The code can be W, S or X. W code means that you can use water to clean it, S code means water-free solvent, while X code means that you should not use neither water or water-free solvent. It means that you can only vacuum it. However, for code W and S, you still can vacuum it before doing the treatment. Second thing you can do is vacuum the microfiber couch to get rid of debris or dust. After that, you can brush the spot that is stained with dry brush slowly. After that, you can use liquid to clean the necessary stain after considering the code on the label of the couch. After that, you can high dryer it. Furniture & Furnishing.