Vuescan V9 x64 Washing color of cream art card to white. How to make it treat the artcard as a image not a document?

I am using Hamrick Software Vuescan V9 x64 on Windows 10 with a Canon LIDE 220 Scanner. I am trying to scan some prints on a light cream colored art card. The art card has some rather nice texture which I want to keep in the scan as well as the light Cream Colour. I have tried every combination of settings in Vuescan and no matter what I do Vuescan changes the card (after scanning) to white and loses the texture. The strange thing is while it is scanning, in the preview window, it sees the art card as I want it to be, light cream with the texture, but as soon as the scan is complete Vuescan ch

Question by Kenny on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.