In order to convert a colour image to black and white with the Saal Design Software, you must do the following:
Please, note that we strongly recommend that one of our RGB colour profiles is embedded in the image to avoid an unwanted outcome in the final product.
You can find more information here, where we show you how to set the same RGB values to avoid colour hues or casts.
If you are ordering products via the bulk orderer, for example, for Photo Prints, you can also convert the images to black and white: