due to
the paper specifications registered for that tray.
Océ CS620/CS650 Pro
6
6-45