You can recalculate the curves and/or DeviceLinks that ColorFlow has generated for a simulation.
- In the Color Setups viewer, in the PCO, click the Simulation icon 
.  - Click Redefine.
 - Select a new simulation target and simulation method.
 - If you only want to regenerate the DeviceLink, or if you don't want to update all the spot ink simulation curve channels, do the following:
- Click Details.
 - To only regenerate the DeviceLink, select the Process Ink Simulation check box, and then click the Simulation DeviceLink Only.
 - In the Spot Ink Simulation Update list table, select or clear the spot ink channels that you want or don't want to update.
 - Click OK.