I had exactly the same problem out of the blue today after updating the old printer driver files for my SAVIN C9025 and the solution given by karlespy above, i.e. accessing the color setting via the "Printer Properties" route and not directly via "Printer Preferences" got it to work... I have no idea why. (I'm running Windows 7 64 bit on 8 HP Z400 workstations).
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