L-4733A/L-4733AW/L-4533A/L-4533AW/L-4033A/L-4033AW Printer Driver Guide Various Print Settings C Start the Spot Color Support Tool. Windows 11/Windows 10: Click the start button, and then select All apps - Epson Software - Spot Color Support Tool . Windows 7: Click the start button, and then select All Programs - Epson Software - SurePress - L-XXXX (the name of the press you are using) - Spot Color Support Tool . D Click Detect Unused RGB Value . 30