Choose Tools > Print Production > Output Preview.
Choose Separations from the Preview menu.
Do any of the following:
To display a separation, select the empty box to the left of each separation name.
To hide a separation, deselect the check box.
To view all process or spot plates at once, select Process Plates or Spot Plates.
You may also want to:
Print color separations
Print Production
Previewing color separations in complete Help
Preparing color separations in complete Help